ADC0804-1LCN datasheet(11/18 Pages) PHILIPS

部件名	ADC0804-1LCN

功能描述	CMOS 8-bit A/D converters

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

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Philips Semiconductors

Product data

ADC0803/0804

CMOS 8-bit A/D converters

2002 Oct 17

11

NOTE:

The VREF/2 voltage is either 1/2 the VCC voltage or is that which is forced at Pin 9.

VREF/2

VCC

20

VREF

R

DIGITAL

CIRCUITS

ANALOG

CIRCUITS

810

9

SL00021

Figure 6. Internal Reference Design

(5V)

VREF

FS

OFFSET

ADJUST

ZS

OFFSET

ADJUST

330

Ω

0.1

µF

TO VREF/2

TO VIN(–)

+

–

SL00022

Figure 7. Offsetting the Zero Scale and Adjusting the Input

Range (Span)

VOLTAGE

REFERENCE

VREF/2

a. Fixed Reference

b. Fixed Reference Derived from VCC

c. Optional Full

Scale Adjustment

VIN(+)

VIN(–)

VCC

+5V

+

VREF/2

10

µF

A/D

VIN(+)

VIN(–)

VCC

VREF/2

+

10

µF

+5V

2 k

Ω

100

Ω

SL00023

2 k

Ω

2 k

Ω

2 k

Ω

Figure 8. Absolute Mode of Operation

类似零件编号 - ADC0804-1LCN

制造商	部件名	数据表	功能描述
Texas Instruments	ADC0804-N	3Mb / 48P	[Old version datasheet] CMOS 8-bit successive approximation A/D converters that use a differential potentiometric ladder

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