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ADC122S021CIMMX/NOPB 数据手册 - National Semiconductor（美国国家半导体）
制造商:
National Semiconductor（美国国家半导体）
封装:
MSOP-8
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引脚图在P2Hot
典型应用电路图在P17
原理图在P2
封装尺寸在P19
型号编码规则在P1
焊接温度在P3
功能描述在P1
技术参数、封装参数在P1P3P5P16
应用领域在P1P15
电气规格在P3P4P5P8
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ADC122S021CIMMX/NOPB数据手册
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Block Diagram
20124607
Pin Descriptions and Equivalent Circuits
Pin No. Symbol Description
ANALOG I/O
5,4
IN1 and IN2 Analog inputs. These signals can range from 0V to V
A
.
DIGITAL I/O
8 SCLK Digital clock input. This clock directly controls the conversion and readout processes.
7 DOUT
Digital data output. The output samples are clocked out of this pin on falling edges of the
SCLK pin.
6 DIN
Digital data input. The ADC122S021's Control Register is loaded through this pin on rising
edges of the SCLK pin.
1 CS
Chip select. On the falling edge of CS, a conversion process begins. Conversions
continue as long as CS is held low.
POWER SUPPLY
2
V
A
Positive supply pin. This pin should be connected to a quiet +2.7V to +5.25V source and
bypassed to GND with a 1 µF capacitor and a 0.1 µF monolithic capacitor located within
1 cm of the power pin.
3 GND The ground return for the die.
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ADC122S021
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