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參數資料
型號: LTC7543KSW#TR
廠商: Linear Technology
文件頁數: 1/8頁
文件大小: 0K
描述: IC DAC 12BIT SERIAL MULTI 16SOIC
標準包裝: 1,000
設置時間: 250ns
位數: 12
數據接口: 串行
轉換器數目: 1
電壓電源: 單電源
功率耗散(最大): 550µW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 16-SOIC
包裝: 帶卷 (TR)
輸出數目和類型: 2 電流,單極;2 電流,雙極
采樣率(每秒): *
1
LTC7543/LTC8143
Improved Industry Standard
Serial 12-Bit Multiplying DACs
s
Improved Direct Replacement for AD7543
and DAC-8143
s
Low Cost
s
DNL and INL Over Temperature:
±0.5LSB
s
Easy, Fast and Flexible Serial Interface
s
Daisy-Chain 3-Wire Interface for Multiple DAC
Systems (LTC8143)
s
1LSB Maximum Gain Error Over Temperature
Eliminates Adjustment
s
Asynchronous Clear Input for Initialization
s
Four-Quadrant Multiplication
s
Low Power Consumption
s
16-Pin PDIP and SO Packages
The LTC
7543/LTC8143 are serial-input 12-bit multiply-
ing digital-to-analog converters (DACs). They are superior
pin compatible replacements for the AD7543 and
DAC-8143. Improvements include better accuracy, better
stability over temperature and supply variations, lower
sensitivity to output amplifier offset, tighter timing speci-
fications and lower output capacitance.
An easy-to-use serial interface includes an asynchronous
CLEAR input for systems requiring initialization to a known
state. The LTC8143 has a serial data output to allow daisy-
chaining multiple DACs on a 3-wire interface bus.
These DACs are extremely versatile. They can be used for
2-quadrant and 4-quadrant multiplying, programmable
gain and single supply applications, such as noninverting
voltage output and biased or offset ground mode.
Parts are available in 16-pin PDIP and SO packages and
are specified over the extended industrial temperature
range, – 40
°C to 85°C.
FEATURES
DESCRIPTION
U
s
Process Control and Industrial Automation
s
Remote Microprocessor-Controlled Systems
s
Digitally Controlled Filters and Power Supplies
s
Programmable Gain Amplifiers
s
Automatic Test Equipment
APPLICATIONS
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
U
Multiplying DAC Has Easy 3-Wire Serial Interface
VDD VREF
LTC7543
LTC8143
RFB
AGND
DGND
3
12
4
7
5
2
14
5V
VIN
CLOCK
DATA
LOAD
STB1
SRI
LD1
15
16
1
OUT 1
33pF
VOUT
7543/8143 TA01
OUT 2
+
LT
1097
Integral Nonlinearity Over Temperature
DIGITAL INPUT CODE
0
INTEGRAL
NONLINEARITY
(LSB)
4095
7543/8143 TA02
1024
2048
3072
1.0
0.5
0
–0.5
–1.0
512
1536
2560
3584
TA = 85°C
TA = 25°C
TA = –40°C
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LTC7545ABG#TR 功能描述:IC D/ACONV MULTIPLY 12BIT 20SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色產品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 標準包裝:91 系列:- 設置時間:4µs 位數:10 數據接口:MICROWIRE?,串行,SPI? 轉換器數目:8 電壓電源:單電源 功率耗散(最大):2.7mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-DFN-EP(4x3) 包裝:管件 輸出數目和類型:8 電壓,單極 采樣率(每秒):*
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