ADS7253IPW datasheet(1/71 Pages) TI1

部件名	ADS7253IPW

功能描述	Simultaneous-Sampling, Analog-to-Digital Converters

PDF	71 Pages

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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AVDD

VCM

4

1.8 nF

VIN+

-

+

OPA836

AINP

AINM

GND

AVDD

ADSxx53

4

INPUT DRIVER

ADS8353 : 16-bit, 600 kSPS

ADS7853 : 14-bit, 1 MSPS

ADS7253 : 12-bit, 1 MSPS

1k

1 k

VDC

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

Reference

Design

ADS8353, ADS7853, ADS7253

SBAS584B – OCTOBER 2013 – REVISED AUGUST 2014

ADSxx53 Dual, High-Speed, 16-, 14-, and 12-Bit,

Simultaneous-Sampling, Analog-to-Digital Converters

1 Features

2 Applications

1

•

16-, 14-, and 12-Bit, Pin-Compatible Family

•

Motor Control:

Position Measurement Using Encoders

•

Simultaneous Sampling of Two Channels

•

Optical Networking: EDFA Gain Control Loops

•

Supports Single-Ended and Pseudo-Differential

Inputs

•

Protection Relays

•

High Speed:

•

Power Quality Measurement

•

Three-Phase Power Controls

–

ADS8353: 16 Bits, 600 kSPS

•

Programmable Logic Controllers

–

ADS7853: 14 Bits, 1 MSPS

–

ADS7253: 12 Bits, 1 MSPS

3 Description

•

Excellent DC Performance:

The ADS8353, ADS7853, and ADS7253 belong to a

–

ADS8353:

family

of

pin-compatible,

dual,

high-speed,

–

16-Bit NMC DNL, ±2.5-LSB Max INL

simultaneous-sampling, analog-to-digital converters

(ADCs)

that

support

single-ended

and

pseudo-

–

ADS7853:

differential analog inputs.

–

14-Bit NMC DNL, ±2-LSB Max INL

Each device includes two individually programmable

–

ADS7253:

reference sources that can be used for system-level

–

12-Bit NMC DNL, ±1-LSB Max INL

gain calibration. Also, a flexible serial interface that

•

Excellent AC Performance:

can operate over a wide power-supply range enables

easy communication with a large variety of host

–

ADS8353:

controllers.

Power

consumption

for

a

given

–

89-dB SNR, –100-dB THD

throughput can be optimized by using the two low-

–

ADS7853:

power modes supported by the device. All devices

are fully specified over the extended industrial

–

82-dB SNR, –90-dB THD

temperature

range

(–40°C

to

125°C)

and

are

–

ADS7253:

available in pin-compatible, WQFN-16 (3-mm ×

–

72-dB SNR, –90-dB THD

3-mm) and TSSOP-16 packages.

•

Dual, Programmable, and Buffered

Device Information(1)

2.5-V Internal Reference

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Fully-Specified Over the Extended Industrial

TSSOP (16)

5.00 mm × 4.40 mm

Temperature Range: –40°C to 125°C

ADSxx53

WQFN (16)

3.00 mm × 3.00 mm

•

Small Footprint:

WQFN-16 (3-mm × 3-mm) and TSSOP-16

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Typical Application Diagram

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

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