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LTC2657CFE-H12#TRPBF PDF预览

LTC2657CFE-H12#TRPBF

更新时间: 2024-09-21 13:01:55
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
24页 1449K
描述
LTC2657 - Octal I<sup>2</sup>C 16-/12-Bit Rail-to-Rail DACs with 10ppm/&deg;C Max Reference; Package: TSSOP; Pins: 20; Temperature Range: 0&deg;C to 70&deg;C

LTC2657CFE-H12#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:TSSOP包装说明:HTSSOP, TSSOP20,.25
针数:20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.08最大模拟输出电压:4.096 V
最小模拟输出电压:转换器类型:D/A CONVERTER
输入位码:BINARY输入格式:SERIAL
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
长度:6.5 mm最大线性误差 (EL):0.0244%
湿度敏感等级:1位数:12
功能数量:1端子数量:20
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP20,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:3/5 V认证状态:Not Qualified
座面最大高度:1.2 mm标称安定时间 (tstl):3.9 µs
子类别:Other Converters最大压摆率:4.25 mA
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:4.4 mm
Base Number Matches:1

LTC2657CFE-H12#TRPBF 数据手册

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LTC2657  
2
Octal I C 16-/12-Bit  
Rail-to-Rail DACs with  
10ppm/°C Max Reference  
DESCRIPTION  
FEATURES  
2
The LTC®2657 is a family of octal I C 16-/12-Bit Rail-to-  
n
Integrated Reference 10ppm/°C Max  
n
Maximum INL Error: ±±LꢀS  
Rail DACs with Integrated 10ppm/°C Max Reference. The  
DACs have built-in high performance, rail-to-rail, output  
buffersandareguaranteedmonotonic. TheLTC2657-Lhas  
afull-scaleoutputof2.5Vwiththeintegratedreferenceand  
operatesfromasingle2.7Vto5.5Vsupply. TheLTC2657-H  
hasafull-scaleoutputof4.096Vwiththeintegratedreference  
andoperatesfroma4.5Vto5.5Vsupply.EachDACcanalso  
operatewithanexternalreference, whichsetsthefull-scale  
output to 2 times the external reference voltage.  
n
Guaranteed Monotonic Over Temperature  
n
ꢀelectable Internal or External Reference  
n
2.7V to 5.5V Supply Range (LTC2657-L)  
n
Integrated Reference Buffers  
n
Ultralow Crosstalk between DACs(0.8nV•s)  
n
Power-On-Reset to Zero-Scale/Mid-Scale  
2
n
400kHz I C Interface  
n
Tiny 20-Lead 4mm × 5mm QFN and 20-Lead  
Thermally enhanced TSSOP packages  
2
The parts use a 2-wire I C compatible serial interface. The  
LTC2657 operates in both the standard mode (maximum  
clock rate of 100kHz) and the fast mode (maximum clock  
rateof400kHz).TheLTC2657incorporatesapower-onreset  
circuitthatiscontrolledbythePORSELpin.IfPORSEListied  
toGNDtheDACsresettozero-scaleatpower-up.IfPORSEL  
APPLICATIONS  
n
Mobile Communications  
n
Process Control and Industrial Automation  
n
Instrumentation  
Automatic Test Equipment  
n
is tied to V , the DACs reset to mid-scale at power-up.  
CC  
n
Automotive  
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, 6891433 and patent pending.  
BLOCK DIAGRAM  
INTERNAL REFERENCE  
REFCOMP  
REFIN/OUT  
REF  
INL vs Code (LTC2657-16)  
GND  
V
CC  
REFLO  
4
3
V
DAC A  
DAC H  
DAC G  
DAC F  
V
V
V
V
OUTA  
OUTH  
OUTG  
OUTF  
OUTE  
2
1
V
DAC B  
DAC C  
DAC D  
OUTB  
0
–1  
–2  
–3  
–4  
DAC A  
DAC B  
DAC C  
DAC D  
DAC E  
V
OUTC  
DAC F  
DAC G  
DAC H  
32768  
CODE  
128  
16384  
49152  
65535  
V
DAC E  
OUTD  
2657 TA01  
POWER-ON RESET  
PORSEL  
CA0  
CA1  
32-BIT SHIFT REGISTER  
2-WIRE INTERFACE  
SDA  
SCL  
CA2  
LDAC  
2657 BD  
2657f  
1

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