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BA7797F Fiches technique(PDF) 2 Page - Rohm

No de pièce BA7797F
Description  VCR standard audio signal processor
Download  8 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BA7797F Fiches technique(HTML) 2 Page - Rohm

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Video ICs
BA7797F
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
VCC
13
V
550
mW
Topr
°C
Tstg
°C
Pd
– 10 ~ + 65
– 55 ~ + 125
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
When mounted on a 50mm × 50mm × 1.6mm glass epoxy board. Reduced by 5.5mW for
each increase in Ta of 1
°C over 25°C.
Recommended operating conditions (Ta = 25°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
VCC
7.5
12.5
V
Power supply voltage
Pin descriptions (VCC = 10V)
1
PB IN
2.0V
REC: 120k
REC: 11
2
REC HEAD SW
0.0V
REC: OPEN
3
REC OUT
4.7V
EF (P-P)
4
REC L
4.7V
B (NPN)
5
VCC
10.0V
6
RIPPLE FILTER
10.0V
10k
Ω (VCC)
7
REC / EE CTRL
8
LINE OUT
4.7V
EF (P-P)
9
ALC LEVEL ADJ
4.1V
10
MUTE CTRL
11
LINE IN
4.7V
120k
12
PB / TU / LINE CTRL
13
TUNER IN
4.7V
120k
14
ALC FILTER
PB: 0.0V
15
PB LINE IN
4.7V
120k
16
PB OUT
2.0V
EF (P-P)
17
PB NFB
2.0V
B (NPN)
18
GND
0.0V
Pin No.
Pin name
Function
Pin voltage
I / O circuit
REC: 17
Ω (ON)
EF (NPN) ~ 100
PB: Not fixed
See input / output circuit
See Fig. 4
See input / output circuit
See input / output circuit
Playback amplifier input / playback head switch
High-withstanding voltage recording head switch
Recording amplifier output
Recording EQ switch
VCC
Ripple filter
REC / EE control
Line amplifier output
ALC level adjustment
Mute control
Line input
PB / TU / LINE control
Tuner input
For setting the time constant for the ALC filter
(attack and recovery times)
Line input for playback
Playback amplifier output
Playback amplifier feedback
GND
EF: emitter follower, P-P: push pull, B: base, and C: collector.
All measurements made using the measurement circuit (Fig.1) with VCC = 10V and quiescent circuit conditions.
All numerical values are standardized values.


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