LTC1669IMS8PBF Linear Technology Corporation, LTC1669IMS8PBF Datasheet

LTC1669IMS8PBF

Manufacturer Part Number

LTC1669IMS8PBF

Description

MSOP8

Manufacturer

Linear Technology Corporation

Datasheets

1.LTC1669IMS8PBF.pdf (12 pages)

2.LTC1669IMS8PBF.pdf (16 pages)

Specifications of LTC1669IMS8PBF

Date_code

09+

Current page: 1 of 12
Download datasheet (184Kb)

APPLICATIO S

FEATURES

BLOCK DIAGRA

PACKAGE

Micropower 10-Bit DAC in SOT-23

Low Operating Current: 60 A

Ultralow Power Shutdown Mode: 12 A

2-Wire Serial Interface Compatible

with I

Selectable Internal Reference or Ratiometric to V

Maximum DNL Error: 0.75LSB

8 User Selectable Addresses (MSOP Package)

Single 2.7V to 5.5V Operation

Buffered True Rail-to-Rail Voltage Output

Power-On Reset

1.5V V

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

Digital Calibration

Offset/Gain Adjustment

Industrial Process Control

Automatic Test Equipment

Arbitrary Function Generators

Battery-Powered Data Conversion Products

MSOP

ONLY

(6)

(2)

(3)

NOTE: PIN NUMBERS IN PARENTHESES REFER TO THE MSOP PACKAGE

AD0

AD1

AD2

and 2.1V V

COMMAND

LATCH

2-WIRE INTERFACE

SDA

1 (1)

DAC LATCH

for SDA and SCL

LATCH

10-BIT

INPUT

SCL

5 (4)

1.25V

REFERENCE

BANDGAP

REFERENCE

SELECT

10-BIT BUFFERED V

4 (5)

Micropower DAC with I

OUT

GND

2 (7)

DAC

DESCRIPTIO

The LTC

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 I

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. The LTC1669 is pin-for-pin compatible with the

LTC1663.

C is a trademark of Philips Electronics N.V.

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

OUT

1669 BD

1669 is a 10-bit voltage output DAC with true

3 (8)

C that allows communication between many

– 0.2

– 0.4

– 0.6

– 0.8

–1.0

1.0

0.8

0.6

0.4

0.2

10-Bit Rail-to-Rail

Differential Nonlinearity (DNL)

REF

= 25 C

= V

156

= 5V

C Interface

384

CODE

512 640

LTC1669

768 896 1024

1669 G02

1669f

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