MAX11647EUA+T【PDF 1/22 页】IC ADC 10BIT I2C 94.4KSPS 8UMAX

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General Description

The MAX11646/MAX11647 low-power, 10-bit, 1-/2-

channel analog-to-digital converters (ADCs) feature

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

an I2C-compatible 2-wire serial interface. These

devices operate from a single supply of 2.7V to 3.6V

(MAX11647) or 4.5V to 5.5V (MAX11646) and require

only 6A at a 1ksps sample rate. AutoShutdown pow-

ers down the devices between conversions, reducing

supply current to less than 1A at lower throughput

rates. The MAX11646/MAX11647 each measure two

single-ended or one differential input. The fully differen-

tial 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 VDD. The MAX11647 fea-

tures a 2.048V internal reference and the MAX11646

features a 4.096V internal reference.

The MAX11646/MAX11647 are available in an ultra-tiny

1.9mm x 2.2mm WLP package and an 8-pin MAX

package. These ADCs are guaranteed over the extend-

ed temperature range (-40°C to +85°C). For pin-com-

patible 12-bit parts, refer to the MAX11644/MAX11645

data sheet.

Applications

Handheld Portable Applications

Medical Instruments

Battery-Powered Test Equipment

Power-Supply Monitoring

Solar-Powered Remote Systems

Received-Signal-Strength Indicators

System Supervision

Features

Ultra-Tiny 1.9mm x 2.2mm Wafer Level Package

High-Speed I2C-Compatible Serial Interface

400kHz Fast Mode

1.7MHz High-Speed Mode

Single Supply

2.7V to 3.6V (MAX11647)

4.5V to 5.5V (MAX11646)

Internal Reference

2.048V (MAX11647)

4.096V (MAX11646)

External Reference: 1V to VDD

Internal Clock

2-Channel Single-Ended or 1-Channel Fully

Differential

Internal FIFO with Channel-Scan Mode

Low Power

670A at 94.4ksps

230A at 40ksps

60A at 10ksps

6A at 1ksps

0.5A in Power-Down Mode

Software-Configurable Unipolar/Bipolar

MAX11646/MAX11647

Low-Power, 1-/2-Channel, I2C, 10-Bit ADCs

in Ultra-Tiny 1.9mm x 2.2mm Package

________________________________________________________________

Maxim Integrated Products

Ordering Information

19-5134; Rev 1; 9/10

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.

EVALUATION

KIT

AVAILABLE

PART

TEMP RANGE

PIN-

PACKAGE

I2C SLAVE

ADDRESS

MAX11646EUA+

-40°C to +85°C 8 μMAX

0110110

MAX11647EUA+

-40°C to +85°C 8 μMAX

0110110

MAX11647EWC+

-40°C to +85°C 12 WLP

0110110

AutoShutdown is a trademark of Maxim Integrated Products, Inc.

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

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

Typical Operating Circuit and Selector Guide appear at end

of data sheet.

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