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參數資料
| 型號： | TS636ID |
| 廠商： | 意法半導體 |
| 英文描述： | ESD Floor marking tape. 3"x 108' |
| 中文描述： | 差動可變增益放大器的ADSL線路接口 |
| 文件頁數： | 4/9頁 |
| 文件大?。?/td> | 121K |
| 代理商： | TS636ID |
TS636
4/9
DIGITAL INPUTS
SIMPLIFIED SCHEMATIC
The TS636 consists of two independent channels.
Each channel has two stages. The first is a very low noise digitally controlled variable gain amplifier (range
0 to 18dB).
The TS636 features a high input impedance and a low noise current. To minimize the overall noise figure,
the source impedance must be less than 3k
.
This value gives an equal contribution of voltage and current noises.
The second stage is a gain/attenuation stage (+12dB to -9dB) featuring a low output impedance.
This output stage can drive loads as low as 500
.
POWER DOWN MODE POSITION
Pin
Parameter
Min.
Typ.
Max.
Unit
GC1, GC2, GC3
and GC4
Low Level
High Level
0
0.8
V
2
3.3
0
3.3
Power Down
Thershold Voltage for Power
Down Mode (high level active)
0.8
V
2
+
_
_
+
v
v
GAIN CONTROL
LOGIC DECODER
Input1
+
_
_
+
v
v
Input2
+Vcc2
Digital GND
(DGND)
Ouput2
Ouput1
+Vcc1
-Vcc
Analog GND
(AGND)
GC3
GC2
v
Power
Down
+Vcc
-Vcc
+Vcc
-Vcc
Power Down
Input
Output
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相關代理商/技術參數 |
參數描述 |
|---|---|
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