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LTC2353HLX-18#PBF PDF预览

LTC2353HLX-18#PBF

更新时间： 2024-02-09 02:20:04
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
38页 3033K
描述
LTC2353-18 - Buffered Dual, 18-Bit, 550ksps/Ch Differential ±10.24V ADC with 30VP-P Common Mode Range; Package: LQFP; Pins: 48; Temperature Range: -40°C to 125°C

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LTC2353HLX-18#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFP包装说明：LFQFP,
针数：48Reach Compliance Code：compliant
风险等级：8.54最大模拟输入电压：10.2525 V
最小模拟输入电压：-10.2275 V最长转换时间：1.1 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：S-PQFP-G48
长度：7 mm最大线性误差 (EL)：0.0023%
模拟输入通道数量：2位数：18
功能数量：1端子数量：48
最高工作温度：125 °C最低工作温度：-40 °C
输出位码：BINARY, 2'S COMPLEMENT BINARY输出格式：SERIAL
封装主体材料：PLASTIC/EPOXY封装代码：LFQFP
封装形状：SQUARE封装形式：FLATPACK, LOW PROFILE, FINE PITCH
采样速率：0.55 MHz采样并保持/跟踪并保持：SAMPLE
座面最大高度：1.6 mm标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
宽度：7 mmBase Number Matches：1

LTC2353HLX-18#PBF 数据手册

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LTC2353-18  
Buffered Dual, 18-Bit, 550ksps/Ch  
Differential 10ꢀ.24 ꢁDC ꢂith  
304 Common Mode Range  
P-P  
FEATURES  
DESCRIPTION  
The LTC®2353-18 is an 18-bit, low noise 2-channel  
simultaneous sampling successive approximation regis-  
ter (SAR) ADC with buffered differential, wide common  
mode range picoamp inputs. Operating from a 5V low  
voltage supply, flexible high voltage supplies, and using  
the internal reference and buffer, both channels of this  
SoftSpanTM ADC can be independently configured on a  
conversion-by-conversion basis to accept 10.24V, 0V  
to 10.24V, 5.12V, or 0V to 5.12V signals. One channel  
may also be disabled to increase throughput on the other  
channel.  
n
Simultaneous Sampling of 2 Buffered Channels  
n
550ksps per Channel Throughput  
n
500pA/12nA Max Input Leakage at 85°C/125°C  
n
±±35LSB IꢀL ꢁMaximumꢂ ±1032.ꢃ Vangeꢄ  
n
Guaranteed 18-Bitꢂ ꢀo Missing Codes  
n
Differentialꢂ Wide Common Mode Vange Inputs  
n
Per-Channel SoftSpan Input Vanges:  
n
±1032.ꢃꢂ 0ꢃ to 1032.ꢃꢂ ±5312ꢃꢂ 0ꢃ to 5312ꢃ  
n
±1235ꢃꢂ 0ꢃ to 1235ꢃꢂ ±ꢅ325ꢃꢂ 0ꢃ to ꢅ325ꢃ  
n
9ꢅ3.dB Single-Conversion SꢀV ꢁTypicalꢄ  
n
−110dB THD ꢁTypicalꢄ at f = 2kHz  
Iꢀ  
Iꢀ  
n
n
n
n
n
n
n
12.dB CMVV ꢁTypicalꢄ at f = 200Hz  
The integrated picoamp-input analog buffers, wide  
input common mode range and 124dB CMRR of the  
LTC2353-18 allow the ADC to directly digitize a variety  
of signals using minimal board space and power. This  
input signal flexibility, combined with 3.5LSB INL, no  
missing codes at 18 bits, and 96.4dB SNR, makes the  
LTC2353-18 an ideal choice for many high voltage appli-  
cations requiring wide dynamic range.  
Vail-to-Vail Input Overdrive Tolerance  
Integrated Reference and Buffer (4.096V)  
SPI CMOS (1.8V to 5V) and LVDS Serial I/O  
Internal Conversion Clock, No Cycle Latency  
162mW Power Dissipation (Typical)  
48-Lead (7mm x 7mm) LQFP Package  
APPLICATIONS  
The LTC2353-18 supports pin-selectable SPI CMOS (1.8V  
to 5V) and LVDS serial interfaces. Either one or two lanes  
of data output may be employed in CMOS mode, allowing  
the user to optimize bus width and throughput.  
n
Programmable Logic Controllers  
Industrial Process Control  
Power Line Monitoring  
n
n
All registered trademarks and trademarks are the property of their respective owners. Protected  
by U.S. Patents, including 7705765, 7961132, 8319673, 9197235.  
n
Test and Measurement  
TYPICAL APPLICATION  
15ꢂ  
ꢀ.1ꢁF  
5ꢂ  
ꢀ.1ꢁF  
1.8ꢂ Tꢃ 5ꢂ  
ꢀ.1ꢁF  
2.2ꢁF  
ꢂ
Integral ꢀonlinearity vs  
Output Code and Channel  
Cꢇꢃꢅ ꢃꢏ Lꢂꢋꢅ  
ꢑ/ꢃ ꢑꢒTꢉꢏFꢆCꢉ  
2.ꢀ  
1.5  
ꢂ
ꢂ
ꢃꢂ  
ꢋꢋ  
FꢎLLꢍ  
ꢋꢑFFꢉꢏꢉꢒTꢑꢆL  
ꢕ5ꢂ  
Lꢂꢋꢅ/CMOS  
ꢀ1ꢁ.2ꢂꢃ ꢄꢅꢆꢇ  
CC  
ꢋꢋ  
ꢋꢋLꢌꢍꢈ  
ꢀ
ꢆꢏꢌꢑTꢏꢆꢏꢍ  
ꢌꢎFFꢉꢏꢅ  
ꢈꢋ  
Tꢀꢁꢂ ꢃꢄꢅꢆLꢇꢀ ꢈꢀꢄꢉꢂ ꢊꢄꢋ ꢀ ꢁꢂꢃ  
ꢕ1ꢀꢂ  
ꢀLL CꢁꢀꢂꢂꢃLꢄ  
ꢕ
ꢄ
ꢑꢒꢀ  
ꢑꢒꢀ  
ꢅ/ꢔ  
LTC2353-18  
1.ꢀ  
ꢀꢂ  
ꢀꢂ  
ꢀ.5  
ꢄ1ꢀꢂ  
ꢄ5ꢂ  
ꢅꢋꢃꢀ  
ꢅꢋꢃ1  
ꢅCꢊꢃ  
ꢅCꢊꢑ  
ꢅꢋꢑ  
18-ꢌꢑT  
ꢀ
ꢇꢎꢘ  
ꢅꢆꢏ ꢆꢋC  
ꢎꢒꢑꢈꢃLꢆꢏ  
Tꢏꢎꢉ ꢌꢑꢈꢃLꢆꢏ  
ꢕ1ꢀꢂ  
ꢀꢁ.5  
ꢀ1.ꢁ  
ꢀ1.5  
ꢀ2.ꢁ  
ꢕ1ꢀꢂ  
ꢀꢂ  
ꢀꢂ  
ꢕ
ꢄ
CS  
ꢑꢒ1  
ꢑꢒ1  
ꢅ/ꢔ  
ꢌꢎꢅꢍ  
Cꢒꢂ  
ꢅꢆꢇꢈLꢉ  
CLꢃCꢊ  
ꢄ1ꢀꢂ  
ꢄ1ꢀꢂ  
ꢕ
ꢄ
ꢂ
ꢏꢉFꢌꢎF  
ꢏꢉFꢑꢒ  
ꢓꢒꢋ  
ꢉꢉ  
ꢋꢑFFꢉꢏꢉꢒTꢑꢆL ꢑꢒꢈꢎTꢅ ꢑꢒ /ꢑꢒ ꢐꢑTꢔ  
ꢐꢑꢋꢉ ꢑꢒꢈꢎT Cꢃꢇꢇꢃꢒ ꢇꢃꢋꢉ ꢏꢆꢒꢓꢉ  
235318 Tꢆꢀ1a  
ꢀ131ꢁꢂ2 ꢀꢁ553ꢁ  
ꢀ
ꢀ553ꢀ  
131ꢀꢁ2  
ꢖꢗꢁF  
ꢀ.1ꢁF  
ꢀꢁTꢂꢁT Cꢀꢃꢄ  
Tꢐꢃ ꢌꢎFFꢉꢏꢉꢋ  
ꢀ.1ꢁF  
ꢄ15ꢂ  
235318 Tꢀꢁ1ꢂ  
ꢅꢑꢇꢎLTꢆꢒꢉꢃꢎꢅ  
ꢅꢆꢇꢈLꢑꢒꢓ CꢔꢆꢒꢒꢉLꢅ  
235318f  
1
For more information www.linear.com/LTC2353-18  
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