ADS1204

ACTIVO

Cuatro moduladores Delta-Sigma, 10 MHz CLK, entrada 0-5 V, resolución de 16 bits

Detalles del producto

Resolution (Bits) 16 Number of input channels 4 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential, Single-ended Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Oscillator Operating temperature range (°C) -40 to 105 Power consumption (typ) (mW) 122 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 89 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Number of input channels 4 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential, Single-ended Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Oscillator Operating temperature range (°C) -40 to 105 Power consumption (typ) (mW) 122 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 89 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
VQFN (RHB) 32 25 mm² (5 mm × 5 mm)
  • 16-bit resolution
  • 14-bit linearity
  • Resolution, speed trade-off:
    10-bit effective resolution with 10-µs signal delay (12-bit with 19 µs)
  • ±2.5-V input range at 2.5 V
  • Internal reference voltage: 2%
  • Gain error: 0.5%
  • Four independent delta-sigma modulators
  • Four input reference buffers
  • Onboard 20-MHz oscillator
  • Selectable internal or external clock
  • Operating temperature range:
    –40°C to +105°C
  • Package: VQFN-32 (5 mm × 5 mm)
  • 16-bit resolution
  • 14-bit linearity
  • Resolution, speed trade-off:
    10-bit effective resolution with 10-µs signal delay (12-bit with 19 µs)
  • ±2.5-V input range at 2.5 V
  • Internal reference voltage: 2%
  • Gain error: 0.5%
  • Four independent delta-sigma modulators
  • Four input reference buffers
  • Onboard 20-MHz oscillator
  • Selectable internal or external clock
  • Operating temperature range:
    –40°C to +105°C
  • Package: VQFN-32 (5 mm × 5 mm)

The ADS1204 is a four-channel, high-performance device, with four delta-sigma (ΔΣ) modulators with 100-dB dynamic range, operating from a single 5-V supply. The differential inputs are ideal for direct connection to transducers in an industrial environment. 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 code. Effective resolution of 12 bits can be obtained with a digital filter data rate of 160 kHz at a modulator rate of 10 MHz. The ADS1204 is designed for use in medium- to high-resolution measurement applications including current measurements, smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. It is available in a VQFN-32 (5×5) package.

The ADS1204 is a four-channel, high-performance device, with four delta-sigma (ΔΣ) modulators with 100-dB dynamic range, operating from a single 5-V supply. The differential inputs are ideal for direct connection to transducers in an industrial environment. 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 code. Effective resolution of 12 bits can be obtained with a digital filter data rate of 160 kHz at a modulator rate of 10 MHz. The ADS1204 is designed for use in medium- to high-resolution measurement applications including current measurements, smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. It is available in a VQFN-32 (5×5) package.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos ADS1204 Four 1-Bit, 10-MHz, 2nd-Order, Delta-Sigma Modulators datasheet (Rev. D) PDF | HTML 21/02/2020
Nota sobre la aplicación QFN and SON PCB Attachment (Rev. C) PDF | HTML 6/12/2023
Nota sobre la aplicación 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
Libro electrónico Best of Baker's Best: Precision Data Converters -- Delta-Sigma ADCs 19/03/2015
Analog Design Journal How delta-sigma ADCs work, Part 2 9/11/2011
Nota sobre la aplicación Using the ADS1202 Reference Design 19/11/2003
Nota sobre la aplicación Combining ADS1202 with FPGA Digital Filter for Current Msrmnt in Motor Cntrl App 28/04/2003

Diseño y desarrollo

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