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What is BA7603?

This electronic component, produced by the manufacturer "ROHM Semiconductor", performs the same function as "Video signal switcher".


BA7603 Datasheet PDF - ROHM Semiconductor

Part Number BA7603
Description Video signal switcher
Manufacturers ROHM Semiconductor 
Logo ROHM Semiconductor Logo 


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Multimedia ICs
Video signal switcher
BA7603 / BA7603F
The BA7603 and BA7603F are switching ICs developed for use in VCRs. Each contains three two-channel analog
multi-plexers. The switches have sync-tip clamped inputs and are ideal for switching video signals.
Applications
Video cassette recorders and televisions
Features
1) Three 2-input / 1-output switches.
2) Sync-tip clamped inputs.
3) 5V power supply.
4) Low power consumption (62.5mW Typ.).
5) Excellent frequency characteristics
(10MHz, 0dB Typ.).
6) Wide dynamic range (2.9VP-P Typ.).
7) Fast switching speed (50ns Typ.).
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Power supply voltage
VCC
Power dissipation
Pd
Operating temperature
Topr
Storage temperature
Tstg
Reduced by 5.0mW for each increase in Ta of 1°C over 25°C.
Limits
9
500
– 40 ~ + 85
– 55 ~ + 125
Unit
V
mW
°C
°C
Block diagram
IN2a 1
CTLa 2
OUTa 3
GND 4
OUTb 5
OUTc 6
CTLc 7
IN2c 8
16 IN1a
15 GND
14 IN2b
13 VCC
12 CTLb
11 IN1b
10 GND
9 IN1c
CTL Output
L IN 2
H IN 1
SWa, SWb, SWc: pedestal-clamped input
1

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BA7603 equivalent
Multimedia ICs
BA7603 / BA7603F
Measurment conditions
Parameter
Switch settings
Symbol
S1a S2a S3a S1b S2b S3b S1c S2c S3c
Measurement
method
Current dissipation ICC
2 2 2 22 2 2 2 2
Maximum
output
level
Voltage
gain
Inter-
channel
crosstalk
Frequency
character-
istic
IN1a
IN2a
IN1b
IN2b
IN1C
IN2C
IN1a
IN2a
IN1b
IN2b
IN1c
IN2c
IN1a
IN2a
IN1b
IN2b
IN1c
IN2c
IN1a
IN2a
IN1b
IN2b
IN1c
IN2c
Vom 3 2 2 2 2 2 2 2 2 f = 1kHz,
Vom 2 3 3 2 2 2 2 2 2 THD = 0.5%
Vom 2 2 2 3 2 2 2 2 2
Vom 2 2 2 2 3 3 2 2 2
Note 1
Vom 2 2 2 2 2 2 3 2 2
Vom 2 2 2 2 2 2 2 3 3
GV 3 2 2 2 2 2 2 2 2 f = 1kHz,
GV 2 3 3 2 2 2 2 2 2 V = 1VP-P
GV 2 2 2 3 2 2 2 2 2
GV 2 2 2 2 3 3 2 2 2
Note 2
GV 2 2 2 2 2 2 3 2 2
GV 2 2 2 2 2 2 2 3 3
CT 2 3 2 2 2 2 2 2 2 f = 4.43MHz,
CT 3 2 3 2 2 2 2 2 2 V = 1VP-P
CT 2 2 2 2 3 2 2 2 2
CT 2 2 2 3 2 3 2 2 2
Note 3
CT 2 2 2 2 2 2 2 3 2
CT 2 2 2 2 2 2 3 2 3
Gf 3 2 2 2 2 2 2 2 2 f = 10MHz / f = 1MHz,
Gf 2 3 3 2 2 2 2 2 2 V = 1VP-P
Gf 2 2 2 3 2 2 2 2 2
Gf 2 2 2 2 3 3 2 2 2
Note 4
Gf 2 2 2 2 2 2 3 2 2
Gf 2 2 2 2 2 2 2 3 3
CTL pin
CTLa
VTH
1
2
1
22
2
2
2
2
switching CTLb VTH 2 2 2 1 2 1 2 2 2
level
CTLc
VTH
2
2
2
22
2
1
2
1
Note 5
Note 1: Connect a distortion meter to the output, and input a f = 1kHz sine wave. Adjust the output level until the output distortion is 0.5%.
This output voltage at this time is the maximum output level Vom (VP-P).
Note 2: Input a 1VP-P, 1MHz sine wave. The voltage gain is given by GV = 20 log (VOUT / VIN).
Note 3: Input a 1VP-P, 4.43MHz sine wave. The interchannel crosstalk is given by CT = 20 log (VOUT / VIN).
Note 4: Input 1VP-P, 1MHz and 10MHz sine waves. The frequency characteristic is given by Gf = 20 log (VOUT (f = 10MHz) / VOUT (f = 10MHz)).
Note 5: Input a 1VP-P, 1MHz sine wave. Reduce the CTL pin voltage from VCC.
The CTL pin switching level (VTH) is the CTL pin voltage at which the VOUT level drops below 20mVP-P.
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BA7603 electronic component.


Information Total 6 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
BA7602The function is Video signal switcher. ROHM SemiconductorROHM Semiconductor
BA7602FThe function is Video signal switcher. ROHM SemiconductorROHM Semiconductor
BA7603The function is Video signal switcher. ROHM SemiconductorROHM Semiconductor

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