LTC1664I

更新时间： 2024-02-01 03:36:26

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
16页	171K
描述
Micropower Quad 10-Bit DAC

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技术参数
数据手册

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LTC1664I 技术参数

是否Rohs认证：	不符合	生命周期：	Active
Reach Compliance Code：	compliant	风险等级：	5.65

LTC1664I 数据手册

Fina l Ele c tric a l Sp e c ific a tio ns

LTC1664

Mic ro p o we r Qua d

10-Bit DAC

Ja nua ry 2000

DESCRIPTIO

FEATURES

The LTC^®1664 integrates four accurate, serially addres-

sable 10-bit digital-to-analog converters (DACs) in a tiny

16-pin Narrow SSOP package. Each buffered DAC draws

just59µAtotalsupplycurrent, yetis capableofsupplying

DC output currents in excess of 5mA and reliably driving

capacitive loads of up to 1000pF. Sleep mode further

reduces total supply current to 1µA.

■

Tiny: 4 DACs in the Board Space of an SO-8

Micropower: 59µA per DAC Plus

■

1µA Sleep Mode for Extended Battery Life

Wide 2.7V to 5.5V Supply Range

Rail-to-Rail Voltage Outputs Drive 1000pF

Reference Range Includes Supply for Ratiometric

■

0V-to-V Output

■

Reference Input Has Constant Impedance over All

Codes—Eliminates External Reference Buffer

Individually Addressable DACs

Differential Nonlinearity: ≤ ±0.75LSB Max

Pin-Compatible Octal Version Available (LTC1660)

Linear Technology’s proprietary, inherently monotonic

voltage interpolation architecture provides excellent lin-

earity while allowing for an exceptionally small external

form factor.

■

Ultralow supply current, power-saving Sleep mode and

extremely compact size make the LTC1664 ideal for

battery-powered applications, while its ease of use, high

performance and wide supply range make it an excellent

choice as a general purpose converter.

APPLICATIO S

■

Mobile Communications

Remote Industrial Devices

Automatic Calibration for Manufacturing

Portable Battery-Powered Instruments

■

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

■

Trim/Adjust Applications

BLOCK DIAGRA

GND

LTC1664 Differential Nonlinearity (DNL)

10-BIT

DAC A

10-BIT

DAC D

OUT D

OUT A

= 5V

0.8

0.6

REF

= 4.096V

10-BIT

DAC B

10-BIT

DAC C

0.4

OUT B

OUT C

0.2

–0.2

–0.4

–0.6

–0.8

–1

CONTROL

LOGIC

ADDRESS

DECODER

REF

CS/LD

SCK

CLR

OUT

SHIFT REGISTER

256

512

768

1023

CODE

1664 G08

1664 BD

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tationthattheinterconnectionofits circuits as describedhereinwillnotinfringeonexistingpatentrights.

12 3 4 5 6 7...16

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