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): 8/8頁
文件大?。?/td> 108K
代理商: BA7797
8
Video ICs
BA7797F
Electrical characteristic curves
60
10
100
1k
10k
100k
1M
20
40
50
30
V
CC
= 10V
V
IN
= – 60dBV
0.01
μ
22
μ
330
330k
12k
16
17
+
–PB
+
G
V
FREQUENCY: f (Hz)
10M
Fig. 6 Gain vs. frequency (PB amplifier)
M
LOAD RESISTANCE: R
L
(
)
100
200
500
1k
2k
5k
10k
0
2
4
6
8
10
10
μ
+
LINE
V
OUT
R
L
V
CC
= 10V
THD = 1%
(BW = 0.4 ~ 30kHz)
ALC OFF
Fig. 7 Line amplifier load drive
characteristics
O
O
INPUT LEVEL: V
IN
(dBV)
– 40
– 20
– 10
00
10
– 30
– 30
– 20
– 10
00
V
CC
= 10V
V
CC
= 8.58V
f = 1kHz
Input: LINE IN
Output: LINE OUT
Fig. 8 ALC input / output characteristics
G
V
:
FREQUENCY: f (Hz)
100
10
20
30
40
50
1k
10k
100k
Input: LINE IN
Output: REC OUT
REC
&EQ
12k
+
1.5k
1800p
6000p
4
3
OUT
10
μ
4.7k
Fig. 9 Gain vs. frequency (REC amplifier)
External dimensions (Units: mm)
SOP18
0.4
±
0.1
1.27
0.3Min.
0
1
±
5
±
7
±
0
±
18
1
11.2
±
0.2
10
9
0.15
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