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PDF BA7605 Data sheet ( Hoja de datos )
| Número de pieza | BA7605 | |
| Descripción | Video signal switcher | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Multimedia ICs
Video signal switcher
BA7605N
The BA7605N is a switching IC developed for use in VCRs. It has two two-channel analog multiplexers with a large
dynamic range, and wide operating frequency range. The switch has sync-tip clamped inputs and is ideal for switch-
ing video signals.
•Applications
Video cassette recorders and televisions
•Features
1) Two 2-input / 1-output switches.
2) Sync-tip clamped inputs.
3) 5V power supply.
4) Low power consumption (42mW Typ.).
5) Excellent frequency characteristics
(10MHz, 0dB Typ.).
6) Wide dynamic range (2.9VP-P Typ.).
7) Fast switching speed (50ns Typ.).
•Block diagram
Sa Sb
1 2 3 4 5 6 7 8 9 10
CTL Output
L IN 2
H IN 1 Sa, Sb: clamp inputs
•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
1
1 page  
Multimedia ICs
•Measurement conditions
Parameter
Symbol
S1a
Switch settings
S2a S3a S1b S2b
Measurement
S3b method
Current dissipation
Maximum
output level
Voltage
gain
Inter-
channel
crosstalk
Frequency
character-
istic
IN1a
IN2a
IN1b
IN2b
IN1a
IN2a
IN1b
IN2b
IN1a
IN2a
IN1b
IN2b
IN1a
IN2a
IN1b
IN2b
CTL pin
CTLa
switching level CTLb
ICC 2 2 2 2 2 2 Ammeter
Vom 3 2 2 2 2 2
Vom 2 3 3 2 2 2
Vom 2 2 2 3 2 2
Vom 2 2 2 2 3 3
GV 3 2 2 2 2 2
GV 2 3 3 2 2 2
GV 2 2 2 3 2 2
Gv 2 2 2 2 3 3
CT 2 3 2 2 2 2
CT 3 2 3 2 2 2
CT 2 2 2 2 3 2
CT 2 2 2 3 2 3
Gf 3 2 2 2 2 2
Gf 2 3 3 2 2 2
Gf 2 2 2 3 2 2
Gf 2 2 2 2 3 3
Note 1
Note 2
Note 3
Note 4
VTH 3 2 1 2 2 2
VTH 2 2 2 3 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 = 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.
•External dimensions (Units: mm)
BA7605N
25.2 ± 0.2
2.8 ± 0.2
1
2.54
10
0.6
0.8 0.3 ± 0.1
1.3
SIP10
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet BA7605.PDF ] | |
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