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LTC2611 PDF预览

LTC2611

更新时间: 2023-12-20 18:44:57
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
16页 241K
描述
10 引脚 DFN 封装的 14 位轨至轨 DAC

LTC2611 数据手册

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LTC2601/LTC2611/LTC2621  
16-/14-/12-Bit Rail-to-Rail  
DACs in 10-Lead DFN  
FEATURES  
DESCRIPTION  
The LTC®2601/LTC2611/LTC2621 are single 16-, 14- and  
12-bit, 2.5V-to-5.5V rail-to-rail voltage output DACs in a  
10-leadDFNpackage.Theyhavebuilt-inhighperformance  
output buffers and are guaranteed monotonic.  
n
Smallest Pin-Compatible Single DACs:  
LTC2601: 16 Bits  
LTC2611: 14 Bits  
LTC2621: 12 Bits  
n
Guaranteed Monotonic Over Temperature  
These parts establish new board-density benchmarks for  
16- and 14-bit DACs and advance performance standards  
for output drive and load regulation in single-supply, volt-  
age-output DACs.  
n
Wide 2.5V to 5.5V Supply Range  
n
Low Power Operation: 300μA at 3V  
n
Power Down to 1μA, Max  
n
High Rail-to-Rail Output Drive ( 15mA, Min)  
n
ThepartsuseasimpleSPI/MICROWIREcompatible3-wire  
serial interface which can be operated at clock rates up to  
50MHz. Daisy-chain capability, hardware CLR and asyn-  
chronous DAC update (LDAC) pins are included.  
Double-Buffered Data Latches  
Asynchronous DAC Update Pin  
n
n
LTC2601-1/LTC2611-1/LTC2621-1: Power-On Reset  
to Midscale  
Tiny (3mm × 3mm) 10-Lead DFN Package  
n
The LTC2601/LTC2611/LTC2621 incorporate a power-on  
reset circuit. During power-up, the voltage outputs rise  
less than 10mV above zero scale until a valid write and  
update take place. The power-on reset circuit resets the  
LTC2601-1/LTC2611-1/LTC2621-1 to midscale. The volt-  
age outputs stay at midscale until a valid write and update  
take place.  
APPLICATIONS  
n
Mobile Communications  
n
Process Control and Industrial Automation  
n
Instrumentation  
Automatic Test Equipment  
n
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Protected by U.S. Patents including 5396245.  
TYPICAL APPLICATION  
Differential Nonlinearity (LTC2601)  
6
9
SDI  
REF  
V
CC  
1.0  
2
V
V
= 5V  
REF  
CC  
0.8  
0.6  
= 4.096V  
SCK  
0.4  
3
0.2  
0
32-BIT  
SHIFT  
REGISTER  
V
OUT  
INPUT  
DAC  
REGISTER  
12-/14-/16-BIT DAC  
7
–0.2  
–0.4  
–0.6  
–0.8  
–1.0  
REGISTER  
CS/LD  
5
1
CONTROL  
DECODE  
LOGIC  
0
16384  
32768  
CODE  
49152  
65535  
2600 TA01b  
SDO  
LDAC  
CLR  
4
GND  
8
10  
2601 TA01a  
2601fb  
1

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