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MAX464CNIMAXIMN/a2avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX464CWIMAXIMN/a11avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX463CNGMAXIMN/a2avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX463EWGMAXN/a314avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX465CNGMAXIMN/a80avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX465CNGN/a2avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX465CWGMAXIMN/a85avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX466CWIMAXIMN/a10avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX467CPEMAXIMN/a1076avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX468CPEMAXIMN/a777avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX468EPEMAXIMN/a108avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX469CPEMAXN/a100avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX469CWEMAXIMN/a8avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX469EPEMAXIMN/a4avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX470CPEMAXIMN/a125avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers
MAX470CWEMAXIMN/a100avaiTwo-Channel, Triple/Quad RGB Video Switches and Buffers


MAX467CPE ,Two-Channel, Triple/Quad RGB Video Switches and BuffersELECTRICAL CHARACTERISTICS(V+ = 5V, V- = -5V, -2V ≤ V ≤ +2V, R = 75Ω, unless otherwise noted.)IN LO ..
MAX4680CAE ,1.25 / Dual SPST / CMOS Analog SwitchesApplicationsMAX4680CWE 0°C to +70°C 16 Wide SOMAX4680CPE 0°C to +70°C 16 Plastic DIPReed Relay Repl ..
MAX4680CWE ,1.25 / Dual SPST / CMOS Analog SwitchesELECTRICAL CHARACTERISTICS—Dual Supplies(V+ = +15V, V- = -15V, V = +5V, V = +2.4V, V = +0.8V, T = T ..
MAX4680EAE ,1.25 / Dual SPST / CMOS Analog SwitchesMAX4680/MAX4690/MAX470019-1513; Rev 0; 7/991.25Ω, Dual SPST,CMOS Analog Switches
MAX4680EAE+ ,1.25Ω, Dual, SPST, CMOS Analog SwitchApplicationsMAX4680CWE 0°C to +70°C 16 Wide SOMAX4680CPE 0°C to +70°C 16 Plastic DIPReed Relay Repl ..
MAX4684EBC ,0.5 /0.8 Low-Voltage / Dual SPDT Analog Switches in UCSPfeatures a 0.8Ω max on-♦ R Match Between ChannelsONresistance for both NO and NC switches at a +2.7 ..
MAX8860EUA18+ ,Low-Dropout, 300mA Linear Regulator in µMAXMAX886019-1422; Rev 2; 1/01Low-Dropout, 300mA Linear Regulator in µMAX
MAX8860EUA18+T ,Low-Dropout, 300mA Linear Regulator in µMAXMAX886019-1422; Rev 2; 1/01Low-Dropout, 300mA Linear Regulator in µMAX
MAX8860EUA25 ,Low-Dropout / 300mA Linear Regulator in MAXELECTRICAL CHARACTERISTICS(V = +3.6V, C = 33nF, T = -40°C to +85°C, unless otherwise noted. Typical ..
MAX8860EUA25 ,Low-Dropout / 300mA Linear Regulator in MAXfeatures include a 10nA, logic-controlled shut-  Small, Space-Saving µMAX Package down mode, short ..
MAX8860EUA25+ ,Low-Dropout, 300mA Linear Regulator in µMAXApplicationsWireless HandsetsDSP Core PowerOrdering InformationPCMCIA CardsPIN- VOUTPART TEMP RANGE ..
MAX8860EUA25+T ,Low-Dropout, 300mA Linear Regulator in µMAXELECTRICAL CHARACTERISTICS(V = 3.6V, C = 33nF, T = -40°C to +85°C, unless otherwise noted. Typical ..


MAX463CNG-MAX463EWG-MAX464CNI-MAX464CWI-MAX465CNG-MAX465CWG-MAX466CWI-MAX467CPE-MAX468CPE-MAX468EPE-MAX469CPE-MAX469CWE-MAX469EPE-MAX470CPE-MAX470CWE
Two-Channel, Triple/Quad RGB Video Switches and Buffers
_______________General Description
The MAX463–MAX470 series of two-channel,
triple/quad buffered video switches and video buffers
combines high-accuracy, unity-gain-stable amplifiers
with high-performance video switches. Fast switching
time and low differential gain and phase error make this
series of switches and buffers ideal for all video appli-
cations. The devices are all specified for ±5V supply
operation with inputs and outputs as high as ±2.5V
when driving 150Ωloads (75Ωback-terminated cable).
Input capacitance is typically only 5pF, and channel-to-
channel crosstalk is better than 60dB, accomplished by
surrounding all inputs with AC ground pins. The on-
board amplifiers feature a 200V/µs slew rate (300V/µs
for AV= 2V/V amplifiers), and a bandwidth of 100MHz
(90MHz for AV= 2V/V buffers). Channel selection is
controlled by a single TTL-compatible input pin or by a
microprocessor interface, and channel switch time is
only 20ns.
For design flexibility, devices are offered with buffer-
amplifier gains of 1V/V or 2V/V for 75Ωback-terminated
applications. Output amplifiers have a guaranteed out-
put swing of ±2V into 75Ω.
Devices offered in this series are as follows:
________________________Applications

Broadcast-Quality Color-Signal Multiplexing
RGB Multiplexing
RGB Color Video Overlay Editors
RGB Color Video Security Systems
RGB Medical Imaging
Coaxial-Cable Line Drivers
____________________________Features
100MHz Unity-Gain Bandwidth90MHz Bandwidth with 2V/V Gain0.01%/0.03°Differential Gain/Phase ErrorDrives 50Ωand 75ΩBack-Terminated Cable DirectlyWide Output Swing:
±2V into 75Ω
±2.5V into 150Ω
300V/µs Slew Rate (2V/V gain)20ns Channel Switching TimeLogic Disable Mode:
High-Z Outputs
Reduced Power Consumption
Outputs May Be Paralleled for Larger Networks5pF Input Capacitance (channel on or off)
______________Ordering Information
Ordering Information continued on last page.

* Dice are specified at TA= +25°C, DC parameters only.
MAX463–MAX470
Two-Channel, Triple/Quad
RGB Video Switches and Buffers
________________________________________________________________Maxim Integrated Products1
_________________Pin Configurations
Call toll free 1-800-998-8800 for free samples or literature.
Typical Operating Circuit appears at end of data sheet.
MAX463–MAX470wo-Channel, Triple/Quad
RGB Video Switches and Buffers_______________________________________________________________________________________

Power-Supply Ranges
V+ to V-................................................................................12V
Analog Input Voltage..........................(V- - 0.3V) to (V+ + 0.3V)
Digital Input Voltage...................................-0.3V to (V+ + 0.3V)
Output Short-Circuit Duration (to GND)........................1 Minute
Input Current into Any Pin, Power On or Off...................±50mA
Continuous Power Dissipation (TA= +70°C)
16-Pin Plastic DIP (derate 22.22mW/°C above +70°C)....1778mW
16-Pin Wide SO (derate 20.00mW/°C above +70°C).......1600mW
24-Pin Narrow Plastic DIP
(derate 20.2mW/°C above +70°C)..................................1620mW
24-Pin Wide SO (derate 19.3mW/°C above +70°C).........1590mW
28-Pin Narrow Plastic DIP
(derate 20.2mW/°C above +70°C)..................................1620mW
28-Pin Wide SO (derate 18.1mW/°C above +70°C).........1440mW
Operating Temperature Ranges
MAX4_ _C_ _.........................................................0°C to +70°C
MAX4_ _E_ _......................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
ELECTRICAL CHARACTERISTICS

(V+ = 5V, V- = -5V, -2V ≤VIN≤+2V, RLOAD= 75Ω, unless otherwise noted.)
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.
ABSOLUTE MAXIMUM RATINGS
MAX463–MAX470
Two-Channel, Triple/Quad
RGB Video Switches and Buffers
_______________________________________________________________________________________3
ELECTRICAL CHARACTERISTICS (continued)

(V+ = 5V, V- = -5V, -2V ≤VIN≤+2V, RLOAD= 75Ω, unless otherwise noted.)
10k100k
MAX468
GAIN AND PHASE RESPONSES

MAX463/470 -01
FREQUENCY (Hz)
GAIN (dB)100M
PHASE (DEGREES)
10M100k
MAX464
OUTPUT IMPEDANCE
vs. FREQUENCY

MAX463/470 -02
FREQUENCY (Hz)
OUTPUT IMPEDANCE ( )100M
10M10k100k
MAX468
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY

MAX463/470 -03
FREQUENCY (Hz)
PSRR (dB)100M
10M10k
MAX463–MAX470wo-Channel, Triple/Quad
RGB Video Switches and Buffers_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)

(V+ = 5V, V- = -5V, -2V ≤VIN≤+2V, RLOAD= 75Ω, unless otherwise noted.)
Note 1:
Voltage gain accuracy for the unity-gain devices is defined as [(VOUT- VIN) at VIN= 1V - (VOUT- VIN) at VIN= -1V]/2.
Note 2:
Voltage gain accuracy for the gain-of-two devices is defined as [(VOUT/2 - VIN) at VIN= 1V - (VOUT/2 - VIN) at VIN= -1V]/2.
Note 3:
Tested with a 3.58MHz sine wave of amplitude 40IRE superimposed on a linear ramp (0IRE to 100IRE), RL= 150Ωto ground.
Note 4:
Tested with the selected input connected to ground through a 75Ωresistor, and a 4VP-Psine wave at 10MHz driving adjacent input.
Note 5:
Tested in the same manner as described in Note 4, but with all other inputs driven.
Note 6:
Tested with LE = 0V, E—N–= V+, and all inputs driven with a 4VP-P, 10MHz sine wave.
Note 7:
Measured from a channel switch command to measurable activity at the output.
Note 8:
Measured from where the output begins to move to the point where it is well defined.
Note 9:
Measured from a disable command to amplifier in a non-driving state.
Note 10:
Measured from an enable command to the point where the output reaches 90% current out.
Note 11:
Guaranteed by design.
__________________________________________Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)
MAX463–MAX470
Two-Channel, Triple/Quad
RGB Video Switches and Buffers
_______________________________________________________________________________________5

VOLTAGE GAIN ACCURACY
vs. TEMPERATURE
MAX463/470 -04
TEMPERATURE (°C)
PERCENTAGE (%)
MAX463
DISABLED OUTPUT RESISTANCE
vs. TEMPERATURE
MAX463/470 -05
TEMPERATURE (°C)
OUTPUT RESISTANCE (k
MAX465
DISABLED OUTPUT RESISTANCE
vs. TEMPERATURE
MAX463/470 -06
TEMPERATURE (°C)
OUTPUT RESISTANCE (k
SUPPLY CURRENT PER AMPLIFIER
vs. TEMPERATURE
MAX463/470 -09
TEMPERATURE (°C)
SUPPLY CURRENT PER AMPLIFIER (mA)
DISABLED SUPPLY CURRENT
vs. TEMPERATURE
MAX463/470 -07
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
OUTPUT VOLTAGE SWING
vs. LOAD RESISTANCE
MAX463/470 -08
LOAD RESISTANCE ( )
OUTPUT VOLTAGE (V)
____________________________Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
MAX463–MAX470wo-Channel, Triple/Quad
RGB Video Switches and Buffers_______________________________________________________________________________________
____________________________Typical Operating Characteristics (continued)

(TA = +25°C, unless otherwise noted.)
MAX463–MAX470
Two-Channel, Triple/Quad
RGB Video Switches and Buffers
_______________________________________________________________________________________7
_____________________________________________________________Pin Descriptions
_______________Detailed Description
The MAX463–MAX470 have a bipolar construction,
which results in a typical channel input capacitance of
only 5pF, whether the channel is on or off. This low
input capacitance allows the amplifiers to realize full
AC performance, even with source impedances as
great as 250Ω. It also minimizes switching transients
because the driving source sees the same load
whether the channel is on or off. Low input capaci-
tance is critical, because it forms a single-pole RC low-
pass filter with the output impedance of the signal
source, and this filter can limit the system’s signal
bandwidth if the RC product becomes too large.
The MAX465/MAX466/MAX469/MAX470’s amplifiers are
internally configured for a gain of two, resulting in an over-
all gain of one at the cable output when driving back-ter-
minated coaxial cable (see the section Driving Coaxial
Cable). The MAX463/MAX464/MAX467/MAX468 are
internally configured for unity gain.
Power-Supply Bypassing and Board Layout

To realize the full AC performance of high-speed ampli-
fiers, pay careful attention to power-supply bypassing
and board layout, and use a large, low-impedance
ground plane. With multi-layer boards, the ground
plane should be located on the layer that is not dedi-
cated to a specific signal trace.
To prevent unwanted signal coupling, minimize the
trace area at the circuit's critical high-impedance
nodes, and surround the analog inputs with an AC
ground trace (analog ground, bypassed DC power
supply, etc). The analog input pins to the
MAX463–MAX470 have been separated with AC
ground pins (GND, V+, V-, or a hard-wired logic input)
to minimize parasitic coupling, which can degrade
crosstalk and/or stability of the amplifier. Keep signal
paths as short as possible to minimize inductance,
and ensure that all input channel traces are of equal
length to maintain the phase relationship between the
R, G, and B signals. Connect the coaxial-cable shield
to the ground side of the 75Ωterminating resistor at
the ground plane to further reduce crosstalk (see
Figure 1).
Bypass all power-supply pins directly to the ground
plane with 0.1µF ceramic capacitors, placed as close
to the supply pins as possible. For high-current loads,
it may be necessary to include 10µF tantalum or alu-
minum-electrolytic capacitors in parallel with the 0.1µF
ceramics. Keep capacitor lead lengths as short as
possible to minimize series inductance; surface-mount
(chip) capacitors are ideal.
Connect all V- pins to a large power plane. The V- pins
conduct heat away from the internal die, aiding thermal
dissipation.
Differential Gain and Phase Errors

Differential gain and phase errors are critical specifica-
tions for an amplifier/buffer in color video applications,
because these errors correspond directly to changes in
the color of the displayed picture in composite video
systems. The MAX467–MAX470 have low differential
gain and phase errors, making them ideal in broadcast-
quality composite color applications, as well as in RGB
video systems where these errors are less significant.
The MAX467–MAX470 differential gain and phase errors
are measured with the Tektronix VM700 Video
Measurement Set, with the input test signal provided by
the Tektronix 1910 Digital Generator as shown in Figure 2.
Measuring the differential gain and phase of the
MAX469/MAX470 (Figure 2a) is straightforward because
the output amplifiers are configured for a gain of two,
allowing connection to the VM700 through a back-termi-
nated coaxial cable. Since the MAX467/MAX468 are
unity-gain devices, driving a back-terminated coax
would result in a gain of 1/2 at the VM700.
Figure 2b shows a test method to measure the differen-
tial gain and phase for the MAX467/MAX468. First,
measure and store the video signal with the device
under test (DUT) removed and replaced with a short
circuit, and the 150Ωload resistor omitted. Then do
another measurement with the DUT and load resistor in
the circuit, and calculate the differential gain and phase
errors by subtracting the results.
MAX463–MAX470wo-Channel, Triple/Quad
RGB Video Switches and Buffers_______________________________________________________________________________________
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