參數(shù)資料
型號(hào): BA7780
廠商: Rohm CO.,LTD.
英文描述: Stereo zoom microphone amplifier for camcorders
中文描述: 立體聲變焦攝像機(jī)麥克風(fēng)放大器
文件頁(yè)數(shù): 4/10頁(yè)
文件大?。?/td> 144K
代理商: BA7780
4
Video ICs
BA7780KV
Pin No.
43
MODE 43
25k
44
EXT IN L
1.65
75k
45
VREG L
2.5
C
46
INT IN L
1.65
75k
47
SUB IN L
1.65
100k
48
BG
1.25
10k
49
GND L
50
MIX 1 IN L
1.65
100k
51
GZ CONT
50k
52
SUB INV2 OUT
1.65
EF (P - P)
53
SUB INV2 IN
1.65
B
54
SUB BUF2 OUT
1.65
EF (P - P)
55
SUB VCA OUT
1.65
EF (P - P)
56
SUB VCA IN
1.65
100k
57
MIX2 OUT
1.65
EF (P - P)
58
SUB BUF2 IN
1.65
100k
59
SUB INV1 OUT
1.65
EF (P - P)
60
SUB BUF1 OUT
1.65
EF (P - P)
61
SUB BUF1 IN
1.65
100k
62
MIX1 OUT
1.65
EF (P - P)
63
MIX1 IN R
1.65
100k
64
GND R
Pin voltage (V)
Format
Function
Pin name
Mode control 43 input
External microphone input
Regulator output
Internal microphone input
Sub microphone input
For regulator ripple filter capacitor
Left channel GND
Mixer amplifier input
Sub VCA control input
Sub inverter 2 output
Sub inverter 2 input
Sub buffer 2 output
Sub VCA output
Sub VCA input
Mixer 2 output
Sub buffer 2 input
Sub inverter 1 output
Sub buffer 1 output
Sub buffer 1 input
Mixer 1 output
Mixer 1 input
Right channel GND
EF: emitter follower, P-P: push pull, B: base, and C: collector. All numerical values are standardized values.
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