MAX1237MEUA-T

更新时间： 2024-11-23 13:10:19

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数据手册
替代型号

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MAX1237MEUA-T 数据手册

19-2333; Rev 2; 2/03

2.7V to 3.6V and 4.5V to 5.5V, Low-Power,

4-/12-Channel, 2-Wire Serial, 12-Bit ADCs

General Description

Features

o High-Speed I C-Compatible Serial Interface

400kHz Fast Mode

The MAX1236–MAX1239 low-power, 12-bit, multichan-

nel analog-to-digital converters (ADCs) feature internal

track/hold (T/H), voltage reference, clock, and an

1.7MHz High-Speed Mode

I C-compatible 2-wire serial interface. These devices

o Single-Supply

operate from a single supply of 2.7V to 3.6V (MAX1237/

MAX1239) or 4.5V to 5.5V (MAX1236/MAX1238) and

require only 670µA at the maximum sampling rate of

94.4ksps. Supply current falls below 230µA for sam-

pling rates under 46ksps. AutoShutdown™ powers

down the devices between conversions, reducing sup-

ply current to less than 1µA at low throughput rates.

The MAX1236/MAX1237 have four analog input chan-

nels each, while the MAX1238/MAX1239 have 12 ana-

log input channels each. The fully differential analog

inputs are software configurable for unipolar or bipolar,

and single-ended or differential operation.

2.7V to 3.6V (MAX1237/MAX1239)

4.5V to 5.5V (MAX1236/MAX1238)

o Internal Reference

2.048V (MAX1237/MAX1239)

4.096V (MAX1236/MAX1238)

o External Reference: 1V to V

o Internal Clock

o 4-Channel Single-Ended or 2-Channel Fully

Differential (MAX1236/MAX1237)

o 12-Channel Single-Ended or 6-Channel Fully

The full-scale analog input range is determined by the

internal reference or by an externally applied reference

voltage ranging from 1V to V . The MAX1237/

Differential (MAX1238/MAX1239)

o Internal FIFO with Channel-Scan Mode

MAX1239 feature a 2.048V internal reference and the

MAX1236/MAX1238 feature a 4.096V internal reference.

o Low Power

670µA at 94.4ksps

230µA at 40ksps

60µA at 10ksps

6µA at 1ksps

0.5µA in Power-Down Mode

The MAX1236/MAX1237 are available in an 8-pin µMAX

package. The MAX1238/MAX1239 are available in a 16-

pin QSOP package. The MAX1236–MAX1239 are guar-

anteed over the extended temperature range

(-40°C to +85°C). For pin-compatible 10-bit parts, refer to

the MAX1136–MAX1139 data sheet. For pin-compatible

8-bit parts, refer to the MAX1036–MAX1039 data sheet.

o Software-Configurable Unipolar/Bipolar

o Small Packages

8-Pin µMAX (MAX1236/MAX1237)

16-Pin QSOP (MAX1238/MAX1239)

Applications

Hand-Held Portable Applications

Medical Instruments

Ordering Information

Battery-Powered Test Equipment

Solar-Powered Remote Systems

Received-Signal-Strength Indicators

System Supervision

TEMP

RANGE

PIN-

PACKAGE ADDRESS (LSB)

I²C SLAVE INL

PART

MAX1236EUA -40°C to +85°C 8 µMAX

MAX1236KEUA* -40°C to +85°C 8 µMAX

MAX1236LEUA* -40°C to +85°C 8 µMAX

MAX1236MEUA* -40°C to +85°C 8 µMAX

MAX1237EUA -40°C to +85°C 8 µMAX

MAX1237KEUA* -40°C to +85°C 8 µMAX

MAX1237LEUA* -40°C to +85°C 8 µMAX

MAX1237MEUA* -40°C to +85°C 8 µMAX

*Future product—contact factory for availability.

0110100

0110000

0110010

0110110

0110100

0110000

0110010

0110110

Selector Guide

INTERNAL

REFERENCE

(V)

INPUT

CHANNELS

SUPPLY

VOLTAGE (V)

PART

MAX1236EUA

MAX1237EUA

MAX1238EEE

MAX1239EEE

4.096

2.048

4.096

2.048

4.5 to 5.5

2.7 to 3.6

4.5 to 5.5

2.7 to 3.6

Ordering Information continued at end of data sheet.

Pin Configurations appear at end of data sheet.

Typical Operating Circuit appears at end of data sheet.

AutoShutdown is a trademark of Maxim Integrated Products, Inc.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...22

中文翻译

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MAX1237MEUA-T 替代型号

型号	品牌	替代类型	描述	数据表
MAX1137EUA	MAXIM	功能相似	2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs

与MAX1237MEUA-T相关器件

型号	品牌	获取价格	描述	数据表
MAX1238	MAXIM	获取价格	2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
MAX1238	ADI	获取价格	2.7V至3.6V和4.5V至5.5V、低功耗、4/12通道、2线串口、12位ADC
MAX1238EEE	MAXIM	获取价格	2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
MAX1238EEE/V	MAXIM	获取价格	2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
MAX1238EEE/V+	MAXIM	获取价格	暂无描述
MAX1238EEE/V+T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 12 Channel, Serial Access, BICMOS, PDSO16,
MAX1238EEE+	MAXIM	获取价格	2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
MAX1238EEE+T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 12 Channel, Serial Access, BICMOS, PDSO16,
MAX1238EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1238
MAX1238KEEE	MAXIM	获取价格	2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs

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