Datasheet > MAX1239MEE/PR2-T

MAX1239MEE/PR2-T

更新时间： 2024-11-27 09:52:19

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理光电二极管
页数	文件大小	规格书
22页	372K
描述
ADC, Successive Approximation, 12-Bit, 1 Func, 12 Channel, Serial Access, BICMOS, PDSO16, QSOP-16

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MAX1239MEE/PR2-T 数据手册

19-2333; Rev 7; 5/10

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

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

6–MAX1239

General Description

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

Features

♦ High-Speed I C-Compatible Serial Interface

400kHz Fast Mode

1.7MHz High-Speed Mode

♦ Single-Supply

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

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)

♦ Internal Reference

2.048V (MAX1237/MAX1239)

4.096V (MAX1236/MAX1238)

♦ External Reference: 1V to V

♦ Internal Clock

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

Differential (MAX1236/MAX1237)

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

Differential (MAX1238/MAX1239)

♦ Internal FIFO with Channel-Scan Mode

♦ Low Power

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/

670µA at 94.4ksps

230µA at 40ksps

MAX1239 feature a 2.048V internal reference and the

MAX1236/MAX1238 feature a 4.096V internal reference.

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.

60µA at 10ksps

6µA at 1ksps

0.5µA in Power-Down Mode

♦ Software-Configurable Unipolar/Bipolar

♦ Small Packages

8-Pin µMAX (MAX1236/MAX1237)

16-Pin QSOP (MAX1238/MAX1239)

Applications

Solar-Powered Remote

Systems

Received-Signal-Strength

Indicators

System Supervision

Ordering Information

Handheld Portable

Applications

Medical Instruments

Battery-Powered Test

Equipment

PIN-

I C SLAVE

PART

TEMP RANGE

PACKAGE ADDRESS

MAX1236EUA+

MAX1237EUA+

MAX1238EEE+

-40°C to +85°C 8 µMAX

-40°C to +85°C 16 QSOP

0110100

0110101

MAX1238EEE/V+ -40°C to +85°C 16 QSOP

MAX1239EEE+ -40°C to +85°C 16 QSOP

Selector Guide

+Denotes a lead(Pb)-free/RoHS-compliant package.

/V denotes an automotive qualified part.

INTERNAL

SUPPLY

REFERENCE VOLTAGE

INPUT

PART

INL

(LSB)

CHANNELS

(V)

MAX1236

MAX1237

MAX1238

MAX1239

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

AutoShutdown is a trademark of Maxim Integrated Products, Inc.

µMAX is a registered trademark of Maxim Integrated Products, Inc.

Pin Configurations and Typical Operating Circuit appear at

end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...22

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与MAX1239MEE/PR2-T相关器件

型号	品牌	获取价格	描述	数据表
MAX1239MEEE	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
MAX1239MEEE+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 12 Channel, Serial Access, BICMOS, PDSO16,
MAX1239MEEE+T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 12 Channel, Serial Access, BICMOS, PDSO16,
MAX1239MEEE-T	ROCHESTER	获取价格	12-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16, 0.150 INCH, 0.025 INCH P
MAX1240	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240	ADI	获取价格	+2.7V、低功耗、12位串行ADC，8引脚SO封装
MAX1240_10	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240_101	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240ACPA	MAXIM	获取价格	+2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO
MAX1240ACPA	ROCHESTER	获取价格	1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8, PLASTIC, DIP-8

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