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LTC2605_15 PDF预览

LTC2605_15

更新时间: 2024-02-13 10:45:08
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
18页 280K
描述
Octal 16-/14-/12-Bit Rail-to Rail DACs in 16-Lead SSOP

LTC2605_15 数据手册

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LTC2605/LTC2615/LTC2625  
Octal 16-/14-/12-Bit  
Rail-to Rail DACs in 16-Lead SSOP  
FEATURES  
DESCRIPTION  
The LTC®2605/LTC2615/LTC2625 are octal 16-, 14- and  
12-bit, 2.7V to 5.5V rail-to-rail voltage-output DACs  
in 16-lead narrow SSOP packages. They have built-in  
high performance output buffers and are guaranteed  
monotonic.  
n
Smallest Pin-Compatible Octal DACs:  
LTC2605: 16 Bits  
LTC2615: 14 Bits  
LTC2625: 12 Bits  
n
Guaranteed Monotonic Over Temperature  
2
n
400kHz I C Interface  
These parts establish new board-density benchmarks  
for 16-/14-bit DACs and advance performance standards  
for output drive, crosstalk and load regulation in single  
supply, voltage-output multiples.  
n
Wide 2.7V to 5.5V Supply Range  
n
Low Power Operation: 250μA per DAC at 3V  
n
Individual Channel Power-Down to 1μA (Max)  
n
Ultralow Crosstalk Between DACs (<10μV)  
2
n
Thepartsusethe2-wireI Ccompatibleserialinterface.The  
High Rail-to-Rail Output Drive ( 15mA, Min)  
n
LTC2605/LTC2615/LTC2625 operate in both the standard  
mode (maximum clock rate of 100kHz) and the fast mode  
(maximum clock rate of 400kHz).  
Double-Buffered Digital Inputs  
27 Selectable Addresses  
n
n
LTC2605/LTC2615/LTC2625: Power-On Reset to  
Zero-Scale  
The LTC2605/LTC2615/LTC2625 incorporate a power-on  
resetcircuit.Duringpower-up,thevoltageoutputsriseless  
than10mVabovezero-scale;andafterpower-up,theystay  
at zero-scale until a valid write and update take place. The  
power-on reset circuit resets the LTC2605-1/\LTC2615-1/  
LTC2625-1 to mid-scale. The voltage output stays at mid-  
scale until a valid write and update takes place.  
n
LTC2605-1/LTC2615-1/LTC2625-1: Power-On Reset  
to Mid-Scale  
Tiny 16-Lead Narrow SSOP Package  
n
APPLICATIONS  
n
Mobile Communications  
n
Process Control and Industrial Automation  
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
Instrumentation  
Automatic Test Equipment  
n
TYPICAL APPLICATION  
GND  
1
16  
15  
V
V
CC  
DAC A  
DAC H  
V
2
Differential Nonlinearity (LTC2605)  
OUT A  
OUT H  
1.0  
V
V
= 5V  
REF  
CC  
0.8  
0.6  
= 4.096V  
DAC B  
DAC C  
DAC G  
DAC F  
V
V
V
OUT G  
V
OUT F  
3
4
14  
13  
OUT B  
OUT C  
0.4  
0.2  
0
–0.2  
–0.4  
–0.6  
–0.8  
–1.0  
DAC D  
DAC E  
V
V
5
12  
OUT D  
OUT E  
REF  
CA0  
CA1  
6
7
11  
10  
32-BIT SHIFT REGISTER  
2-WIRE INTERFACE  
0
16384  
32768  
CODE  
49152  
65535  
CA2  
2605 G02  
9
SDA  
SCL  
8
2605/15/25 BD  
2605fa  
1

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