LTC1863L Linear Technology, LTC1863L Datasheet

LTC1863L

Manufacturer Part Number

LTC1863L

Description

(LTC1863L / LTC1867L) 12-/16-Bit 8-Channel 175ksps ADCs

Manufacturer

Linear Technology

Datasheet

1.LTC1863L.pdf (16 pages)

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BLOCK DIAGRA

FEATURES

■

APPLICATIO S

■

Sample Rate: 175ksps

16-Bit No Missing Codes and ±3LSB Max INL

8-Channel Multiplexer with:

SPI/MICROWIRE

2.7V Guaranteed Supply Voltage

Pin Compatible with LTC1863/LTC1867

True Differential Inputs

On-Chip or External Reference

Low Power: 750µA at 175ksps, 300µA at 50ksps

Sleep Mode

Automatic Nap Mode Between Conversions

16-Pin Narrow SSOP Package

Industrial Process Control

High Speed Data Acquisition

Battery Operated Systems

Multiplexed Data Acquisition Systems

Imaging Systems

CH7/COM

Single Ended or Differential Inputs and

Unipolar or Bipolar Conversion Modes

CH0

CH1

CH2

CH3

CH4

CH5

CH6

ANALOG

INPUT

MUX

Serial I/O

–

INTERNAL

1.25V REF

LTC1863L/LTC1867L

SERIAL

PORT

1863L7L BD

GND

SDI

SDO

SCK

CS/CONV

REFCOMP

REF

DESCRIPTIO

The LTC

12-/16-bit A/D converters with serial I/O and an internal

reference.

The 8-channel input multiplexer can be configured for

either single-ended or differential inputs and unipolar or

bipolar conversions (or combinations thereof). The ADCs

convert 0V to 2.5V unipolar inputs or ±1.25V bipolar

inputs. The ADCs typically draw only 750µA from a single

2.7V supply. The automatic nap and sleep modes benefit

power sensitive applications.

The LTC1867L’s DC performance is outstanding with a

±3LSB INL specification and 16-bit no missing codes over

temperature.

Housed in a compact, narrow 16-pin SSOP package, the

LTC1863L/LTC1867L can be used in space-sensitive as

well as low power applications.

All other trademarks are the property of their respective owners.

, LTC and LT are registered trademarks of Linear Technology Corporation.

1863L/LTC1867L are pin compatible, 8-channel

12-/16-Bit, 8-Channel

–0.5

–1.0

–1.5

–2.0

2.0

1.5

1.0

0.5

LTC1863L/LTC1867L

Integral Nonlinearity vs Output Code

SAMPLE

= 2.7V

Micropower, 3V,

16384

= 175ksps

175ksps ADCs

(LTC1867L)

OUTPUT CODE

32768

49152

www.DataSheet4U.com

1863L7L G01

65536

1863l7lfa

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