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Analog-Digital-Wandler (ADCs)
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ADS8484

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18 Bit 1,25 MSPS, Paralleler ADC W/Ref, Pseudo-Bipolar, volldifferenzieller Eingang

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ADS8484

NICHT FÜR NEUE DESIGNS EMPFOHLEN
Datenblatt Jetzt bestellen

Produktdetails

Resolution (bps) 18 Sample rate (max) (ksps) 1250 Number of input channels 1 Interface type Parallel Architecture SAR Input type Differential Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 4.096 Input voltage range (min) (V) 4.096 Features Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 235 Analog supply (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 98.5 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (bps) 18 Sample rate (max) (ksps) 1250 Number of input channels 1 Interface type Parallel Architecture SAR Input type Differential Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 4.096 Input voltage range (min) (V) 4.096 Features Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 235 Analog supply (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 98.5 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
VQFN (RGZ) 48 49 mm² 7 x 7
  • 1.25-MHz Sample Rate
  • ±1.5 LSB Typ, ±2.5 LSB Max INL
  • +0.8/-0.6 LSB Typ, +1.5/-1 LSB Max DNL
  • 18-Bit NMC Ensured Over Temperature
  • ±0.5-mV Offset Error
  • TBD-PPM/°C Offset Error Drift
  • ±0.1 %FSR Gain Error
  • ±TBD-PPM/°C Gain Error Drift
  • 99dB SNR, -117db THD, 120dB SFDR
  • Zero Latency
  • Low Power: 235 mW Typ at 1.25 MSPS
  • Pseudo-Bipolar Fully Differential Input Range: Vref to -Vref
  • Onboard Reference with TBD PPM/°C Drift
  • Onboard Reference Buffer
  • High-Speed Parallel Interface
  • Wide Digital Supply 2.7 V to 5.25 V
  • 8-/16-/18-Bit Bus Transfer
  • 48-Pin 7x7 QFN Package
  • APPLICATIONS
    • Medical Instruments
    • Optical Networking
    • Transducer Interface
    • High Accuracy Data Acquisition Systems
    • Magnetometers
  • 1.25-MHz Sample Rate
  • ±1.5 LSB Typ, ±2.5 LSB Max INL
  • +0.8/-0.6 LSB Typ, +1.5/-1 LSB Max DNL
  • 18-Bit NMC Ensured Over Temperature
  • ±0.5-mV Offset Error
  • TBD-PPM/°C Offset Error Drift
  • ±0.1 %FSR Gain Error
  • ±TBD-PPM/°C Gain Error Drift
  • 99dB SNR, -117db THD, 120dB SFDR
  • Zero Latency
  • Low Power: 235 mW Typ at 1.25 MSPS
  • Pseudo-Bipolar Fully Differential Input Range: Vref to -Vref
  • Onboard Reference with TBD PPM/°C Drift
  • Onboard Reference Buffer
  • High-Speed Parallel Interface
  • Wide Digital Supply 2.7 V to 5.25 V
  • 8-/16-/18-Bit Bus Transfer
  • 48-Pin 7x7 QFN Package
  • APPLICATIONS
    • Medical Instruments
    • Optical Networking
    • Transducer Interface
    • High Accuracy Data Acquisition Systems
    • Magnetometers

The ADS8484 is an 18-bit, 1.25-MSPS A/C converter with an internal 4.096-V reference and a pseudo-bipolar, fully differential input. The device includes a 18-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8484 offers a full 18-bit interface, a 16-bit option where data is read using two read cycles, or an 8-bit bus option using three read cycles.

The ADS8484 is available in a 48-lead 7x7 QFN package and is characterized over the industrial -40°C to 85°C temperature range.

The ADS8484 is an 18-bit, 1.25-MSPS A/C converter with an internal 4.096-V reference and a pseudo-bipolar, fully differential input. The device includes a 18-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8484 offers a full 18-bit interface, a 16-bit option where data is read using two read cycles, or an 8-bit bus option using three read cycles.

The ADS8484 is available in a 48-lead 7x7 QFN package and is characterized over the industrial -40°C to 85°C temperature range.
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Typ Titel Datum
* Data sheet 18Bit 1.25MSPS Pseudo-Bipolar Fully Differential Input, Micropower Sampling ADC datasheet 29 Jun 2007

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