Produktdetails

Resolution (Bits) 16 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 0.25 Input voltage range (min) (V) -0.25 Features Oscillator, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 33 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 85 Digital supply (min) (V) 2.7 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 External, Internal Input voltage range (max) (V) 0.25 Input voltage range (min) (V) -0.25 Features Oscillator, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 33 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 85 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
VQFN (RGT) 16 9 mm² (3 mm × 3 mm) TSSOP (PW) 8 19.2 mm² (3 mm × 6.4 mm)
  • 16-Bit Resolution
  • 14-Bit Linearity
  • ±250mV Input Range with Single +5V Supply
  • 1% Internal Reference Voltage
  • 1% 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 +125°C
  • APPLICATIONS
    • Motor Control
    • Current Measurement
    • Industrial Process Control
    • Instrumentation
    • Smart Transmitters

All trademarks are the property of their respective owners.

  • 16-Bit Resolution
  • 14-Bit Linearity
  • ±250mV Input Range with Single +5V Supply
  • 1% Internal Reference Voltage
  • 1% 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 +125°C
  • APPLICATIONS
    • Motor Control
    • Current Measurement
    • Industrial Process Control
    • Instrumentation
    • Smart Transmitters

All trademarks are the property of their respective owners.

The ADS1203 is a delta-sigma () modulator with a 95dB dynamic range, operating from a single +5V supply. The differential inputs are ideal for direct connection 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. An effective resolution of 14 bits or SNR of 85dB (typical) can be maintained with a digital filter bandwidth of 40kHz at a modulator rate of 10MHz. The ADS1203 is designed for use in medium- to high-resolution measurement applications including current measurements, smart transmitters, and industrial process control. The ADS1203 is available in TSSOP-8 and QFN-16 (3x3) packages.

The ADS1203 is a delta-sigma () modulator with a 95dB dynamic range, operating from a single +5V supply. The differential inputs are ideal for direct connection 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. An effective resolution of 14 bits or SNR of 85dB (typical) can be maintained with a digital filter bandwidth of 40kHz at a modulator rate of 10MHz. The ADS1203 is designed for use in medium- to high-resolution measurement applications including current measurements, smart transmitters, and industrial process control. The ADS1203 is available in TSSOP-8 and QFN-16 (3x3) packages.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt Motor Control, Current Measurement, 1-Bit, 10MHz, 2nd-Order, Delta-Sig Modulator datasheet (Rev. C) 09.01.2008
Anwendungshinweis QFN and SON PCB Attachment (Rev. C) PDF | HTML 06.12.2023
Anwendungshinweis Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 29.03.2023
Analog Design Journal How delta-sigma ADCs work, Part 1 (Rev. A) 19.09.2016
E-book Best of Baker's Best: Precision Data Converters -- Delta-Sigma ADCs 19.03.2015
Analog Design Journal How delta-sigma ADCs work, Part 2 09.11.2011
Anwendungshinweis Using the ADS1202 Reference Design 19.11.2003
Anwendungshinweis Clock Divider Circuit for the ADS1202 in Mode 3 Operation 15.09.2003
Anwendungshinweis Interfacing the ADS1202 Modltr With a Pulse Transformer in Galvanically Isolated 02.06.2003
Anwendungshinweis Combining ADS1202 with FPGA Digital Filter for Current Msrmnt in Motor Cntrl App 28.04.2003
Anwendungshinweis Choosing an Optocoupler for the ADS1202 Operating in Mode 1 12.02.2003

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