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ADS1202

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10MHz 时钟频率、+/-250mV 输入、16 位分辨率、电流分流 Δ-Σ 调制器

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ADS1202

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产品详情

Resolution (Bits) 16 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Catalog Reference mode Internal Input voltage range (max) (V) 0.25 Input voltage range (min) (V) -0.25 Features Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 30 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 70.5 Digital supply (min) (V) 4.5 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Catalog Reference mode Internal Input voltage range (max) (V) 0.25 Input voltage range (min) (V) -0.25 Features Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 30 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 70.5 Digital supply (min) (V) 4.5 Digital supply (max) (V) 5.5
TSSOP (PW) 8 19.2 mm² (3 mm × 6.4 mm)
  • 16-BIT RESOLUTION
  • 13-BIT LINEARITY
  • RESOLUTION/SPEED TRADE-OFF:
       10-Bit Effective Resolution with 20 µs Signal
       Delay (12-bit with 77 µs)
  • ±250mV INPUT RANGE WITH SINGLE 5V SUPPLY
  • 2% INTERNAL REFERENCE VOLTAGE
  • 2% GAIN ERROR
  • FLEXIBLE SERIAL INTERFACE WITH FOUR DIFFERENT MODES
  • IMPLEMENTED TWINNED BINARY CODING AS SPLIT PHASE OR MANCHESTER CODING FOR ONE LINE INTERFACING
  • OPERATING TEMPERATURE RANGE:
       –40°C to +85°C
  • APPLICATIONS
    • MOTOR CONTROL
    • CURRENT MEASUREMENT
    • INDUSTRIAL PROCESS CONTROL
    • INSTRUMENTATION
    • SMART TRANSMITTERS
    • PORTABLE INSTRUMENTS
    • WEIGHT SCALES
    • PRESSURE TRANSDUCERS
  • 16-BIT RESOLUTION
  • 13-BIT LINEARITY
  • RESOLUTION/SPEED TRADE-OFF:
       10-Bit Effective Resolution with 20 µs Signal
       Delay (12-bit with 77 µs)
  • ±250mV INPUT RANGE WITH SINGLE 5V SUPPLY
  • 2% INTERNAL REFERENCE VOLTAGE
  • 2% GAIN ERROR
  • FLEXIBLE SERIAL INTERFACE WITH FOUR DIFFERENT MODES
  • IMPLEMENTED TWINNED BINARY CODING AS SPLIT PHASE OR MANCHESTER CODING FOR ONE LINE INTERFACING
  • OPERATING TEMPERATURE RANGE:
       –40°C to +85°C
  • APPLICATIONS
    • MOTOR CONTROL
    • CURRENT MEASUREMENT
    • INDUSTRIAL PROCESS CONTROL
    • INSTRUMENTATION
    • SMART TRANSMITTERS
    • PORTABLE INSTRUMENTS
    • WEIGHT SCALES
    • PRESSURE TRANSDUCERS

The ADS1202 is a precision, 80dB dynamic range, delta-sigma () modulator operating from a single +5V supply. The differential inputs are ideal for direct connections to transducers or low-level signals. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit Analog-to-Digital (A/D) conversion with no missing codes. Effective resolution of 12 bits can be maintained with a digital filter bandwidth of 10kHz at a modulator rate of 10MHz. The ADS1202 is designed for use in medium resolution measurement applications including current measurements, smart transmitters, industrial process control, weigh scales, chromatography, and portable instrumentation. It is available in a TSSOP-8 package.

The ADS1202 is a precision, 80dB dynamic range, delta-sigma () modulator operating from a single +5V supply. The differential inputs are ideal for direct connections to transducers or low-level signals. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit Analog-to-Digital (A/D) conversion with no missing codes. Effective resolution of 12 bits can be maintained with a digital filter bandwidth of 10kHz at a modulator rate of 10MHz. The ADS1202 is designed for use in medium resolution measurement applications including current measurements, smart transmitters, industrial process control, weigh scales, chromatography, and portable instrumentation. It is available in a TSSOP-8 package.
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技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 ADS1202: Motor Control Current Shunt, 1-Bit, 10MHz, 2nd-Order D-S Modulator 数据表 (Rev. B) 2004-7-12
应用手册 Δ-Σ ADC 中的数字滤波器类型 (Rev. A) PDF | HTML 英语版 (Rev.A) PDF | HTML 2023-4-13
模拟设计期刊 How delta-sigma ADCs work, Part 1 (Rev. A) 2016-9-19
电子书 Best of Baker's Best: Precision Data Converters -- Delta-Sigma ADCs 2015-3-19
模拟设计期刊 ΔΣ ADC工作原理 英语版 2012-1-13
应用手册 Using the ADS1202 Reference Design 2003-11-19
应用手册 Clock Divider Circuit for the ADS1202 in Mode 3 Operation 2003-9-15
应用手册 Interfacing the ADS1202 Modltr With a Pulse Transformer in Galvanically Isolated 2003-6-2
应用手册 Combining ADS1202 with FPGA Digital Filter for Current Msrmnt in Motor Cntrl App 2003-4-28
应用手册 Choosing an Optocoupler for the ADS1202 Operating in Mode 1 2003-2-12

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评估板

AMC1210MB-EVM — AMC1210 主板

The AMC1210MB-EVM is a complete evaluation kit for the AMC1210 & ADS1205 in resolver applications and part of a modular evaluation system for evaluating TI delta-sigma modulators. The AMC1210MB-EVM software allows use of the AMC1210 in a variety of configurations for resolver and current shunt (...)

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支持软件

SLAC055 — ADS1202 Reference Design VHDL Software

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支持软件

SLAC056 — ADS1202 Reference Design DSP Software

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计算工具

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

模拟工程师计算器旨在加快模拟电路设计工程师经常运用的许多重复性计算。该基于 PC 的工具提供图形界面，其中显示各种常见计算列表，从使用反馈电阻器设置运算放大器增益到选择合适的电路设计元件，以稳定模数转换器 (ADC) 驱动器缓冲器电路。

除了可用作独立工具之外，该计算器还能很好地与模拟工程师口袋参考中所述的概念配合使用。

支持的产品和硬件
计算工具

SBAR010 — Delta Sigma Modulator Filter Calculator

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封装 引脚 CAD 符号、封装和 3D 模型
TSSOP (PW) 8 Ultra Librarian
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