LTC1663C datasheet, PDF - EEWORLD Datasheet

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LTC1663C: Description10-Bit Rail-to-Rail Micropower DAC with 2-Wire Interface; File Size164KB，12 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTC1663C Overview

10-Bit Rail-to-Rail Micropower DAC with 2-Wire Interface

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LTC1663

10-Bit Rail-to-Rail

Micropower DAC with 2-Wire Interface

FEATURES

DESCRIPTIO

Micropower 10-Bit DAC in SOT-23

Low Operating Current: 60µA

Ultralow Power Shutdown Mode: 10µA

2-Wire Serial Interface Compatible

with SMBus and I

Single 2.7V to 5.5V Operation

Selectable Internal Reference or Ratiometric to V

Buffered True Rail-to-Rail Voltage Output

Maximum DNL Error: 0.75LSB

Power-On Reset

8 User Selectable Addresses (MSOP Package)

0.6V V

and 1.4V V

for SDA and SCL

Small 5-Lead SOT-23 and 8-Lead MSOP Packages

The LTC

1663 is a 10-bit voltage output DAC with true

buffered rail-to-rail output voltage capability. It operates

from a single supply with a range of 2.7V to 5.5V. The

reference for the DAC is selectable between the supply

voltage or an internal bandgap reference. Selecting the

internal bandgap reference will set the full-scale output

voltage range to 2.5V. Selecting the supply as the refer-

ence sets the output voltage range to the supply voltage.

The part features a simple 2-wire serial interface compat-

ible with SMBus and I

C that allows communication

between many devices. The internal data registers are

double buffered to allow for simultaneous update of

several devices at once. The DAC can be put in low current

power-down mode for use in power conscious systems.

Power-on reset ensures the DAC output is at 0V when

power is initially applied, and all internal registers are

cleared.

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

C is a trademark of Philips Electronics N.V.

APPLICATIO S

Digital Calibration

Offset/Gain Adjustment

Industrial Process Control

Automatic Test Equipment

Arbitrary Function Generators

Battery-Powered Data Conversion Products

BLOCK DIAGRA

4 (5)

1.25V

BANDGAP

REFERENCE

1.0

0.8

0.6

0.4

ERROR (LSB)

REFERENCE

SELECT

10-BIT

DAC LATCH

–

OUT

3 (8)

MSOP

PACKAGE

ONLY

(6) AD0

(2) AD1

(3) AD2

COMMAND

LATCH

INPUT

LATCH

2-WIRE INTERFACE

SDA

1 (1)

SCL

5 (4)

GND

2 (7)

1663 BD

NOTE: PIN NUMBERS IN PARENTHESES REFER TO THE MSOP PACKAGE

Differential Nonlinearity (DNL)

REF

= V

= 5V

= 25°C

0.2

– 0.2

– 0.4

– 0.6

– 0.8

–1.0

156 384 512 640 768 896 1024

CODE

1663 G02

LTC1663C Related Products

	LTC1663C	LTC1663I
Description	10-Bit Rail-to-Rail Micropower DAC with 2-Wire Interface	10-Bit Rail-to-Rail Micropower DAC with 2-Wire Interface

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