MCP3221A7-E/OT

更新时间： 2024-11-30 04:40:23

品牌	Logo	应用领域
美国微芯 - MICROCHIP		转换器
页数	文件大小	规格书
28页	663K
描述
Low Power 12-Bit A/D Converter With I2C⑩ Interface

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MCP3221A7-E/OT 数据手册

MCP3221

Low Power 12-Bit A/D Converter With I²C™ Interface

Features

Description

• 12-bit resolution

The Microchip Technology Inc. MCP3221 is a

successive approximation A/D converter with 12-bit

resolution. Available in the SOT-23-5 package, this

device provides one single-ended input with very low

power consumption. Based on an advanced CMOS

technology, the MCP3221 provides a low maximum

conversion current and standby current of 250 µA and

1 µA, respectively. Low current consumption,

combined with the small SOT-23 package, make this

device ideal for battery-powered and remote data

acquisition applications.

• ±1 LSB DNL, ±2 LSB INL max.

• 250 µA max conversion current

• 5 nA typical standby current, 1 µA max.

• I²C™-compatible serial interface

- 100 kHz I²C Standard Mode

- 400 kHz I²C Fast Mode

• Up to 8 devices on a single 2-Wire bus

• 22.3 ksps in I²C Fast Mode

• Single-ended analog input channel

• On-chip sample and hold

Communication to the MCP3221 is performed using a

2-wire, I²C compatible interface. Standard (100 kHz)

and Fast (400 kHz) I²C modes are available with the

device. An on-chip conversion clock enables

independent timing for the I²C and conversion clocks.

The device is also addressable, allowing up to eight

devices on a single 2-wire bus.

• On-chip conversion clock

• Single-supply specified operation: 2.7V to 5.5V

• Temperature range:

- Industrial: -40°C to +85°C

- Extended: -40°C to +125°C

• Small SOT-23-5 package

The MCP3221 runs on a single supply voltage that

operates over a broad range of 2.7V to 5.5V. This

device also provides excellent linearity of ±1 LSB

differential non-linearity and ±2 LSB integral non-lin-

earity, maximum.

Applications

• Data Logging

• Multi-zone Monitoring

Functional Block Diagram

• Hand-Held Portable Applications

• Battery-Powered Test Equipment

• Remote or Isolated Data Acquisition

V_DD

V_SS

Package Type

5-Pin SOT-23

DAC

Comparator

–

12-bit SAR

Sample

and

Hold

SCL

SDA

V_DD

A_IN

Clock

V_SS

I²C™ Interface

SCL SDA

Control Logic

A_IN

DS21732C-page 1

12 3 4 5 6 7...28

中文翻译

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与MCP3221A7-E/OT相关器件

型号	品牌	获取价格	描述	数据表
MCP3221A7-I/OT	MICROCHIP	获取价格	Low Power 12-Bit A/D Converter With I2C⑩ Inte
MCP3221A7T-E/OT	MICROCHIP	获取价格	Low Power 12-Bit A/D Converter With I2C⑩ Inte
MCP3221A7T-I/OT	MICROCHIP	获取价格	Low Power 12-Bit A/D Converter With I2C⑩ Inte
MCP3221T	MICROCHIP	获取价格	Low Power 12-Bit A/D Converter With I2C⑩ Inte
MCP3301	MICROCHIP	获取价格	13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface
MCP3301_07	MICROCHIP	获取价格	13-Bit Differential Input, Low Power A/D Conv
MCP3301_11	MICROCHIP	获取价格	13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface
MCP3301-BI/MS	MICROCHIP	获取价格	13-Bit Differential Input, Low Power A/D Conv
MCP3301-BI/P	MICROCHIP	获取价格	13-Bit Differential Input, Low Power A/D Conv
MCP3301-BI/SN	MICROCHIP	获取价格	13-Bit Differential Input, Low Power A/D Conv

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