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LTC2616_15 PDF预览

LTC2616_15

更新时间: 2024-09-26 01:11:59
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
20页 283K
描述
16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface

LTC2616_15 数据手册

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LTC2606/LTC2616/LTC2626  
16-/14-/12-Bit Rail-to-Rail DACs  
with I2C Interface  
FEATURES  
DESCRIPTION  
The LTC®2606/LTC2616/LTC2626 are single 16-, 14- and  
12-bit, 2.7V-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:  
LTC2606: 16 Bits  
LTC2616: 14 Bits  
LTC2626: 12 Bits  
n
Guaranteed 16-Bit 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
27 Selectable Addresses  
2
n
400kHz I C Interface  
n
Wide 2.7V to 5.5V Supply Range  
Low Power Operation: 270μA at 3V  
Power Down to 1μA, Max  
High Rail-to-Rail Output Drive ( 15mA, Min)  
Double-Buffered Data Latches  
Asynchronous DAC Update Pin  
LTC2606/LTC2616/LTC2626: Power-On Reset to  
n
2
Thepartsusea2-wire, I Ccompatibleserialinterface. The  
n
LTC2606/LTC2616/LTC2626 operate in both the standard  
mode (clock rate of 100kHz) and the fast mode (clock rate  
of 400kHz). An asynchronous DAC update pin (LDAC) is  
also included.  
n
n
n
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Zero Scale  
The LTC2606/LTC2616/LTC2626 incorporate a power-on  
resetcircuit.Duringpower-up,thevoltageoutputsriseless  
than 10mV above zero scale; and after power-up, they stay  
at zero scale until a valid write and update take place. The  
power-on reset circuit resets the LTC2606-1/LTC2616-1/  
LTC2626-1 to mid-scale. The voltage outputs stay at mid-  
scale until a valid write and update take place.  
n
LTC2606-1/LTC2616-1/LTC2626-1: Power-On  
Reset to Mid-Scale  
Tiny (3mm × 3mm) 10-Lead DFN Package  
n
APPLICATIONS  
n
Mobile Communications  
Process Control and Industrial Automation  
Instrumentation  
Automatic Test Equipment  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
n
n
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TYPICAL APPLICATION  
Differential Nonlinearity  
9
6
(LTC2606)  
V
CC  
REF  
1.0  
V
V
= 5V  
REF  
CC  
SCL  
0.8  
0.6  
= 4.096V  
V
OUT  
3
2
INPUT  
REGISTER  
DAC  
REGISTER  
16-BIT DAC  
7
2
0.4  
I C  
INTERFACE  
0.2  
SDA  
0
CONTROL  
LOGIC  
–0.2  
–0.4  
–0.6  
–0.8  
–1.0  
CA0  
CA1  
CA2  
4
5
1
2
I C  
0
16384  
32768  
CODE  
49152  
65535  
ADDRESS  
DECODE  
LDAC  
GND  
8
2606 G02  
10  
2606 BD  
26061626fb  
1

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