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PDF BA7602F Data sheet ( Hoja de datos )
| Número de pieza | BA7602F | |
| Descripción | Video signal switcher | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Multimedia ICs
Video signal switcher
BA7602 / BA7602F
The BA7602 and BA7602F are switching ICs developed for use in VCRs. Each contains three two-channel analog
multiplexers. They feature a large dynamic range, and wide operating frequency range, and are suitable for switching
audio and video signals.
•Applications
Video cassette recorders and televisions
•Features
1) Three 2-input / 1-output switches.
2) 5V power supply.
3) Low power consumption (70mW Typ.).
4) Excellent frequency characteristics
(10MHz, 0dB Typ.).
•Block diagram
5) Wide dynamic range (3.1VP-P Typ.).
6) High input impedance (20kΩ Typ.).
7) Fast switching speed (50ns Typ.).
IN2a 1
CTLa 2
OUTa 3
GND 4
OUTb 5
OUTc 6
CTLc 7
IN2c 8
Sa
Sb
Sc
16 IN1a
15 GND
14 IN2b
13 VCC
12 CTLb
11 IN1b
10 GND
9 IN1c
CTL Output
L IN2
H IN1
•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
mV
°C
°C
1
1 page  
Multimedia ICs
BA7602 / BA7602F
•Measurment conditions
Parameter
Switch settings
Measurement
Symbol
S1a
S2a
S3a
S1b
S2b
S3b
S1C
S2C
S3C
method
Current dissipation
ICC 2 2 2 2 2 2 2 2 2
IN1a VOm 3 2 2 2 2 2 2 2 2
Maximum
output level
IN2a VOm 2
IN1b VOm 2
IN2b VOm 2
IN1c VOm 2
3
2
2
2
3
2
2
2
2
3
2
2
2
2
3
2
2
2
3
2
2
2
2
3
2
2
2
2
2
2
2
f = 1kHz
THD = 0.5%
2 Note 1
IN2c VOm 2 2 2 2 2 2 2 3 3
IN1a GV 3 2 2 2 2 2 2 2 2
IN2a GV 2
Voltage gain
IN1b
IN2b
GV
GV
2
2
3
2
2
3
2
2
2
3
2
2
2
3
2
2
3
2
2
2
2
2
2
2
2
2
f = 1kHz
V = 1VP-P
IN1c GV 2 2 2 2 2 2 3 2 2
Note 2
IN2c GV 2 2 2 2 2 2 2 3 3
IN1a CT 2 3 2 2 2 2 2 2 2
IN2a CT 3
Interchannel IN1b CT 2
crosstalk
IN2b CT 2
2
2
2
3
2
2
2
2
3
2
3
2
2
2
3
2
2
2
2
2
2
2
2
2
f = 4.43MHz
V = 1VPP
IN1c CT 2 2 2 2 2 2 2 3 2
Note 3
IN2c CT 2 2 2 2 2 2 3 2 3
IN1a Gf 3 2 2 2 2 2 2 2 2
IN2a Gf 2
Frequency
IN1b Gf 2
characteristic IN2b Gf 2
IN1c Gf 2
3
2
2
2
3
2
2
2
2
3
2
2
2
2
3
2
2
2
3
2
2
2
2
3
2
2
2
2
2
2
2
f = 10M / f = 1M
V = 1VPP
2 Note 4
IN2c Gf 2 2 2 2 2 2 2 3 3
CTL pin
CTLa VTH
3
2
1
2
2
2
2
2
2
CTLb VTH
2
2
2
3
2
1
2
2
2
switching level CTLc VTH
2
2
2
2
2
2
3
2
1
Note 5
IN1a ZIN 1 2 2 2 2 2 2 2 2
IN2a ZIN 2 1 3 2 2 2 2 2 2
Input
IN1b ZIN 2 2 2 1 2 2 2 2 2
impedance
IN2b ZIN 2
2
2
2
1
3
2
2
2
IN1c ZIN 2 2 2 2 2 2 1 2 2
IN2c ZIN 2 2 2 2 2 2 2 1 3
Note 6
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 = 1MHz)).
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.
Note 6: Measure the input pin voltage VIN50 when a current of DC50µA is flowing into the input pin. Measure the input pin open-circuit voltage.
The input impedance is given by Z = (VIN50 - VIN0) / 50 × 10-6 [Ω].
5
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| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet BA7602F.PDF ] | |
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