ADS8528

ACTIVO

ADC de entrada bipolar de muestreo simultáneo de 12 bits y 8 canales

Detalles del producto

Resolution (Bits) 12 Sample rate (max) (ksps) 650 Number of input channels 8 Interface type Byte-Wide, Parallel, SPI Architecture SAR Input type Single-ended Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 12 Input voltage range (min) (V) -12 Features Daisy-Chainable, Oscillator Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 335 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 73.9 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
Resolution (Bits) 12 Sample rate (max) (ksps) 650 Number of input channels 8 Interface type Byte-Wide, Parallel, SPI Architecture SAR Input type Single-ended Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 12 Input voltage range (min) (V) -12 Features Daisy-Chainable, Oscillator Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 335 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 73.9 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
LQFP (PM) 64 144 mm² (12 mm × 12 mm) VQFN (RGC) 64 81 mm² (9 mm × 9 mm)
  • Family of 12-, 14-, and 16-Bit, Pin- and Software-Compatible ADCs
  • Maximum Data Rate per Channel:
    • ADS8528: 650 kSPS (PAR) or
      480 kSPS (SER)
    • ADS8548: 600 kSPS (PAR) or
      450 kSPS (SER)
    • ADS8568: 510 kSPS (PAR) or
      400 kSPS (SER)
  • Excellent AC Performance:
    • Signal-to-Noise Ratio:
      ADS8528: 73.9 dB, ADS8548: 85 dB, ADS8568: 91.5 dB
    • Total Harmonic Distortion:
      ADS8528: –89 dB, ADS8548: –91 dB, ADS8568: –94 dB
  • Programmable, Buffered Internal Reference:
    0.5 V–2.5 V or 0.5 V–3.0 V Supports Input Voltage Ranges up to ±12 V
  • Selectable Parallel or Serial Interface
  • Scalable Low-Power Operation Using Auto-Sleep Mode: Only 32 mW at 10 kSPS
  • Fully Specified Over Extended Industrial Temperature Range
  • Family of 12-, 14-, and 16-Bit, Pin- and Software-Compatible ADCs
  • Maximum Data Rate per Channel:
    • ADS8528: 650 kSPS (PAR) or
      480 kSPS (SER)
    • ADS8548: 600 kSPS (PAR) or
      450 kSPS (SER)
    • ADS8568: 510 kSPS (PAR) or
      400 kSPS (SER)
  • Excellent AC Performance:
    • Signal-to-Noise Ratio:
      ADS8528: 73.9 dB, ADS8548: 85 dB, ADS8568: 91.5 dB
    • Total Harmonic Distortion:
      ADS8528: –89 dB, ADS8548: –91 dB, ADS8568: –94 dB
  • Programmable, Buffered Internal Reference:
    0.5 V–2.5 V or 0.5 V–3.0 V Supports Input Voltage Ranges up to ±12 V
  • Selectable Parallel or Serial Interface
  • Scalable Low-Power Operation Using Auto-Sleep Mode: Only 32 mW at 10 kSPS
  • Fully Specified Over Extended Industrial Temperature Range

The ADS85x8 contain eight low-power, 12-, 14-, or 16-bit, successive approximation register (SAR)-based analog-to-digital converters (ADCs) with true bipolar inputs. These channels are grouped in four pairs, thus allowing simultaneous high-speed signal acquisition of up to 650 kSPS.

The devices support selectable parallel or serial interface with daisy-chain capability. The programmable reference allows handling of analog input signals with amplitudes up to ±12 V.

The ADS85x8 family supports an auto-sleep mode for minimum power dissipation and is available in both 64-pin VQFN and LQFP packages. The entire family is specified over a temperature range of –40°C to +125°C.


The ADS85x8 contain eight low-power, 12-, 14-, or 16-bit, successive approximation register (SAR)-based analog-to-digital converters (ADCs) with true bipolar inputs. These channels are grouped in four pairs, thus allowing simultaneous high-speed signal acquisition of up to 650 kSPS.

The devices support selectable parallel or serial interface with daisy-chain capability. The programmable reference allows handling of analog input signals with amplitudes up to ±12 V.

The ADS85x8 family supports an auto-sleep mode for minimum power dissipation and is available in both 64-pin VQFN and LQFP packages. The entire family is specified over a temperature range of –40°C to +125°C.


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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 ADS85x8 12-, 14-, and 16-Bit, 8-Channel, Simultaneous Sampling ADCs datasheet (Rev. C) PDF | HTML 3/02/2016
Circuit design Circuit for driving an ADC with an instrumentation amplifier in high gain (Rev. A) PDF | HTML 24/09/2024
Circuit design Circuit for driving high-voltage SAR ADC with a buffered instrumentation (Rev. A) PDF | HTML 20/09/2024
Circuit design Circuit for driving a high-voltage SAR with an instrumentation amplifier (Rev. A) PDF | HTML 18/09/2024
Libro electrónico Best of Baker's Best: Precision Data Converters -- SAR ADCs 21/05/2015
Nota sobre la aplicación ADS856x Design Challenges and Improvement Techniques for SAR Driver Circuit (Rev. A) 18/05/2015
Nota sobre la aplicación ADS8528, ADS8548, and ADS8568 Timing Considerations 21/06/2014
Nota sobre la aplicación Determining Minimum Acquisition Times for SAR ADCs, part 2 17/03/2011

Diseño y desarrollo

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Modelo de simulación

ADS8568, ADS8548, ADS8528 IBIS Model (Rev. B)

SBAM096B.ZIP (81 KB) - Modelo IBIS
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