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參數(shù)資料
| 型號： | BA7181 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | 2-channel PRE / REC amplifier with auto-tracking interface |
| 中文描述： | 2通道前/承包放大器具有自動跟蹤接口 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 95K |
| 代理商： | BA7181 |
2
Video ICs
BA7181FS
Block diagram
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
1
1
1
2
+
R
P
D
A
P
L
E
P
M
R
A
H
D
(REC - OUT 1)
(REC - OUT 2)
–
–
DFF IN
DET FILTER
REC DCFB
PRE IN 1
GND 1
PRE IN 2
PB / EE / REC CTRL
REC + OUT
REC AGC FILTER
AT ENVE FB
GND 2
REC LEVEL ADJ
PB AGC OUT
PB AGC FILTER
AT ENVE PEAKING
H SYNC IN
PB RF OUT
AT ENVE OUT
REC IN
V
CC
V
C
Electrical characteristics (unless otherwise noted, Ta = 25°C, V
CC
= 5.0V and f = 4.0MHz)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Measurement
circuit
Playback system
Quiescent current
Voltage gain CH-1
Voltage gain CH-2
Voltage gain differential
Frequency characteristic
2nd harmonic distortion
3rd harmonic distortion
Maximum output level
Crosstalk
Design reference values.
Iq
(P)
—
18
45
mA
Fig.1
G
VP1
54
57
60
dB
Fig.1
G
VP2
54
57
60
dB
Fig.1
G
VP
—
0
1
dB
Fig.1
G
Vf
– 7
–
3
0
dB
Fig.1
2HD
P
3HD
P
V
OMP
CT
P
—
—
1.0
—
–
45
—
—
—
dBc
dBc
V
P-P
dBc
Fig.1
Fig.1
Fig.1
Fig.1
–
45
1.5
–
38
–
32
No signal
Pin 4 input = 0.3mV
, pin 1: L,
pin 14 output measurement
Pin 6 input = 0.3mV
, pin 1: H,
pin 14 output measurement
G
VP
= | G
VP1
—G
VP2
|
Difference in pin 14 output level for f = 8.0 / 1.0MHz,
V
IN
= 0.3mV
P-P
V
IN
= 0.3mV
P-P
, 8.0MHz spurious
V
IN
= 0.3mV
P-P
, 12.0MHz spurious
When pin 14 output 2nd harmonic distortion is –30dBc
Difference in pin 14 output level for pin 1: H / L
(Fig. 1 measurement circuit, pin 8: “H” )
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BA7181FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:2-channel PRE / REC amplifier with auto-tracking interface |
| BA7182 | 制造商:ROHM 制造商全稱:Rohm 功能描述:2-channel PRE / REC amplifier with auto-tracking interface |
| BA7182AS | 制造商:ROHM 制造商全稱:Rohm 功能描述:2-channel PRE / REC amplifier with auto-tracking interface |
| BA7184 | 制造商:ROHM 制造商全稱:Rohm 功能描述:4-channel PRE / REC amplifier with auto-tracking interface |
| BA7184S | 制造商:ROHM 制造商全稱:Rohm 功能描述:4-channel PRE / REC amplifier with auto-tracking interface |
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