SC9153A 查看數據表（PDF） - Silan Microelectronics
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SC9153A Datasheet PDF : 9 Pages
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Silan
Semiconductors
SC9153A
STEP
0
1
2
3
4
5
6
7
8
9
10
11
12
13
DCO
0
IDCO=100µA±30µA
2 × IDCO
3 × IDCO
4 × IDCO
5 × IDCO
6 × IDCO
7 × IDCO
8 × IDCO
9 × IDCO
10 × IDCO
11 × IDCO
12 × IDCO
13 × IDCO
ATTENUATION
-64dB ~ ∝
-60dB ~ -62dB
-54dB ~ -58dB
-50dB ~ -52dB
-44dB ~ -48dB
-40dB ~ -42dB
-34dB ~ -38dB
-30dB ~ -32dB
-24dB ~ -28dB
-20dB ~ -22dB
-14dB ~ -18dB
-10dB ~ -12dB
-4dB ~ -8dB
0dB ~ -2dB
8
Step 0
REMARKS
13
12
11
1kΩ
10
Vss
9
8
7
6
About
1.3V
5
4
3
2
1
1 Step is about 100mV±30mV
3.ATTENUATOR
The attenuator unit consist of diffused resistors and analog switches. Attenuator-1 attenuates 0 ~ 60dB at
10dB/step while Attenuator-2 attenuates 2~8db at 2dB/step, a total of 0~ 66dB at 2dB/step.
IN1
R1
R1
R1
R1
R1
R1
R1
A-GND
Buffer
0
OUT1
IN2
R2
-10
R2
-20
R2
-30
R2
-40
0
OUT2
-2
-4
-6
-8
-50
-60
Attenuator-1
R1=50kΩ(typical)
R2=20kΩ(typical)
R2
-∞
Attenuator-2
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
5
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