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參數(shù)資料
| 型號： | BA7797 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | VCR standard audio signal processor |
| 中文描述： | 錄像機標準音頻信號處理器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 108K |
| 代理商： | BA7797 |
2
Video ICs
BA7797F
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
V
CC
13
550
V
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
V
CC
7.5
—
12.5
V
Power supply voltage
Pin descriptions (V
CC
= 10V)
Pin No.
1
PB IN
2.0V
REC: 120k
REC: 11
REC: 17
(ON)
2
REC HEAD SW
0.0V
REC: OPEN
3
REC OUT
4.7V
EF (P-P)
4
REC L
4.7V
B (NPN)
5
V
CC
10.0V
—
6
RIPPLE FILTER
10.0V
10k
(V
CC
)
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
PB: Not fixed
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 name
Function
Pin voltage
I / O circuit
EF (NPN) ~ 100
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
V
CC
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 V
CC
= 10V and quiescent circuit conditions.
All numerical values are standardized values.
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相關代理商/技術參數(shù) |
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|---|---|
| BA7797F | 制造商:ROHM 制造商全稱:Rohm 功能描述:VCR standard audio signal processor |
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