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LTC2617IDE PDF预览

LTC2617IDE

更新时间: 2024-11-09 04:43:43
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
20页 327K
描述
16-/14-/12-Bit Dual Rail-to-Rail DACs with I2C Interface

LTC2617IDE 数据手册

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LTC2607/LTC2617/LTC2627  
16-/14-/12-Bit Dual Rail-to-Rail  
DACs with I2C Interface  
U
FEATURES  
DESCRIPTIO  
The LTC®2607/LTC2617/LTC2627 are dual 16-, 14- and  
12-bit, 2.7V to 5.5V rail-to-rail voltage output DACs in a  
12-lead DFN package. They have built-in high perfor-  
mance output buffers and are guaranteed monotonic.  
Smallest Pin-Compatible Dual DACs:  
LTC2607: 16 Bits  
LTC2617: 14 Bits  
LTC2627: 12 Bits  
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,  
voltage-output DACs.  
Thepartsusea2-wire, I2Ccompatibleserialinterface. The  
LTC2607/LTC2617/LTC2627 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.  
27 Selectable Addresses  
400kHz I2CTM Interface  
Wide 2.7V to 5.5V Supply Range  
Low Power Operation: 260µA per DAC at 3V  
Power Down to 1µA, Max  
High Rail-to-Rail Output Drive (±15mA, Min)  
Ultralow Crosstalk (30µV)  
Double-Buffered Data Latches  
Asynchronous DAC Update Pin  
LTC2607/LTC2617/LTC2627: Power-On Reset to  
The LTC2607/LTC2617/LTC2627 incorporate a power-on  
resetcircuit.Duringpower-up,thevoltageoutputsriseless  
than10mVabovezeroscale;andafterpower-up, theystay  
at zero scale until a valid write and update take place. The  
power-on reset circuit resets the LTC2607-1/LTC2617-1/  
LTC2627-1 to midscale. The voltage outputs stay at  
midscale until a valid write and update takes place.  
Zero Scale  
LTC2607-1/LTC2617-1/LTC2627-1: Power-On Reset  
to Midscale  
Tiny (3mm × 4mUm) 12-Lead DFN Package  
APPLICATIO S  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners. Protected by U.S. Patents  
including 5396245 and 6891433. Patent Pending  
Mobile Communications  
Process Control and Industrial Automation  
Instrumentation  
Automatic Test Equipment  
W
BLOCK DIAGRA  
REFLO  
11  
GND  
10  
REF  
9
V
CC  
8
Differential Nonlinearity  
(LTC2607)  
1.0  
0.8  
V
OUTA  
V
OUTB  
12  
12-/14-/16-BIT DAC  
12-/14-/16-BIT DAC  
7
V
V
= 5V  
CC  
= 4.096V  
REF  
0.6  
0.4  
DAC REGISTER  
DAC REGISTER  
0.2  
0
INPUT REGISTER  
INPUT REGISTER  
–0.2  
–0.4  
–0.6  
–0.8  
–1.0  
32-BIT SHIFT REGISTER  
2-WIRE INTERFACE  
0
16384  
32768  
CODE  
49152  
65535  
2607 G02  
1
2
3
4
5
6
LDAC  
CA0  
CA1  
SCL  
SDA  
CA2  
2607 BD  
26071727f  
1

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