MAX1138EEE Maxim Integrated, MAX1138EEE Datasheet

MAX1138EEE

Manufacturer Part Number

MAX1138EEE

Description

Analog to Digital Converters - ADC

Manufacturer

Maxim Integrated

Datasheet

1.MAX1138EEE.pdf (22 pages)

Specifications of MAX1138EEE

Number Of Channels

12/6

Architecture

SAR

Conversion Rate

94.4 KSPs

Resolution

10 bit

Input Type

Single-Ended/Differential

Snr

Yes

Interface Type

I2C

Operating Supply Voltage

4.5 V to 5.5 V

Maximum Operating Temperature

+ 85 C

Mounting Style

SMD/SMT

Package / Case

QSOP-16

Maximum Power Dissipation

666.7 mW

Minimum Operating Temperature

- 40 C

Number Of Converters

Voltage Reference

Internal 4.096 V

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Part Number:

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Company:

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Part Number:

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Manufacturer:

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Quantity:

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Hand-Held Portable

Applications

Medical Instruments

Battery-Powered Test

Equipment

19-2334; Rev 6; 3/10

The MAX1136–MAX1139 low-power, 10-bit, multichannel

analog-to-digital converters (ADCs) feature internal

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

operate from a single supply of 2.7V to 3.6V (MAX1137/

MAX1139) or 4.5V to 5.5V (MAX1136/MAX1138) and

require only 670µA at the maximum sampling rate of

94.4ksps. Supply current falls below 230µA for sampling

rates under 46ksps. AutoShutdown™ powers down the

devices between conversions, reducing supply current to

less than 1µA at low throughput rates. The

MAX1136/MAX1137 have four analog input channels

each, while the MAX1138/MAX1139 have 12 analog input

channels each. The fully differential analog inputs are

software configurable for unipolar or bipolar, and single

ended or differential operation.

The full-scale analog input range is determined by the

internal reference or by an externally applied reference

voltage ranging from 1V to V

MAX1139 feature a 2.048V internal reference and the

MAX1136/MAX1138 feature a 4.096V internal reference.

The MAX1136/MAX1137 are available in an 8-pin µMAX

package. The MAX1138/MAX1139 are available in a

16-pin QSOP package. The MAX1136–MAX1139 are

guaranteed over the extended temperature range

(-40°C to +85°C). For pin-compatible 12-bit parts, refer to

the MAX1236–MAX1239 data sheet. For pin-compatible

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

AutoShutdown is a trademark of Maxim Integrated Products, Inc.

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

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.

MAX1136

MAX1137

MAX1138

MAX1139

C-compatible 2-wire serial interface. These devices

PART

CHANNELS

INPUT

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

________________________________________________________________ Maxim Integrated Products

4-/12-Channel, 2-Wire Serial 10-Bit ADCs

General Description

REFERENCE

INTERNAL

4.096

2.048

4.096

2.048

Solar-Powered Remote

Systems

Received-Signal-Strength

Indicators

System Supervision

(V)

Selector Guide

Applications

. The MAX1137/

VOLTAGE

4.5 to 5.5

2.7 to 3.6

4.5 to 5.5

2.7 to 3.6

SUPPLY

(V)

(LSB)

INL

±1

o High-Speed I

o Single-Supply

o Internal Reference

o External Reference: 1V to V

o Internal Clock

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

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

o Internal FIFO with Channel-Scan Mode

o Low Power

o Software-Configurable Unipolar/Bipolar

o Small Packages

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

Pin Configurations and Typical Operating Circuit appear at

end of data sheet.

MAX1136EUA+

MAX1137EUA+

MAX1138EEE+

MAX1139EEE+

Differential (MAX1136/MAX1137)

Differential (MAX1138/MAX1139)

400kHz Fast Mode

1.7MHz High-Speed Mode

2.7V to 3.6V (MAX1137/MAX1139)

4.5V to 5.5V (MAX1136/MAX1138)

2.048V (MAX1137/MAX1139)

4.096V (MAX1136/MAX1138)

670µA at 94.4ksps

230µA at 40ksps

60µA at 10ksps

6µA at 1ksps

0.5µA in Power-Down Mode

8-Pin µMAX (MAX1136/MAX1137)

16-Pin QSOP (MAX1138/MAX1139)

PART

C-Compatible Serial Interface

-40°C to +85°C

TEMP RANGE

Ordering Information

PIN-

PACKAGE

8 µMAX

16 QSOP

Features

ADDRESS

0110100

0110101

C SLAVE

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