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BA7796FS Datasheet(PDF) 3 Page - Rohm

Part # BA7796FS
Description  VCR standard audio signal processor
PDF  10 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA7796FS Datasheet(HTML) 3 Page - Rohm

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3
Video ICs
BA7796FS
•Pin descriptions
I / O circuit
1
2.0V
REC: 120k
Ω
REC: 11
Ω
2
0.0V
3
0.0V
REC: OPEN
4
5.7V
EF (P - P)
5
5.7V
6
5.7V
7
—
8VCC
12.0V
—
9
12.0V
10k
Ω (VCC)
10
—
11
5.7V
12
GND
0.0V
—
13
—
14
5.6V
120k
Ω
15
—
16
5.6V
120k
Ω
17
—
18
5.6V
120k
Ω
19
PB: 0.0V
PB: not fixed
20
5.6V
120k
Ω
21
2.0V
22
2.0V
23
2.0V
24
0.0V
—
Pin No.
HEAD EQ SW
PB IN
REC HEAD SW
REC OUT
REC L 2
REC L 1
EQ CTRL
RIPPLE FILTER
REC / EE CTRL
LINE OUT
MUTE CTRL
LINE IN2
PB / EE CTRL
LINE IN1
INPUT SW CTRL
TUNER IN
ALC FILTER
PB LINE IN
PB EQ SW
PB OUT
PB NFB
HEAD GND
EF (P - P)
EF (P - P)
B (NPN)
B (NPN)
REC: 11
Ω (ON)
220k
Ω / 20Ω (ON)
EF (NPN) ~ 100
Ω
35
Ω (ON) / OPEN
19
Ω (ON) / OPEN
Pin voltage
Pin name
Function
See input / output circuit
See input / output circuit
See input / output circuit
See input / output circuit
See input / output circuit
Playback amplifier input / playback head switch
Head resonance capacitor switch
High-withstanding voltage recording head switch
Recording amplifier output
Recording EQ switch
Recording EQ pin
EQ control
VCC
Ripple filter
REC / EE control
Line amplifier output
GND
Mute control
Line input 2
PB / EE control
Line input 1
Input switch control
Tuner input
For setting the time constant for the ALC filter
(attack and recovery times)
Line input for playback
Playback amplifier output
Playback equalizer switch
Playback amplifier feedback
GND for playback amplifier and head switch
∗ EF: emitter follower, P-P: push pull, B: base, and C: collector.
All measurements made using the measurement circuit (Fig. 1) with VCC = 12V and quiescent circuit conditions.
All numerical values are standardized values.



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