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LTC2620CGNTRPBF PDF预览

LTC2620CGNTRPBF

更新时间: 2024-11-13 11:46:47
品牌 Logo 应用领域
凌特 - Linear 转换器数模转换器
页数 文件大小 规格书
20页 338K
描述
Octal 16-/14-/12-Bit Rail-to-Rail DACs in 16-Lead SSOP

LTC2620CGNTRPBF 数据手册

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LTC2600/LTC2610/LTC2620  
Octal 16-/14-/12-Bit  
Rail-to-Rail DACs in 16-Lead SSOP  
FEATURES  
DESCRIPTION  
The LTC®2600/LTC2610/LTC2620 are octal 16-, 14- and  
12-bit, 2.5V-to-5.5V rail-to-rail voltage-output DACs in  
16-lead narrow SSOP and 20-lead 4mm × 5mm QFN  
packages. They have built-in high performance output  
buffers and are guaranteed monotonic.  
n
Smallest Pin-Compatible Octal DACs:  
LTC2600: 16 Bits  
LTC2610: 14 Bits  
LTC2620: 12 Bits  
n
Guaranteed 16-Bit Monotonic Over Temperature  
n
Wide 2.5V to 5.5V Supply Range  
These parts establish new board-density benchmarks for  
16-and14-bitDACsandadvanceperformancestandardsfor  
outputdrive,crosstalkandloadregulationinsingle-supply,  
voltage-output multiples.  
n
Low Power Operation: 250μA per DAC at 3V  
n
Individual Channel Power-Down to 1μA, Max  
n
Ultralow Crosstalk Between DACs (<10μV)  
n
High Rail-to-Rail Output Drive (±15mA, Min)  
n
ThepartsuseasimpleSPI/MICROWIREcompatible3-wire  
Double-Buffered Digital Inputs  
n
serial interface which can be operated at clock rates up  
to 50MHz. Daisychain capability and a hardware CLR  
function are included.  
Pin-Compatible 10-/8-Bit Versions (LTC1660/LTC1665)  
n
Tiny 16-Lead Narrow SSOP  
and 20-Lead 4mm × 5mm QFN Packages  
The LTC2600/LTC2610/LTC2620 incorporate a power-on  
resetcircuit.Duringpower-up,thevoltageoutputsriseless  
than10mVabovezero-scale;andafterpower-up,theystay  
at zero-scale until a valid write and update take place.  
APPLICATIONS  
n
Mobile Communications  
n
Process Control and Industrial Automation  
Instrumentation  
n
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
Automatic Test Equipment  
BLOCK DIAGRAM  
(20)  
GND  
1
16  
15  
V
V
(17)  
(16)  
CC  
DAC A  
DAC H  
(1)  
V
2
OUTA  
OUTH  
Differential Nonlinearity (LTC2600)  
1.0  
DAC B  
DAC C  
DAC G  
DAC F  
V
V
V
V
(2)  
3
4
14  
13  
(15)  
OUTB  
OUTC  
OUTG  
OUTF  
V
V
= 5V  
REF  
CC  
0.8  
0.6  
= 4.096V  
0.4  
(3)  
(4)  
(14)  
(13)  
0.2  
0
–0.2  
–0.4  
–0.6  
–0.8  
–1.0  
DAC D  
DAC E  
V
V
5
12  
OUTD  
REF  
OUTE  
CLR  
SDO  
(5)  
(7)  
(8)  
6
7
8
11  
10  
9
(11)  
(10)  
(9)  
POWER-ON  
RESET  
0
16384  
32768  
CODE  
49152  
65535  
CONTROL  
LOGIC  
DECODE  
2600 G21  
CS/LD  
SCK  
32-BIT SHIFT REGISTER  
SDI  
2600 BD  
NOTE: NUMBERS IN PARENTHESIS REFER TO THE UFD PACKAGE  
2600fe  
1

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