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BA7795LS 데이터시트(PDF) 11 Page - Rohm

부품명 BA7795LS
상세설명  VCR standard audio signal processor
PDF  12 Pages
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

BA7795LS 데이터시트(HTML) 11 Page - Rohm

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11
Video ICs
BA7795LS / BA7795FS
•Electrical characteristic curves
VCC = 9V
ALC; OFF
40
30
20
10
0
100
1k
10k
100k
1M
FREQUENCY: f (Hz)
Fig. 8 Gain vs. frequency (PB amplifier)
– 20
VCC = 9V
f = 1kHz
13
15
R1
5.6k
Ω
R1 = 18k
Ω
R1 = 12k
Ω
R1 = 39k
Ω
10
0
– 10
– 20
– 30
– 40
– 30
– 10
0
10
INPUT LEVEL: VIN (dBV)
Fig. 9 Line amplifier ALC input / output
characteristics
VCC = 9V
(ALC; OFF)
f = 1kHz
THD = 1%
(0.4 ~ 30kHz)
+
10
µ
LINE
RL
100
200
500
1k
2k
5k
10k
– 20
– 10
0
10
20
OUTPUT IMPEDANCE RL (
Ω)
Fig. 10 Line amplifier load drive
characteristics
PB
SW
8.2k
330k
330
+
0.01
µ
22
µ
2
6
8
10
12k
100
1k
10k
100k
1M
10M
0
20
40
60
80
100
FREQUENCY: f (Hz)
GVO
SP (SW: ON)
EP (SW: OFF)
∗ BA7795LS
Fig. 11 Playback amplifier frequency
characteristics
VCC = 9V
ALC; OFF
DIN AUDIO
LINE
TU
→LINE
PB
→LINE
10
100
1k
10k
100k
10
0
– 20
– 10
– 30
– 40
– 50
– 60
– 70
– 80
– 90
– 100
– 110
FREQUENCY: f (Hz)
MUTE
Fig. 12 Line amplifier crosstalk
DIN AUDIO
VCC = 9V
CIN = 4.7
µF
100
200
500
1k
2k
5k
10k
– 70
– 80
– 90
– 100
INPUT IMPEDANCE: Rg (
Ω)
Fig. 13 Playback amplifier output
noise characteristics



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