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LTC1747 PDF预览

LTC1747

更新时间: 2024-01-15 22:29:04
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
24页 608K
描述
14-Bit, 125/105Msps Low Power 3V ADCs

LTC1747 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:TSSOP, TSSOP48,.3,20
针数:48Reach Compliance Code:compliant
ECCN代码:3A991.C.2HTS代码:8542.39.00.01
风险等级:5.22最大模拟输入电压:1.6 V
最小模拟输入电压:-1 V转换器类型:ADC, PROPRIETARY METHOD
JESD-30 代码:R-PDSO-G48JESD-609代码:e3
长度:12.5 mm最大线性误差 (EL):0.0366%
湿度敏感等级:1模拟输入通道数量:1
位数:12功能数量:1
端子数量:48最高工作温度:85 °C
最低工作温度:-40 °C输出位码:OFFSET BINARY, 2'S COMPLEMENT BINARY
输出格式:PARALLEL, WORD封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP48,.3,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):250电源:5 V
认证状态:Not Qualified采样速率:80 MHz
采样并保持/跟踪并保持:SAMPLE座面最大高度:1.2 mm
子类别:Analog to Digital Converters标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:6.1 mmBase Number Matches:1

LTC1747 数据手册

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LTC2255/LTC2254  
14-Bit, 125/105Msps  
Low Power 3V ADCs  
U
FEATURES  
DESCRIPTIO  
The LTC®2255/LTC2254 are 14-bit 125Msps/105Msps,  
low power 3V A/D converters designed for digitizing high  
frequency, wide dynamic range signals. The LTC2255/  
LTC2254 are perfect for demanding imaging and commu-  
nications applications with AC performance that includes  
72.3dB SNR and 85dB SFDR for signals at the Nyquist  
frequency.  
Sample Rate: 125Msps/105Msps  
Single 3V Supply (2.85V to 3.4V)  
Low Power: 395mW/320mW  
72.4dB SNR  
88dB SFDR  
No Missing Codes  
Flexible Input: 1VP-P to 2VP-P Range  
640MHz Full Power Bandwidth S/H  
DCspecsinclude±1LSBINL(typ), ±0.5LSBDNL(typ)and  
Clock Duty Cycle Stabilizer  
no missing codes over temperature. The transition noise  
Shutdown and Nap Modes  
is a low 1.3 LSBRMS  
.
Pin Compatible Family  
A single 3V supply allows low power operation. A separate  
output supply allows the outputs to drive 0.5V to 3.3V  
logic.  
125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit)  
105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit)  
80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit)  
65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit)  
40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit)  
25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit)  
10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit)  
Asingle-endedCLKinputcontrolsconverteroperation.An  
optional clock duty cycle stabilizer allows high perfor-  
mance at full speed for a wide range of clock duty cycles.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
32-Pin (5mm × 5mm) QFN Package  
U
APPLICATIO S  
Wireless and Wired Broadband Communication  
Imaging Systems  
Ultrasound  
Spectral Analysis  
Portable Instrumentation  
U
TYPICAL APPLICATIO  
LTC2255: SNR vs Input Frequency,  
–1dB, 2V Range, 125Msps  
75  
REFH  
FLEXIBLE  
REFERENCE  
REFL  
74  
73  
72  
71  
70  
69  
68  
67  
66  
65  
OV  
DD  
D13  
+
14-BIT  
PIPELINED  
ADC CORE  
CORRECTION  
LOGIC  
ANALOG  
INPUT  
OUTPUT  
DRIVERS  
INPUT  
S/H  
D0  
OGND  
CLOCK/DUTY  
CYCLE  
CONTROL  
0
100 150 200 250 300 350  
50  
33554 G09  
INPUT FREQUENCY (MHz)  
22554 TA01a  
CLK  
22554f  
1

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