Datasheet > AS1539_1

AS1539_1

更新时间： 2024-11-09 06:37:43

品牌	Logo	应用领域
艾迈斯 - AMSCO		转换器
页数	文件大小	规格书
20页	747K
描述
8/4-Channel, 10-Bit I2C Analog-to-Digital Converter

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AS1539_1 数据手册

Data Sheet

AS1539/AS1541

8/4-Channel, 10-Bit I²C Analog-to-Digital Converter

1 General Description

2 Key Features

ꢀ

Single Supply: 2.7 to 5.25V

8-Channel Multiplexer (AS1539)

4-Channel Multiplexer (AS1541)

Sampling Rate: 50kSPS

The AS1539/AS1541 are single-supply, low-power,

10-bit data acquisition devices featuring a serial I²C

interface and an 8-channel (AS1539) or 4-channel

(AS1541) multiplexer.

The analog-to-digital (A/D) converters features a sam-

ple-and-hold amplifier an internal asynchronous clock

and an internal reference.

The combination of an I²C serial, 2-wire interface and

micropower consumption makes the AS1539 and

AS1541 ideal for applications requiring the A/D con-

verter to be close to the input source in remote locations

and for applications requiring isolation.

No Missing Codes

Internal Reference: 2.5V

High Speed I²C Interface at 3.4MHz

<1.5µA Full Shutdown Current

TSSOP-16 or TQFN 4x4 16-pin Package

The device is available in a TSSOP-16 or TQFN 4x4 16-

pin package.

3 Applications

The device is ideal for voltage-supply monitoring, iso-

lated data acquisition, transducer interfaces, battery-

operated systems, remote data acquisition or any other

analog-to-digital conversion application.

Figure 1. Block Diagram

CH0

SDA

Successive Approximation Register

CH1

CH2

CH3

CH4

CH5

CH6

CH7

Serial

Interface

SCL

AS1539/AS1541

8-Channel

MUX

Sample/

Hold

Amp

Comparator

CDAC

COM

Internal

2.5V

Reference

Buffer

REFIN/OUT

GND

www.austriamicrosystems.com

Revision 1.03

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12 3 4 5 6 7...20

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