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Analog-Digital-Wandler (ADCs)
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ADS7863

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Zweifacher, 2MSPS, 12-Bit, 3+3- oder 2+2-Kanal, Analog-zu-Digital-Wandler-SAR-Wandler mit simultaner

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ADS7863

NICHT FÜR NEUE DESIGNS EMPFOHLEN
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Produktdetails

Resolution (Bits) 12 Sample rate (max) (ksps) 2000 Number of input channels 4 Interface type SPI Architecture SAR Input type Pseudo-Differential Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.6 Input voltage range (min) (V) -0.1 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 35.5 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 SNR (dB) 71.5 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
Resolution (Bits) 12 Sample rate (max) (ksps) 2000 Number of input channels 4 Interface type SPI Architecture SAR Input type Pseudo-Differential Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.6 Input voltage range (min) (V) -0.1 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 35.5 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 SNR (dB) 71.5 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
SSOP (DBQ) 24 51.9 mm² 8.65 x 6 VQFN (RGE) 24 16 mm² 4 x 4
  • Four Fully- or Six Pseudo-Differential Inputs
  • SNR: 71dB, THD: –81dB
  • Programmable and Buffered Internal 2.5V Reference
  • Flexible Power-Down Features
  • Variable Power-Supply Ranges: 2.7V to 5.5V
  • Low-Power Operation: 45mW at 5V
  • Operating Temperature Range:
    –40°C to +125°C
  • Pin-Compatible with ADS7861 and ADS8361 (SSOP package)
  • APPLICATIONS
    • Motor Control
    • Multi-Axis Positioning Systems
    • Three-Phase Power Control

    All trademarks are the property of their respective owners.
    • Four Fully- or Six Pseudo-Differential Inputs
    • SNR: 71dB, THD: –81dB
    • Programmable and Buffered Internal 2.5V Reference
    • Flexible Power-Down Features
    • Variable Power-Supply Ranges: 2.7V to 5.5V
    • Low-Power Operation: 45mW at 5V
    • Operating Temperature Range:
      –40°C to +125°C
    • Pin-Compatible with ADS7861 and ADS8361 (SSOP package)
  • APPLICATIONS
    • Motor Control
    • Multi-Axis Positioning Systems
    • Three-Phase Power Control

    All trademarks are the property of their respective owners.

    The ADS7863 is a dual, 12-bit, 2MSPS, analog-to-digital converter (ADC) with four fully differential or six pseudo-differential input channels grouped into two pairs for high-speed, simultaneous signal acquisition. Inputs to the sample-and-hold (S/H) amplifiers are fully differential and are maintained differential to the input of the ADC. This architecture provides excellent common-mode rejection of 72dB at 100kHz, which is a critical performance characteristic in noisy environments.

    The ADS7863 is pin-compatible with the ADS7861, but offers additional features such as a programmable reference output, flexible supply voltage (2.7V to 5.5V for AVDD and BVDD), a pseudo-differential input multiplexer with three channels per ADC, and several power-down features.

    The ADS7863 is offered in an SSOP-24 and a 4×4mm QFN-24 package. It is specified over the extended operating temperature range of –40°C to +125°C.

    The ADS7863 is a dual, 12-bit, 2MSPS, analog-to-digital converter (ADC) with four fully differential or six pseudo-differential input channels grouped into two pairs for high-speed, simultaneous signal acquisition. Inputs to the sample-and-hold (S/H) amplifiers are fully differential and are maintained differential to the input of the ADC. This architecture provides excellent common-mode rejection of 72dB at 100kHz, which is a critical performance characteristic in noisy environments.

    The ADS7863 is pin-compatible with the ADS7861, but offers additional features such as a programmable reference output, flexible supply voltage (2.7V to 5.5V for AVDD and BVDD), a pseudo-differential input multiplexer with three channels per ADC, and several power-down features.

    The ADS7863 is offered in an SSOP-24 and a 4×4mm QFN-24 package. It is specified over the extended operating temperature range of –40°C to +125°C.
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    Technische Dokumentation

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    Typ Titel Datum
    * Data sheet Dual, 2MSPS, 12-Bit, 2 + 2 or 3 + 3 Channel, Simultaneous Sampling ADC datasheet (Rev. E) 19 Jan 2011

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