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LTC1405CGN PDF预览

LTC1405CGN

更新时间： 2024-11-25 22:17:59
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 222K
描述
12-Bit, 5Msps, Sampling ADC

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中文翻译

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LTC1405CGN 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SSOP包装说明：SSOP, SSOP28,.25
针数：28Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.12最大模拟输入电压：2.048 V
最小模拟输入电压：-2.048 V最长转换时间：0.18 µs
转换器类型：ADC, PROPRIETARY METHODJESD-30 代码：R-PDSO-G28
JESD-609代码：e0长度：9.893 mm
最大线性误差 (EL)：0.0244%湿度敏感等级：1
标称负供电电压：-5 V模拟输入通道数量：1
位数：12功能数量：1
端子数量：28最高工作温度：70 °C
最低工作温度：输出位码：2'S COMPLEMENT BINARY
输出格式：PARALLEL, WORD封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP28,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：235电源：+-5 V
认证状态：Not Qualified采样速率：5 MHz
采样并保持/跟踪并保持：SAMPLE座面最大高度：1.75 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：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：20
宽度：3.899 mmBase Number Matches：1

LTC1405CGN 数据手册

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Fina l Ele c tric a l Sp e c ific a tio ns  
LTC1405  
12-Bit, 5Msp s,  
Sa m p ling ADC  
Ja nua ry 2000  
U
DESCRIPTIO  
FEATURES  
The LTC®1405 is a 5Msps, 12-bit sampling A/D converter  
that draws only 115mW from either single 5V or dual ±5V  
supplies. This easy-to-usedeviceincludes ahighdynamic  
range sample-and-hold, a precision reference and a PGA  
input circuit.  
■
5Msps Sample Rate  
Low Power Dissipation: 115mW  
Single 5V Supply or ±5V Supplies  
Integral Nonlinearity Error <0.35LSB  
Differential Nonlinearity <0.25LSB  
71.3dB S/(N + D) and 85dB SFDR at Nyquist  
100MHz Full-Power Bandwidth Sampling  
±2.048V, ±1.024V and ±0.512V Bipolar Input Range  
Input PGA  
Out-of-Range Indicator  
True Differential Inputs with 75dB CMRR  
28-Pin Narrow SSOP Package  
■
■
■
■
■
The LTC1405 has a flexible input circuit that allows full-  
scaleinputranges of±2.048V,±1.024Vand±0.512V. The  
input common mode range is rail-to-rail and a common  
mode bias voltage is provided for single supply applica-  
tions. The input PGA has a digitally selectable 1x or 2x  
gain.  
■
■
■
■
■
■
■
Maximum DC specs include ±1LSB INL and ±1LSB DNL  
over temperature. Outstanding AC performance includes  
71.3dB S/(N + D) and 85dB SFDR at the Nyquist input  
frequency of 2.5MHz.  
Pin-Compatible 10Msps Version (LTC1420)  
U
APPLICATIO S  
■
Telecommunications  
Digital Signal Processing  
Multiplexed Data Acquisition Systems  
High Speed Data Acquisition  
Spectral Analysis  
Imaging Systems  
Theuniquedifferentialinputsample-and-holdcanacquire  
single-ended or differential input signals up to its 100MHz  
bandwidth. The 75dB common mode rejection allows  
users to eliminate ground loops and common mode noise  
by measuring signals differentially from the source. A  
separate output logic supply allows direct connection to  
3V components.  
■
■
■
■
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
5V  
5V  
5V  
Typical INL Curve  
OPTIONAL 3V  
1.00  
0.75  
0.50  
0.25  
0
LOGIC SUPPLY  
1µF  
1µF  
1µF  
GAIN  
AV  
DD  
DV  
DD  
OV  
DD  
+
A
IN  
S/H  
PIPELINED 12-BIT ADC  
OF  
–A  
IN  
–0.25  
–0.50  
–0.75  
–1.00  
D11 (MSB)  
OUTPUT  
BUFFERS  
V
CM  
1µF  
MODE SELECT  
DIGITAL CORRECTION  
LOGIC  
D0 (LSB)  
SENSE  
0
1024  
2048  
3072  
4096  
2.5V  
REFERENCE  
5MHz CLK  
CODE  
1405 TA02  
V
REF  
1µF  
1µF  
2.048V  
1405 TA01  
V
AGND  
DGND  
OGND  
SS  
0V OR –5V  
InformationfurnishedbyLinearTechnologyCorporationis believedtobeaccurateandreliable.However,  
no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the  
interconnection of its circuits as described herein will not infringe on existing patent rights.  
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中文翻译

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