Datasheet > LTC1663I

LTC1663I

更新时间： 2024-01-26 01:21:01

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	198K
描述
10-Bit Rail-to-Rail Micropower DAC with 2-Wire Interface

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LTC1663I 数据手册

LTC1663

10-Bit Rail-to-Rail

Micropower DAC with 2-Wire Interface

DESCRIPTIO

FEATURES

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

■

Micropower 10-Bit DAC in SOT-23

■

Low Operating Current: 60µA

■

Ultralow Power Shutdown Mode: 10µA

■

2-Wire Serial Interface Compatible

with SMBus and I²C^TM

■

Single 2.7V to 5.5V Operation

■

Selectable Internal Reference or Ratiometric to V_CC

Buffered True Rail-to-Rail Voltage Output

Maximum DNL Error: 0.75LSB

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 I²C 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

8 User Selectable Addresses (MSOP Package)

0.6V V_ILand 1.4V V_IHfor SDA and SCL

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

APPLICATIO S

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.

I²C is a trademark of Philips Electronics N.V.

■

Digital Calibration

■

Offset/Gain Adjustment

■

Industrial Process Control

■

Automatic Test Equipment

■

Arbitrary Function Generators

■

Battery-Powered Data Conversion Products

BLOCK DIAGRA

4 (5)

BANDGAP

1.25V

Differential Nonlinearity (DNL)

REFERENCE

1.0

REF

= V = 5V

0.8

0.6

REFERENCE

SELECT

= 25°C

0.4

0.2

10-BIT

–

DAC LATCH

OUT

3 (8)

–0.2

–0.4

–0.6

–0.8

–1.0

COMMAND

LATCH

INPUT

LATCH

MSOP

PACKAGE

ONLY

28 156 384

512

CODE

640 1024

768 896

(6)

(2)

(3)

AD0

AD1

AD2

2-WIRE INTERFACE

1663 G02

SDA

SCL

GND

1663 BD

1 (1)

5 (4)

2 (7)

NOTE: PIN NUMBERS IN PARENTHESES REFER TO THE MSOP PACKAGE

12 3 4 5 6 7...12

中文翻译

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