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AD7402-8BRIZ-RL7 PDF预览

AD7402-8BRIZ-RL7

更新时间： 2024-01-29 00:01:33
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管转换器
页数 文件大小 规格书
21页 568K
描述
16-Bit, Isolated Sigma-Delta Modulator

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AD7402-8BRIZ-RL7 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOP, SOP8,.25
针数：8Reach Compliance Code：compliant
风险等级：2.28最大模拟输入电压：0.32 V
最小模拟输入电压：0.32 V转换器类型：ADC, DELTA-SIGMA
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：7.5 mm最大线性误差 (EL)：0.0076%
湿度敏感等级：3模拟输入通道数量：1
位数：16功能数量：1
端子数量：8最高工作温度：105 °C
最低工作温度：-40 °C输出位码：BINARY
输出格式：SERIAL封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
座面最大高度：2.65 mm最大压摆率：31 mA
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：Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：5.85 mmBase Number Matches：1

AD7402-8BRIZ-RL7 数据手册

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16-Bit, Isolated Sigma-Delta Modulator  
Data Sheet  
AD7402  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
VDD1  
REF  
VDD2  
10 MHz internal clock rate  
16 bits, no missing codes  
Signal-to-noise ratio (SNR): 87 dB typical  
Effective number of bits (ENOB): 13.5 bits typical  
Typical offset drift vs. temperature: 1.7 µV/°C  
On-board digital isolator  
AD7402  
MCLKOUT  
(10MHz)  
CLK  
ENCODER  
CLK  
DECODER  
BUF  
CLOCK  
VIN+  
VIN–  
DATA  
ENCODER  
CLK  
DECODER  
On-board reference  
MDAT  
Σ-Δ ADC  
Full-scale analog input range: 320 mV  
−40°C to +105°C operating range  
High common-mode transient immunity: >25 kV/µs  
8-lead, wide-body SOIC, with increased creepage package  
Slew rate limited output for low electromagnetic  
interference (EMI)  
GND1  
GND2  
Figure 1.  
Safety and regulatory approvals  
UL recognition  
5000 V rms for 1 minute per UL 1577  
CSA Component Acceptance Notice 5A  
VDE Certificate of Conformity  
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12  
V
IORM = 1250 VPEAK  
APPLICATIONS  
Shunt current monitoring  
AC motor controls  
Power and solar inverters  
Wind turbine inverters  
Data acquisition systems  
Analog-to-digital and opto-isolator replacements  
GENERAL DESCRIPTION  
The AD74021 is a high performance, second-order, Σ-Δ modulator  
that converts an analog input signal into a high speed, single-bit  
data stream, with on-chip digital isolation based on Analog  
Devices, Inc., iCoupler® technology. The AD7402 operates from  
a 4.5 V to 5.5 V (VDD1) power supply and accepts a differential  
input signal of 250 mV ( 320 mV full scale). The differential  
input is ideally suited to shunt voltage monitoring in high  
voltage applications where galvanic isolation is required.  
information can be reconstructed with an appropriate digital  
filter to achieve 87 dB signal to noise ratio (SNR) at 39 kSPS. The  
serial input/output can use a 3 V to 5.5 V or a 3.3 V supply (VDD2).  
The serial interface is digitally isolated. High speed complementary  
metal oxide semiconductor (CMOS) technology, combined with  
monolithic transformer technology, means the on-chip isolation  
provides outstanding performance characteristics, superior to  
alternatives such as optocoupler devices. The AD7402 device is  
offered in an 8-lead, wide body SOIC package and has an  
operating temperature range of −40°C to +105°C.  
The analog input is continuously sampled by a high performance  
analog modulator, and converted to a ones density, digital  
output stream with a data rate of 10 MHz. The original  
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329.  
Rev. A  
Document Feedback  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Technical Support  
©2015 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
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AD7402-8BRIZ-RL7 替代型号

型号 品牌 替代类型 描述 数据表
AD7402-8BRIZ-RL ADI

完全替代

 16-Bit, Isolated Sigma-Delta Modulator
AD7402-8BRIZ ADI

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