BA7797 データシートの表示（PDF） - ROHM Semiconductor
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BA7797 Datasheet PDF : 8 Pages
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Video ICs
•Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
Power dissipation
VCC
13
V
Pd
550∗
mW
Operating temperature
Topr
– 10 ~ + 65
°C
Storage temperature
Tstg
– 55 ~ + 125
°C
∗ 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
Power supply voltage
VCC
7.5
—
12.5
V
BA7797F
•Pin descriptions (VCC = 10V)
Pin No.
Pin name
Function
Pin voltage
I / O circuit
1
PB IN
Playback amplifier input / playback head switch
2.0V
REC: 120kΩ
REC: 11Ω
2
REC HEAD SW High-withstanding voltage recording head switch
0.0V
REC: 17Ω (ON)
REC: OPEN
3
REC OUT
Recording amplifier output
4.7V
EF (P-P)
4
REC L
Recording EQ switch
4.7V
B (NPN)
5
VCC
VCC
10.0V
—
6
RIPPLE FILTER Ripple filter
10.0V
10kΩ (VCC)
7
REC / EE CTRL REC / EE control
—
See input / output circuit
8
LINE OUT
Line amplifier output
4.7V
EF (P-P)
9
ALC LEVEL ADJ ALC level adjustment
4.1V
See Fig. 4
10
MUTE CTRL
Mute control
—
See input / output circuit
11
LINE IN
Line input
4.7V
120kΩ
12 PB / TU / LINE CTRL PB / TU / LINE control
—
See input / output circuit
13
TUNER IN
Tuner input
4.7V
120kΩ
14
ALC FILTER
For setting the time constant for the ALC filter
(attack and recovery times)
PB: 0.0V
PB: Not fixed
EF (NPN) ~ 100Ω
15
PB LINE IN
Line input for playback
4.7V
120kΩ
16
PB OUT
Playback amplifier output
2.0V
EF (P-P)
17
PB NFB
Playback amplifier feedback
2.0V
B (NPN)
18
GND
GND
0.0V
—
∗ 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.
2
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