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MAX4588CWI+ |MAX4588CWIMAXIMN/a10avaiLow-Voltage, High-Isolation, Dual 4-Channel RF Video Multiplexer


MAX4588CWI+ ,Low-Voltage, High-Isolation, Dual 4-Channel RF Video MultiplexerApplicationsInterfaceRF Switching Automatic Test Equipment♦ >±2kV ESD Protection per Method 3015.7V ..
MAX4588EAI ,Low-Voltage, High-Isolation, Dual 4-Channel RF/Video MultiplexerFeaturesThe MAX4588 low-voltage, dual 4-channel multiplexer' Low Insertion Loss: -2.5dB up to 100MH ..
MAX458CPL ,8x4 Video Crosspoint Switches with BuffersFeatures' 100MHz Unity-Gain BandwidthThe MAX458/MAX459 are crosspoint switches with eight' 300V/µs ..
MAX458CQH ,8x4 Video Crosspoint Switches with BuffersBlock Diagram_________________Pin Configurations8 BUFFERED 8 x 4 4 75Ω

MAX4588CWI+
Low-Voltage, High-Isolation, Dual 4-Channel RF Video Multiplexer
General Description
The MAX4588 low-voltage, dual 4-channel multiplexer
is designed for RF and video signal processing at fre-
quencies up to 180MHz in 50Ωand 75Ωsystems. A
flexible digital interface allows control of on-chip func-
tions through either a parallel interface or an SPI™/
MICROWIRE™ serial port.
Each channel of the MAX4588 is designed using a “T”
switch configuration, ensuring excellent high-frequency
off-isolation. The MAX4588 has low on-resistance of
60Ωmax, with an on-resistance match across all chan-
nels of 4Ωmax. Additionally, on-resistance is flat
across the specified signal range (2Ωmax). The off-
leakage current is under 1nA at TA= +25°C, and less
than 10nA at TA= +85°C.
The MAX4588 operates from single +2.7V to +12V or
dual ±2.7V to ±6V supplies. When operating with a +5V
supply, the inputs maintain TTL- and CMOS-level com-
patibility. The MAX4588 is available in 28-pin narrow
DIP, wide SO, and space-saving SSOP packages.
Applications

RF SwitchingAutomatic Test Equipment
Video Signal RoutingNetworking
High-Speed Data Acquisition
Feature
Low Insertion Loss: -2.5dB up to 100MHzHigh Off-Isolation: -74dB at 10MHzLow Crosstalk: -70dB up to 10MHz16MHz -0.1dB Signal Bandwidth180MHz -3dB Signal Bandwidth60Ω(max) On-Resistance with ±5V Supplies4Ω(max) On-Resistance Matching with ±5V
Supplies
2Ω(max) On-Resistance Flatness with ±5V
Supplies
+2.7V to +12V Single Supply
±2.7V to ±6V Dual Supplies
Low Power Consumption: <20μWRail-to-Rail®, Bidirectional Signal HandlingParallel or SPI/MICROWIRE-Compatible Serial
Interface
>±2kV ESD Protection per Method 3015.7TTL/CMOS-Compatible Inputs with VL= +5Vw-Voltage, High-Isolation,
Dual 4-Channel RF/Video Multiplexe

COM2
NO5
GND
NO6
GND
A1/DIN
NO7
GND
NO8
SER/PAR
A0/DOUT
A2/SCLK
LE/CS
4/8
NO4
GND
NO3
GND
NO2
GND
NO1
COM1
GND
SSOP/SO/DIP

TOP VIEW
MAX4588
CONTROL
LOGIC
19-1425; Rev 0; 1/99
PARTTEMP. RANGEPIN-PACKAGE
Pin ConfigurationOrdering Information

MAX4588CPI0°C to +70°C28 Narrow Plastic DIP
MAX4588EAI
MAX4588EWI-40°C to +85°C
-40°C to +85°C28 SSOP
28 Wide SO
MAX4588EPI-40°C to +85°C28 Narrow Plastic DIP
SPI is a trademark of Motorola, Inc.
MICROWIREis a trademark of National Semiconductor Corp.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
MAX4588CAI0°C to +70°C28 SSOP
MAX4588CWI0°C to +70°C28 Wide SO
Low-Voltage, High-Isolation,
Dual 4-Channel RF/Video Multiplexer
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—Dual Supplies

(V+ = VL= +4.5V to +5.5V, V- = -4.5V to -5.5V, VINH= +2.4V, VINL= +0.8V, TA= TMINto TMAX, unless otherwise noted. Typical val-
ues are at TA= +25°C, V+ = VL= +5V, V- = -5V.) (Note 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
(Voltages referenced to GND)........................................................................-0.3V to +13.0V.......................-0.3V to (V+ + 0.3V) or 7V (whichever is lower)
V- ........................................................................-13.0V to +0.3V
V+ to V-................................................................-0.3V to +13.0V
VNO_, VCOM_(Note 1)..........................(V- - 0.3V) to (V+ + 0.3V)
4/8, RS, LE/CS, A2/SCLK, A1/DIN,
A0/DOUT, EN, SER/PARto GND...............-0.3V to (V+ + 0.3V)
Continuous Current into Any Terminal..............................±20mA
Peak Current into Any Terminal
(pulsed at 1ms, 10% duty cycle)..................................±40mA
ESD per Method 3015.7.......................................................±2kV
Continuous Power Dissipation (TA= +70°C)
SSOP (derate 9.52mW/°C above +70°C)....................762mW
Wide SO (derate 12.50mW/°C above +70°C)................1.00W
Plastic DIP (derate 14.29mW/°C above +70°C)............1.14W
Operating Temperature Ranges
MAX4588C_ I......................................................0°C to +70°C
MAX4588E_ I...................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
Note 1:
Voltages on these pins exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to maximum current
rating.
+25°CV+ = 5V, V- = -5V, VNO_= ±2V,
ICOM_= 4mA
C, E
+25°C
C, E
C, E
+25°C
C, E
+25°C
+25°C
V+ = 5.5V, V- = -5.5V,
VCOM_= ±4.5V, VNO_= –+4.5V
V+ = 5V, V- = 5V, VNO_= ±2V,
ICOM_= 4mA
C, E
V+ = 5V; V- = -5V; VNO_= 1V, 0, -1V;
ICOM_= 1mA
+25°C
CONDITIONS

V+ = 5.5V, V- = -5.5V, VCOM_= ±4.5V,
VNO_= ±4.5V or floating
C, E
V+ = 5.5V, V- = -5.5V,
VCOM_= ±4.5V, VNO_= –+4.5V
C, E
C, E
C, E
VIN_= 0 or VL-20.012ICOM_(ON)COM_ On-Leakage Current
(Note 6)
-2020nA-20.012ICOM_(OFF)COM_ Off-Leakage Current
(Note 6)
LOGIC OUTPUT (SERIAL-10.031IINInput Current 0.2Input Threshold Hysteresis
LOGIC INPUTS (Pins 112.41.7VINH4060RONOn-ResistanceV-V+VCOM_,
VNO
ANALOG SWITCH
Analog Signal Range
(Note 3)
Input Logic Threshold High1.50.8VINL
-1010nA-10.011INO_(OFF)NO_ Off-Leakage Current
(Note 6)314DRONOn-Resistance Match Between
Channels (Note 4)5
0.52.5RFLAT(ON)On-Resistance Flatness
(Note 5)
UNITSMINTYPMAXSYMBOLPARAMETER

Input Logic Threshold Low
C, E
C, E
ISOURCE= -1mA
ISINK= 3.2mAVL - 1VOH0.4VOLDOUT Logic Low Output
DOUT Logic High Output
ANALOG SWITCH
LOGIC INPUTS (4/8, RS, LE/CS, A2/SCLK, A1/DIN, A0/DOUT, EN, SER/PAR)
LOGIC OUTPUT (SERIAL INTERFACE)
w-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)

(V+ = VL= +4.5V to +5.5V, V- = -4.5V to -5.5V, VINH= +2.4V, VINL= +0.8V, TA= TMINto TMAX, unless otherwise noted. Typical val-
ues are at TA= +25°C, V+ = VL= +5V, V- = -5V.) (Note 2)
4-channel mode
8-channel mode
4-channel mode
8-channel mode
CONDITIONSUNITSMINTYPMAXSYMBOLPARAMETER

+25°C
+25°C
C, E
+25°C
C, E
+25°C
C, E
VNO_= 0, fIN= 1MHz, Figure 4
+25°C= 1.0nF, VNO_= 0, RS= 0,
Figure 3
VNO_= ±3V, V+ = 5.5V, V- = -5.5V,
Figure 2
VNO_= 3V, V+ = 4.5V, V- = -4.5V,
Figure 1
VNO_= 3V, V+ = 4.5V, V- = -4.5V,
Figure 1
+25°C
+25°C
VNO_= 1VRMS, f = 10MHz,
all channels off, Figure 5
VCOM_= 0, fIN= 1MHz, Figure 4
+25°C
VCOM_= 0, fIN= 1MHz, Figure 4
+25°C
+25°C
Figure 5
VNO_= 1VRMS, f = 10MHz, Figure 5
Figure 5
VISOOff-Isolation (Note 7)7CCOM_(ON)4CCOM_(OFF)COM_ Off-Capacitance
COM_ On-Capacitance
PARALLEL MODE INPUT TIM-MHz16BW-0.1dB Bandwidth -74-70VCTChannel-to-Channel Crosstalk
MHz180BW
SWITCH DYNAMIC CHARAC-
-3dB Bandwidth 1402CNO_(OFF)NO_ Off-Capacitance15QCharge Injection 10180tBBMBreak-Before-Make Time Delay
(Note 3)380550tONTurn-On Time600150300tOFFTurn-Off Time350
C, EFigure 6
C, E
C, E
C, E
C, E
C, E
C, E
Figure 7
C, E
Figure 7
Figure 7
Figure 6
Figure 6
Figure 6
C, E
C, E
Figure 7
Figure 7
Figure 7
C, E
C, E
C, E
Figure 7
Figure 7
Figure 750tCSS0CSFall to SCLK Rise Setup Time0tDH60tDSDIN to SCLK Rise Setup Time
DIN to SCLK Rise Hold Time0tCSH1CSRise to SCLK Rise Hold Time80tCSS1CSRise to SCLK Rise Setup
Time80tCSS180tDSA_, EN to LERise Setup TimeFall to SCLK Rise Hold Time80tCLSCLK Pulse Width Low80tCHSCLK Pulse Width High
MHz6.25fCLKOperating Frequency0tDHA_, EN to LERise Hold Time80tLLELow Pulse Width80tRSRSLow Pulse Width
SERIAL PERIPHERAL INTER-
C, EFigure 6ns80tRSRSLow Pulse Width
C, ECL= 50pF, Figure 7ns150tDOSCLK Rise to DOUT Valid
SERIAL-INTERFACE TIMING
PARALLEL-INTERFACE TIMING
SWITCH DYNAMIC CHARACTERISTICS
V+ = 5.5V
Low-Voltage, High-Isolation,
Dual 4-Channel RF/Video Multiplexer
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)

(V+ = VL= +4.5V to +5.5V, V- = -4.5V to -5.5V, VINH= +2.4V, VINL= +0.8V, TA= TMINto TMAX, unless otherwise noted. Typical val-
ues are at TA= +25°C, V+ = VL= +5V, V- = -5V.) (Note 2)CONDITIONSUNITSMINTYPMAXSYMBOLPARAMETER
2.7V+VLV±2.7±6V+, V-Power-Supply Range
POWER SUPPLY
+25°C
C, E
+25°C
V+ = 5.5V, V- = -5.5V
V+ = 5.5V, V- = -5.5V
C, E
C, EVL= 5.5V, all VIN_= 0 or VL-10.00011I-V - Supply Current
-1010μA-10.00011I+V+ Supply Current
-1010-10210ILVLSupply Current
ELECTRICAL CHARACTERISTICS—Single +5V Supply

(V+ = VL= +4.5V to +5.5V, V- = 0, VINH= +2.4V, VINL= +0.8V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA
= +25°C, V+ = VL= +5V.) (Note 2)
+25°CV+ = 5V, VNO_= 3V, ICOM_= 4mA
C, E
+25°C
C, E
C, E
+25°C
C, E
+25°C
+25°C
V+ = 5.5V; VCOM_= 4.5V, 1V;
VNO_= 1V, 4.5V
VNO_= 2V, 3V, 4V
V+ = 5V, VNO_= 3V, ICOM_= 4mA
C, E
V+ = 5V, ICOM_= 4mA,
+25°C
CONDITIONS

V+ = 5.5V; VCOM_= 4.5V, 1V;
VNO_= 4.5V, 1V, or floating
C, E
V+ = 5.5V; VCOM_= 4.5V, 1V;
VNO_= 1V, 4.5V
C, E
C, E
C, E
VIN= 0 or VL-20.0052ICOM_(ON)COM_ On Leakage Current
(Notes 6, 9)
-2020nA-20.0052ICOM(OFF)COM_ Off Leakage Current
(Notes 6, 9)
LOGIC OUTPUT (SERIAL-11IINInput Current 0.2Input Threshold Hysteresis
LOGIC INPUTS (Pins 11 through2.41.7VINH80120RONOn-Resistance0V+VCOM_,
VNO_
ANALOG SWITCH
Analog Signal Range (Note 3)
Input Logic Threshold High1.50.8VINL
-1010nA-10.0051INO_(OFF)NO_ Off Leakage Current
(Notes 6, 9)
15018DRONOn-Resistance Match Between
Channels (Note 4)10410RFLAT(ON)On-Resistance Flatness
(Note 5)
UNITSMINTYPMAXSYMBOLPARAMETER

Input Logic Threshold Low
C, E
C, E
ISOURCE= -1mA
ISINK= 3.2mAVL- 1VOH0.4VOLDOUT Logic Low Output
DOUT Logic High Output
POWER SUPPLY
ANALOG SWITCH
LOGIC INPUTS (4/8, RS, LE/CS, A2/SCLK, A1/DIN, A0/DOUT, EN, SER/PAR)
LOGIC OUTPUT (SERIAL INTERFACE)

V+ = 5V, ICOM_= 4mA,
VNO_= 2V, 3V, 4V
w-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer
ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)

(V+ = VL= +4.5V to +5.5V, V- = 0, VINH= +2.4V, VINL= +0.8V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA
= +25°C, V+ = VL= +5V.) (Note 2)CONDITIONS
4-channel mode
8-channel mode
4-channel mode
8-channel mode
UNITSMINTYPMAXSYMBOLPARAMETER

+25°C
+25°C
C, E
+25°C
C, E
+25°C
C, E
VNO_= 1VRMS, f = 10MHz,
all channels off, Figure 5= 1.0nF, VNO_= 2.5V, RS= 0,
Figure 3
VNO_= 3V, V+ = 5.5V, Figure 2
VNO_= 3V, V+ = 4.5V, Figure 1
VNO_= 3V, V+ = 4.5V, Figure 1
+25°C
+25°C
C, E
C, E
Figure 5
C, E
VNO_= 1VRMS, f = 10MHz, Figure 5
+25°C
C, E
Figure 6
Figure 6
Figure 6
Figure 5
Figure 6MHz100BW-70VCTChannel-to-Channel Crosstalk
-3dB Bandwidth 80tRSRSLow Pulse Width80tLLELow Pulse Width0tDHA_, EN to LERise Hold Time
MHz10BW-0.1dB Bandwidth 7
SWITCH DYNAMIC CHARAC-
PARALLEL MODE INPUT TIM-80tDS-65VISOOff-Isolation5QCharge Injection10200tBBMBreak-Before-Make Time Delay
(Note 3)550800tONTurn-On Time900150300tOFFTurn-Off Time350
A_, EN to LERise Setup Time
C, E
C, E
C, E
C, E
C, E
C, E
C, E
Figure 7
C, E
Figure 7
Figure 7
Figure 7
Figure 7
Figure 7
Figure 7
C, E= 50pF, Figure 7
Figure 7150tDOSCLK Rise to DOUT Valid80tCSS1CSRise to SCLK Rise Setup
Time
SERIAL PERIPHERAL INTER-0tCSH1CSRise to SCLK Rise Hold Time50tCSS0CSFall to SCLK Rise Setup Time0tDHDIN to SCLK Rise Hold Time
MHz6.25fCLKOperating Frequency80tCHSCLK Pulse Width High80tCLSCLK Pulse Width Low60tDSDIN to SCLK Rise Setup Time
C, EFigure 6ns80tRSRSLow Pulse Width
C, EFigure 7ns80tCSS1CSFall to SCLK Rise Hold Time
SWITCH DYNAMIC CHARACTERISTICS
PARALLEL-INTERFACE TIMING
SERIAL-INTERFACE TIMING
Low-Voltage, High-Isolation,
Dual 4-Channel RF/Video Multiplexer
ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)

(V+ = VL= +4.5V to +5.5V, V- = 0, VINH= +2.4V, VINL= +0.8V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA
= +25°C, V+ = VL= +5V.) (Note 2)CONDITIONSUNITSMINTYPMAXSYMBOLPARAMETER
C, E
C, E
+25°C= 5.5V, all VIN_= 0 or VL
V+ = 5.5V, VIN= 0 or VL
V+ ≤6.5V
V+ > 6.5V-10210ILVLSupply Current
-1010μA-11I+V+ Supply Current
POWER SUPPLY
2.712V+
Power-Supply Range2.7V+VL2.76.5
ELECTRICAL CHARACTERISTICS—Single +3V Supply

(V+ = VL= +2.7V to +3.6V, V- = 0, VINH= +2V, VINL= +0.5V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA=
+25°C, V+ = VL= +3.0V.)
+25°CV+ = 2.7V, VNO_= 1V,
ICOM_= 1mA
+25°C
C, E
C, E
C, E
C, E
VNO_= 1.5V, V+ = 2.7V, Figure 1
C, E
VIN_= 0 or VL
+25°C
C, E
CONDITIONS

C, E
VNO_= 1.5V, V+ = 2.7V, Figure 1
C, E
+25°C
C, E
Figure 6
Figure 6
VNO_= 1.5V, V+ = 3.6V, Figure 2
Figure 6
500ns250400tOFF
Turn-Off Time
SERIAL PERIPHERAL INTER-200tLLELow Pulse Width0tDHA_, EN to LERise Hold Time
Break-Before-Make Time Delay
(Note 3)ns10350tBBM240350RONOn-Resistance0V+VCOM_,
VNO_
ANALOG SWITCH
Analog Signal Range
PARALLEL MODE INPUT TIM-200tDS7001000tONTurn-On Time
SWITCH DYNAMIC CHARAC--11IINInput Current
LOGIC INPUT (Pins 11 through2.0VINHInput Logic Threshold High0.5VINLInput Logic Threshold Low
UNITSMINTYPMAXSYMBOLPARAMETER

A_, EN to LERise Setup Time
C, E
C, E
C, E
Figure 7
Figure 7
Figure 7
C, E
C, E
Figure 7
Figure 7200tCLSCLK Pulse Width Low200tCH
MHz2.1fCLKOperating Frequency
SCLK Pulse Width High100tDSDIN to SCLK Rise Setup Time0tDHDIN to SCLK Rise Hold Time
POWER SUPPLY

C, EFigure 6ns200tRSRSLow Pulse Width
C, EFigure 6ns200tRSRSLow Pulse Width
ANALOG SWITCH
LOGIC INPUTS (4/8, RS, LE/CS, A2/SCLK, A1/DIN, A0/DOUT, EN, SER/PAR)
SWITCH DYNAMIC CHARACTERISTICS
PARALLEL-INTERFACE TIMING
SERIAL-INTERFACE TIMING
w-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer
ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued)

(V+ = VL= +2.7V to +3.6V, V- = 0, VINH= +2V, VINL= +0.5V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA=
+25°C, V+ = VL= +3.0V.)CONDITIONSUNITSMINTYPMAXSYMBOLPARAMETER
C, E
C, E
C, E
C, E
C, E= 50pF, Figure 7
C, E
Figure 7
Figure 7
Figure 7
+25°C
Figure 7
V+ = 3.6V, VIN= 0 or VL
C, EVL= 3.6V, all VIN= 0 or VL
-1010μA-11I+
POWER SUPPLY
V+ Supply Current-10110ILVLSupply Current250tDOSCLK Rise to DOUT Valid200tCSS1CSFall to SCLK Rise Hold Time200tCSS1CSRise to SCLK Rise Setup
Time100tCSS0CSFall to SCLK Rise Setup Time0tCSH1CSRise to SCLK Rise Hold Time
Note 2:
The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 3:
Guaranteed by design.
Note 4:
ΔRON= ΔRON(MAX)- ΔRON(MIN).
Note 5:
Resistance flatness is defined as the difference between the maximum and the minimum value of on-resistance as
measured over the specified analog-signal range.
Note 6:
Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at TA= +25°C.
Note 7:
Off isolation = 20log10[VCOM_/ (VNC_or VNO_)], VCOM_= output, VNC_or VNO_= input to off switch.
Note 8:
Between any two switches.
Note 9:
Leakage testing for single-supply operation is guaranteed by testing with dual supplies.
POWER SUPPLY
Low-Voltage, High-Isolation,
Dual 4-Channel RF/Video Multiplexer
Typical Operating Characteristics

(V+ = VL= +5V, V- = -5V, TA= +25°C, unless otherwise noted.)
ON-RESISTANCE vs. VCOM
(DUAL SUPPLIES)
AX4588-01
VCOM (V)
(W
±2.5V
±3V
±4V
±5V
±6V
ON-RESISTANCE vs. VCOM
(SINGLE SUPPLY)
AX4588-02
VCOM (V)
(W
V+ = +2.5VV- = 0
V+ = +3.6V
V+ = +3.0V
V+ = +5V
V+ = +9V
V+ = +12V-3-2-1-4012435
ON-RESISTANCE vs. VCOM
AND TEMPERATURE (DUAL SUPPLIES)

X4588-03
VCOM (V)
(WTA = +85°C
TA = +50°C
TA = +25°C
TA = 0°C
TA = -40°C
ON-RESISTANCE vs. VCOM
AND TEMPERATURE (SINGLE SUPPLY)
X4588-04
VCOM (V)
(W
TA = +85°C
V- = 0
TA = +50°C
TA = +25°C
TA = 0°C
TA = -40°C
0.1p
10p
100p
10n
ON/OFF-LEAKAGE CURRENT
vs. TEMPERATURE
AX4588-05
TEMPERATURE (°C)
(A
ON-LEAKAGE
OFF-LEAKAGE-1-313-40-2245
CHARGE INJECTION vs. VCOM

AX4588-06
VCOM (V)
IN
(p
DUAL SUPPLIES
SINGLE SUPPLY
w-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer
100p
10p
10n
100n
10m
SUPPLY CURRENT vs. TEMPERATURE
TEMPERATURE (°C)
(A
100k1M10M100M1G
INSERTION LOSS, OFF-ISOLATION,
AND CROSSTALK vs. FREQUENCY
(DUAL SUPPLIES)

AX4588-10
FREQUENCY (Hz)
(d
ON LOSS
RS = 75W
RL = 600W
CROSSTALK
OFF-ISOLATION
100k1M10M100M1G
INSERTION LOSS, OFF-ISOLATION,
AND CROSSTALK vs. FREQUENCY
(SINGLE SUPPLY)

AX4588-11
FREQUENCY (Hz)
(d
INSERTION LOSS
OFF-ISOLATION
CROSSTALK
RS = 75W
RL = 600W
Typical Operating Characteristics (continued)

(V+ = VL= +5V, V- = -5V, TA= +25°C, unless otherwise noted.)
ON/OFF TIME vs. SUPPLY VOLTAGE
X4588-07
SUPPLY VOLTAGE (±V)
, tO
F (n
tOFF
tON
ON/OFF TIME vs. TEMPERATURE
X4588-08
TEMPERATURE (°C)
, tO
F (n
tOFF
tON
Low-Voltage, High-Isolation,
Dual 4-Channel RF/Video Multiplexer
Pin Description

Active-Low Reset Input. In serial mode, drive RSlow to force the latches and shift registers to the power-
on reset state and force all switches open. In parallel mode, drive RS low to force the latches to the power-
on reset state and force all switches open. See Truth Tables.12
In parallel mode, this pin is the transparent Latch Enable. In the serial mode, this pin is the Chip-Select
Input. See Truth Tables.LE/CS13
Most Significant Address Bit in parallel mode with 4/8low. If 4/8pin is high, this pin is ignored. In the serial
mode, this is the Serial Shift Clock Input. Data is loaded on the rising edge of SCLK. See Truth Tables.A2/SCLK14
Address Input in the parallel mode. Serial Data Input in serial mode. In serial mode, data is loaded on
SCLK’s rising edge.A1/DIN15
Least Significant Address Input in the parallel mode. In the serial mode this is an output from the internal
4-bit shift register. DOUT is intended for daisy-chain cascading. DOUT is not three-stated by CS. See
Serial Operation.
A0/DOUT16
Normally Open Analog Input Terminal. See Truth Tables.NO26
Normally Open Analog Input Terminal. See Truth Tables.NO38
Normally Open Analog Input Terminal. See Truth Tables.NO410
Multiplexer Configuration Control. Connect to VLto select dual 2-channel mode. Connect to GND for single
4-channel multiplexer operation. See Truth Tables.4/811
Normally Open Analog Input Terminal. See Truth Tables.NO14
Analog Positive Supply Voltage InputV+3
PIN

Analog Switch Common Terminal. See Truth Table.COM12
Ground. Connect all ground pins to a ground plane. See Groundingsection.GND
1, 5, 7,
9, 21,
23, 25
FUNCTIONNAME

Normally Open Analog Input Terminal. See Truth Tables.NO526
Analog Negative Supply Voltage Input. Connect to ground plane for single-supply operation.V-27
Analog Switch Common Terminal. See Truth Tables.COM228
Logic Supply Input. Powers the DOUT driver and other digital circuitry. VLsets both the digital input and
output logic levels. VL19
Normally Open Analog Input Terminal. See Truth Tables.NO820
Normally Open Analog Input Terminal. See Truth Tables.NO722
Normally Open Analog Input Terminal. See Truth Tables.NO624
Interface Select Input. Drive low for parallel data interface operation. Drive high for serial data interface
operation and to enable the DOUT driver.SER/PAR18
Switch Enable. Drive EN low to force all channels off. Drive high to allow normal multiplexer operation.
Operates asynchronously in serial mode. In parallel mode, EN is latched when LEsignal is high.EN17
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