MCP3208-CIP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP3208-CIP

2.7V 4-Channel/8-Channel 12-Bit A/D Converters with SPI® Serial Interface

Microchip Technology 

MCP3204/3208

CS

CLK

DIN

DOUT

tSUCS

tSU

tHD

MSB IN

tHI

tLO

tCSH

tDO

tR

tEN

NULL BIT MSB OUT

tF

tDIS

LSB

FIGURE 1-1: Serial Interface Timing.

Load circuit for tR, tF, tDO

1.4V

DOUT

3K

Test Point

CL = 100pF

DOUT

Load circuit for tDIS and tEN

Test Point

VDD

tDIS Waveform 2

3K

VDD/2

tEN Waveform

100pF

VSS

tDIS Waveform 1

Voltage Waveforms for tR, tF

Voltage Waveforms for tEN

DOUT

tR

VOH

VOL

tF

Voltage Waveforms for tDO

CLK

tDO

DOUT

FIGURE 1-2: Test Circuits.

CS

123

4

CLK

DOUT

B11

tEN

Voltage Waveforms for tDIS

CS

VIH

DOUT

Waveform 1*

TDIS

90%

DOUT

Waveform 2†

10%

* Waveform 1 is for an output with internal condi-

tions such that the output is high, unless dis-

abled by the output control.

† Waveform 2 is for an output with internal condi-

tions such that the output is low, unless disabled

by the output control.

DS21298B-page 4

Preliminary

© 1999 Microchip Technology Inc.

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