SNAD01C 查看數據表（PDF） - Sonix Technology Co., Ltd

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SNAD01C

8-CHANNEL 8-BIT ADC

Sonix Technology Co., Ltd 

SNAD01C

8-CHANNEL 8-BIT ADC

4. BLOCK DIAGRAM

VRH

CH0/DI0

CH1/DI1

CH2/DI2

CH3/DI3

CH4/DI4

CH5/DI5

CH6/DI6

CH7(BAT)/DI7

AVDD

1.2V Bandgap

Reference

8-Channels

Analog/Digital

Input MUX

VDD

D

12 Bit SAR

ADC

Serial

Interface

and

Control

Logic

START

CLK

DIO

AVSS

VSSD

Figure-1 Block diagram of ADC

5. PIN ASSIGNMENTS

Pin Name

CH[7] ~ CH[0]

REF

VDD

VSS

AVDD

AVSS

START

CLK

DIO

I/O

Description

I Analog input / digital input

I Reference voltage of analog signal

I Positive power

I Negative power

I Positive power of analog circuit

I Negative power of analog circuit

I Command initialization signal (from host controller)

I Clock of data communication and AD conversion (from

host controller)

IO Data input and output of data communication

Table-1

Version: 1.5

4

July 31, 2003

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