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LTC1668IG#TRPBF PDF预览

LTC1668IG#TRPBF

更新时间: 2024-02-10 04:49:54
品牌 Logo 应用领域
凌特 - Linear 信息通信管理光电二极管转换器
页数 文件大小 规格书
24页 880K
描述
LTC1668 - 16-Bit, 50Msps DAC; Package: SSOP; Pins: 28; Temperature Range: -40°C to 85°C

LTC1668IG#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP,
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.12最大模拟输出电压:1 V
最小模拟输出电压:-1 V转换器类型:D/A CONVERTER
输入位码:BINARY输入格式:PARALLEL, WORD
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:10.2 mm最大线性误差 (EL):0.0122%
湿度敏感等级:1标称负供电电压:-5 V
位数:16功能数量:1
端子数量:28最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:2 mm
标称安定时间 (tstl):0.02 µs标称供电电压:5 V
表面贴装:YES技术:BICMOS
温度等级:INDUSTRIAL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:5.3 mmBase Number Matches:1

LTC1668IG#TRPBF 数据手册

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LTC1666/LTC1667/LTC1668  
12-Bit, 14-Bit, 16-Bit,  
U
50Msps DACs  
FEATURES  
DESCRIPTIO  
The LTC®1666/LTC1667/LTC1668 are 12-/14-/16-bit,  
50Msps differential current output DACs implemented on  
a high performance BiCMOS process with laser trimmed,  
thin-film resistors. The combination of a novel current-  
steering architecture and a high performance process  
produces DACs with exceptional AC and DC performance.  
The LTC1668 is the first 16-bit DAC in the marketplace to  
exhibit an SFDR (spurious free dynamic range) of 87dB  
for an output signal frequency of 1MHz.  
50Msps Update Rate  
Pin Compatible 12-Bit, 14-Bit and 16-Bit Devices  
High Spectral Purity: 87dB SFDR at 1MHz fOUT  
5pV-s Glitch Impulse  
Differential Current Outputs  
20ns Settling Time  
Low Power: 180mW from ±5V Supplies  
TTL/CMOS (3.3V or 5V) Inputs  
Small Package: 28-Pin SSOP  
Operating from ±5V supplies, the LTC1666/LTC1667/  
LTC1668 can be configured to provide full-scale output  
currents up to 10mA. The differential current outputs of  
theDACsallowsingle-endedortruedifferentialoperation.  
The –1V to 1V output compliance of the LTC1666/  
LTC1667/LTC1668 allows the outputs to be connected  
directly to external resistors to produce a differential out-  
putvoltagewithoutdegradingtheconverter’slinearity.Al-  
ternatively,theoutputscanbeconnectedtothesumming  
junction of a high speed operational amplifier, or to a  
transformer.  
U
APPLICATIO S  
Cellular Base Stations  
Multicarrier Base Stations  
Wireless Communication  
Direct Digital Synthesis (DDS)  
xDSL Modems  
Arbitrary Waveform Generation  
Automated Test Equipment  
Instrumentation  
The LTC1666/LTC1667/LTC1668 are pin compatible and  
are available in a 28-pin SSOP and are fully specified over  
the industrial temperature range.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
LTC1668, 16-Bit, 50Msps DAC  
5V  
0.1µF  
LTC1668 SFDR vs fOUT and fCLOCK  
100  
V
LTC1668  
DD  
REFOUT  
2.5V  
REFERENCE  
5MSPS  
R
SET  
2k  
0.1µF  
90  
I
REFIN  
25MSPS  
52.3Ω  
I
I
OUT A  
OUT B  
80  
70  
60  
50  
50MSPS  
+
+
16-BIT  
HIGH SPEED  
DAC  
1V  
P-P  
DIFFERENTIAL  
52.3Ω  
V
OUT  
COMP1  
COMP2  
LADCOM  
C1  
0.1µF  
V
SS  
AGND DGND CLK  
DB15  
DB0  
DIGITAL AMPLITUDE = 0dBFS  
C2  
0.1µF  
1666/7/8 TA01  
0.1  
1.0  
10  
100  
f
(MHz)  
OUT  
CLOCK 16-BIT DATA  
INPUT INPUT  
0.1µF  
1666/7/8 G05  
5V  
1

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