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MAX4584EUB+
Serially Controlled Audio/Video Switches
General DescriptionThe MAX4584/MAX4585 serial-interface, programmable
switches are ideal for multimedia applications. Each
device contains one normally open (NO) single-pole/
single-throw (SPST) switch and one single-pole/double-
throw (SPDT) switch. The MAX4584/MAX4585 feature
65Ωon-resistance, 4Ωon-resistance matching
between channels, and 5Ωon-resistance flatness.
Additionally, they have off-isolation of -83dB at 20kHz
and -48dB at 10MHz, with crosstalk of -84dB at 20kHz
and -60dB at 10MHz.
The MAX4584 uses a 2-wire I2C™-compatible serial
interface; the MAX4585 uses a 3-wire SPI™/QSPI™/
MICROWIRE™-compatible interface. Both devices are
available in a 10-pin µMAX package and are specified
for the extended-industrial (-40°C to +85°C) temperature
range.
ApplicationsCellular Phones and Accessories
Private Mobile Radios (PMRs)
PC Multimedia Audio/Video Routing
Industrial Equipment
Set-Top Boxes
Video Conferencing
High-End Audio Equipment
Features+2.7V to +5.5V Single-Supply OperationSPST and SPDT Switches65Ω(max) RONwith +5V SupplyAudio Performance
-83dB Off-Isolation at 20kHz
-84dB Crosstalk at 20kHzVideo Performance
-48dB Off-Isolation at 10MHz
-60dB Crosstalk at 10MHzSerial Interface
2-Wire I2C Compatible (MAX4584)
3-Wire SPI/QSPI/MICROWIRE Compatible
(MAX4585)
MAX4584/MAX4585
Serially Controlled
Audio/Video SwitchesNO1A
NO1B
COM2
( ) ARE FOR MAX4585 ONLY.
NO2SCL (SCLK)
SDA (DIN)
A (CS)
COM1
TOP VIEW
GND
MAX4584
MAX4585
MAX19-1521; Rev 0; 8/99
PART
MAX4584EUB
MAX4585EUB-40°C to +85°C
-40°C to +85°C
TEMP. RANGEPIN-PACKAGE10 µMAX
10 µMAX
Ordering InformationI2C is a trademark of Philips Corp.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Pin Configuration/
Functional Diagram
MAX4584/MAX4585
Serially Controlled
Audio/Video Switches
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—Single +5VSupply(V+ = +5V ±5%, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (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.
V+ to GND................................................................-0.3V to +6V
COM_ and NO_ _ to GND (Note 1)..............-0.3V to (V+ + 0.3V)
A, CS, SDA, DIN, SCL, and SCLK to GND...............-0.3V to +6V
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)
µMAX (derate 4.1mW/°C above +70°C).....................330mW
Operating Temperature Range...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
Note 1:Signals on NO_ _or COM_ exceeding V+ or ground are clamped by internal diodes. Limit forward-diode current to maximum
current rating.
AUDIO PERFORMANCE-1010TA= TMINto TMAX = 1VRMS, fIN= 20kHz,= 600Ω, Figure 8dB= +25°C= 1VRMS, fIN= 20kHz, = 600Ω, Figure 8= TMINto TMAX = +25°C
CONDITIONS-84VCT(A) Channel-to-Channel Crosstalk0V+VNO_ _,
VCOM_ Analog Signal Range (Note 3)-83VISO(A)Off-Isolation (Note 7)= +25°C= TMINto TMAX = +25°C= TMINto TMAX 0.001165
-1010= TMINto TMAX
UNITSMINTYPMAXSYMBOLPARAMETER6.5= +25°CV+ = 5.25V;
VNO_ _ = 1V, 4.5V, or
floating;
VCOM_= 1V, 4.5V= +25°C0.0021
ICOM_(ON) COM_
On-Leakage Current (Note 6)= TMINto TMAX 0.0011
V+ = 4.75V,
VNO_ _ = 3V,
ICOM_= 4mA
RONOn-ResistanceΩ
V+ = 4.75V,
VNO_ _ = 3V,
ICOM_= 4mA
ΔRON
On-Resistance
Match Between Channels
(Note 4)
V+ = 4.75V;
VNO_ _ = 1V, 2V, 3V;
ICOM_= 4mA
RFLATOn-Resistance
Flatness (Note 5)
V+ = 5.25V;
VNO_ _ = 1V, 4.5V;
VCOM_= 4.5V, 1V
INO_ _(OFF)NO_ _
Off-Leakage Current (Note 6)
V+ = 5.25V;
VNO_ _ = 1V, 4.5V;
VCOM_= 4.5V, 1V
ICOM_(OFF)COM_
Off-Leakage Current (Note 6)nA
ANALOG SWITCHES
AUDIO PERFORMANCE
Serially Controlled
Audio/Video Switches
MAX4584/MAX4585
ELECTRICAL CHARACTERISTICS—Single +5VSupply (continued)(V+ = +5V ±5%, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
POWER SUPPLYOff-Isolation (Note 7)VISO(V)-48dBVA= 1VRMS, fIN= 10MHz,= 50Ω, Figure 8= +25°C275400Turn-On TimetON
VNO_ _= 2.5V, = 35pF, = 5kΩ
-0.1dB BandwidthBW5MHz
-3dB BandwidthBW300MHzRS= 50Ω, RL= 50Ω= 75Ω, RL= 1kΩ
PARAMETERSYMBOLMINTYPMAXUNITSNO_ _ Off-CapacitanceCOFF5pFTurn-Off Time
Break-Before-Make TimetBBM1050ns
tOFF
VNO_ _= 2.5V, = 35pF, = 300Ω
VNO_ _= 2.5V, Figure 6
Charge InjectionQ3pC
Power-Supply Voltage RangeV+2.75.5V
Supply CurrentI+510µA
Channel-to-Channel CrosstalkVCT(V)-60dBVA= 1VRMS, fIN = 10MHz,= 50Ω, Figure 8
CONDITIONSfIN= 1MHz= +25°C125200= 1.0nF, VS= 0, RS= 0, Figure 7
All logic inputs = 0 or V+= TMINto TMAX 500= TMINto TMAX 250
VIDEO PERFORMANCE
DYNAMIC TIMING(Notes, 8, 11, and Figure 5)
MAX4584/MAX4585
Serially Controlled
Audio/Video Switches
ELECTRICAL CHARACTERISTICS—Single +3V Supply(V+ = +3.0V ±10%, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)0.0011V+ = 3.6V;
VCOM_ = 0.5V, 3V;
VNO_ _= 3V, 0.5V
INO_ _(OFF)NO_ _ Off-Leakage
Current (Notes 6, 9)-1010TA= TMINto TMAX= +25°C0.0011V+ = 3.6V;
VCOM_ = 0.5V, 3V;
VNO_ _= 3V, 0.5V
ICOM_(OFF)COM_ Off-Leakage
Current (Notes 6, 9)-1010TA= TMINto TMAX= +25°C10100tBBMBreak-Before-Make TimeVNO_ _= 1.5V, Figure 6
200350VNO_ _= 1.5V, = 300Ω, CL= 35pFtOFFTurn-Off TimeTA= TMINto TMAX= +25°CV+ = 2.7V,
VNO_ _= 1V,
ICOM_= 4mA
ΔRON
On-Resistance
Match Between Channels
(Note 4)6TA= TMINto TMAX= +25°C
1000ns400800VNO_ _= 1.5V, = 5kΩ, CL= 35pFtONTurn-On Time5fIN= 1MHzCOFFNO_ _ Off-Capacitance-60VA= 0.5VRMS, fIN= 10MHz, RS= 50Ω,
Figure 8VCT(V)Channel-to-Channel Crosstalk-48VA= 0.5VRMS, fIN= 10MHz, RL= 50Ω,
Figure 8VISO(V)Off-Isolation
PARAMETERSYMBOLMINTYPMAXUNITS-84VA= 0.5VRMS, fIN= 20kHz, RS= 600Ω,
Figure 8VCT(A)Channel-to-Channel Crosstalk-83VA= 0.5VRMS, fIN= 20kHz, RL= 600Ω,
Figure 8VISO(A)Off-Isolation (Note 7)0.0021V+ = 3.6V;
VCOM_ = 0.5V, 3V;
VNO_ _ = 0.5V, 3V,
or floating
ICOM_(ON)COM _ On-Leakage
Current (Notes 6, 9)
CONDITIONS= TMINto TMAX
-1010TA= TMINto TMAX= +25°C= +25°C
310V+= 2.7V;
VNO_ _= 1V, 1.5V, 2V;
ICOM_= 4mA
RFLATOn-Resistance
Flatness (Note 5)12TA= TMINto TMAX= +25°C0V+VNO_ _,
VCOM_Analog Signal Range (Note 3)110V+ = 2.7V,
VNO_ _= 1V,
ICOM_= 4mA
RONOn-Resistance
130TA= TMINto TMAX= +25°C
MHz200RS= 50Ω, RL= 50ΩBW-3dB Bandwidth
ANALOG SWITCHES
AUDIO PERFORMANCE
VIDEO PERFORMANCE
DYNAMIC TIMING (Notes 8, 11, and Figure 5)
MAX4584/MAX4585
Serially Controlled
Audio/Video Switches
I/O INTERFACE CHARACTERISTICS(V+ = +2.7V to +5.25V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)
2-WIRE TIMING CHARACTERISTICS (Figures 1 and 2, V+ = +2.7V to +5.25V, fSCL= 100kHz, TA= TMINto TMAX, unless otherwise noted. Typical values are at= +25°C.)
UNITSMINTYPMAXCONDITIONSSYMBOLPARAMETER20 + 3000.1CBtRSCL/SDA Rise Time (Note 10)4.0tHIGHClock High Period4.7tLOWClock Low Period250tSU:DATData Setup Time0tHD:DATData Hold Time4.0tSU:STOStop Condition Setup Time4.7tBUFBus Free Time Between Stop
and Start Conditions 100V+ = 2.7V to 5.25VfSCLSCL Clock Frequency20 + 3000.1CBtFSCL/SDA Fall Time (Note 10)4.0The first clock is generated after this period.tHD:STAHold Time After Start Condition
kHz400V+ = 4.75V to 5.25V5CINInput Capacitance 0.2VHYSTInput Hysteresis
UNITSMINTYPMAXCONDITIONSSYMBOLPARAMETER-10.011Digital inputs = 0 or V+ILEAKInput Leakage Current
V+ = 3V
V+ = 3V0.6V3V+ = 5VVIHInput High Voltage0.8V+ = 5VVILInput Low Voltage0.4ISINK= 6mAVOLOutput Low Voltage
DIGITAL INPUTS (SCLK, DIN, CS, SCL, SDA, A)
DIGITAL OUTPUT (SDA)
MAX4584/MAX4585
Serially Controlled
Audio/Video Switches
3-WIRE TIMING CHARACTERISTICS (Figures 3 and 4, V+ = +2.75V to +5.25V, fOP= 2.1MHz, TA= TMINto TMAX, unless otherwise noted. Typical values are at= +25°C.)
Note 2:Algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 3:Guaranteed by design. Not subject to production testing.
Note 4:ΔRON= RON(MAX)- RON(MIN).
Note 5:Resistance flatness is defined as the difference between the maximum and minimum on-resistance values, as measured
over the specified analog signal range.
Note 6:Leakage parameters are 100% tested at maximum rated temperature and guaranteed by correlation at TA= +25°C.
Note 7:Off-isolation = 20 log (VCOM_ / VNO_ _), VCOM_ = output, VNO_ _ = input to off switch.
Note 8:All timing is measured from the clock’s falling edge preceding the ACK signal for 2-wire and from the rising edge of CSfor
3-wire. Turn-off time is defined at the output of the switch for a 0.5V change, tested with a 300Ωload to ground. Turn-on
time is defined at the output of the switch for a 0.5V change and measured with a 5kΩload resistor to GND. All timing is
shown with respect to 20% V+ and 70% V+, unless otherwise noted.
Note 9:Leakage testing is guaranteed by testing with a +5.25V supply.
Note 10:CB= capacitance of one bus line in pF. Tested with CB= 400pF.
Note 11:Typical values are for MAX4584 devices.
VCOM (V)
ON-RESISTANCE
vs. VCOM AND SUPPLY VOLTAGE
MAX4584/5-01
V+ = 2.7V
V+ = 3.0V
V+ = 4.0V
V+ = 5.0V
V+ = 5.5V
VCOM (V)2345
ON-RESISTANCE
vs. VCOM AND TEMPERATURE (V+ = 5V) MAX4584/5-02
TA = -40°C
TA = -55°C
TA = +125°C
TA = +85°C
TA = +25°C
TA = -40°C
TA = -55°C
TA = +85°C
TA = +25°C
TA = +125°C
VCOM (V)1.01.52.00.52.53.0
ON-RESISTANCE
vs. VCOM AND TEMPERATURE (V+ = 3.3V) MAX4584/5-03
Typical Operating Characteristics(V+ = +5V, TA = +25°C, unless otherwise noted.)
SCLK Pulse Width HightCH200
V+ = 4.75V to 5.25V10
Fall Time (SCLK, DIN, CS)tF2µs
SCLK Pulse Width LowtCL200nsRise to SCLK HoldtCSH0ns
Rise Time (SCLK, DIN, CS)tR
DIN to SCLK SetuptDS100ns
Operating FrequencyfOPV+ = 2.7V to 5.25V02.1MHz
DIN to SCLK HoldtDH0nsµsFall to SCLK Rise SetuptCSS100ns
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSPulse Width HightCSW40ns
