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參數(shù)資料
| 型號(hào)： | BA7180 |
| 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(dòng)跟蹤接口 |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大小： | 148K |
| 代理商： | BA7180 |
4
Video ICs
BA7180AS / BA7180AFS
Parameter
Symbol
Unit
Min.
Typ.
Max.
Recording system
Quiescent current
Recording AGC level
AGC control sensitivity
REC amplifier frequency characteristic
2nd harmonic distortion
—
72
110
mA
I
27
30
33
I
OAR
—
0.3
1.5
dB
Pin 9 output level difference for pin 13
input = 62.5mV
P-P
~ 250mV
P-P
I
OAF
– 4
– 1.5
—
dB
2HD
R
—
– 45
– 38
dBc
3HD
R
—
– 50
– 40
dBc
CMD
R
—
– 50
– 40
dBc
4.0MHz
±
630kHz spurious, guaranteed design value.
Maximum output level
40
50
—
mA
P-P
When pin 9 output 2nd harmonic distortion is -30dB
I
ORL
– 1.5
– 0.35
—
dB
Pin 9 output level difference for load L: 8.2
~ 12
μ
H, guaranteed design value.
MU
R
—
– 45
– 38
dBc
Pin 9 output level difference for pin 11: M / H.
AGC mode holding voltage
AGC mode holding voltage
V
TH15H
2.7
—
V
CC
V
Pin 17 DC voltage to maintain recording AGC operation
Pin 17 DC voltage to maintain recording AGC stopped
V
TH15L
0
—
1.2
V
mA
P-P
I
OMR
No signal
Pin 13 input = 125mV
P-P
, pin 9
output measurement
Iq
(R)
3rd harmonic distortion
Cross modulation distortion
Recording current load
characteristic
Mute attenuation ratio
Conditions (BA7180AS)
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Pin 13 input = 125mV
P-P
12MHz spurious,
guaranteed design value.
Pin 9 output level difference for f = 8.0 / 1.0MHz,
pin 12 input = 125mV
P-P,
guaranteed design value.
Pin 13 input = 125mV
P-P
8MHz spurious
Note:
dBc: dB below carrier (used to express relative level from carrier reference for convenience sake)
Measurement
circuit
(Pin 11 in Fig. 2 mesurement circuit "L")
Reference values (unless otherwise noted, Ta = 25°C, V
CC
= 4.8V and f = 4.0MHz)
Parameter
Symbol
Min.
Unit
Typ.
Max.
ENVE output level
ENVE output level
V
ENV2'
1.8
2.3
2.8
V
Pin 15 output measurement when
pin 16 output = 100mV
P-P
.
Pin 15 output measurement when
pin 16 output = 400mV
P-P.
V
ENV3'
3.35
3.6
3.85
V
Conditions (BA7180AS)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BA7180AFS | 制造商:ROHM 制造商全稱:Rohm 功能描述:2-channel PRE / REC amplifier with auto-tracking interface |
| BA7180AS | 制造商:ROHM 制造商全稱:Rohm 功能描述:2-channel PRE / REC amplifier with auto-tracking interface |
| BA7180AS/AFS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Video LSIs |
| BA7181 | 制造商:ROHM 制造商全稱:Rohm 功能描述:2-channel PRE / REC amplifier with auto-tracking interface |
| BA7181FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:2-channel PRE / REC amplifier with auto-tracking interface |
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