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ADS7812

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Energieeffizienter Analog-zu-Digital-Wandler mit serieller 12-Bit-Abtastung

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ADS7812

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Produktdetails

Resolution (Bits) 12 Sample rate (max) (ksps) 40 Number of input channels 1 Interface type SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 10 Input voltage range (min) (V) -10 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 35 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 74 Digital supply (min) (V) 4.75 Digital supply (max) (V) 5.25
Resolution (Bits) 12 Sample rate (max) (ksps) 40 Number of input channels 1 Interface type SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 10 Input voltage range (min) (V) -10 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 35 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 74 Digital supply (min) (V) 4.75 Digital supply (max) (V) 5.25
SOIC (DW) 16 106.09 mm² (10.3 mm × 10.3 mm) PDIP (N) 16 181.42 mm² (19.3 mm × 9.4 mm)
  • 20µs max CONVERSION TIME
  • SINGLE +5V SUPPLY OPERATION
  • PIN-COMPATIBLE WITH 16-BIT ADS7813
  • EASY-TO-USE SERIAL INTERFACE
  • 0.3" DIP-16 AND SO-16
  • ±0.5LSB max INL AND DNL
  • 72dB min SINAD
  • USES INTERNAL OR EXTERNAL REFERENCE
  • MULTIPLE INPUT RANGES
  • 35mW max POWER DISSIPATION
  • NO MISSING CODES
  • 50µW POWER DOWN MODE
  • APPLICATIONS
    • DATA ACQUISITION SYSTEMS
    • INDUSTRIAL CONTROL
    • TEST EQUIPMENT
    • DIGITAL SIGNAL PROCESSING

Note: Recommended Voltage Reference: REF02 and REF102
All trademarks are the property of their respective owners.
  • 20µs max CONVERSION TIME
  • SINGLE +5V SUPPLY OPERATION
  • PIN-COMPATIBLE WITH 16-BIT ADS7813
  • EASY-TO-USE SERIAL INTERFACE
  • 0.3" DIP-16 AND SO-16
  • ±0.5LSB max INL AND DNL
  • 72dB min SINAD
  • USES INTERNAL OR EXTERNAL REFERENCE
  • MULTIPLE INPUT RANGES
  • 35mW max POWER DISSIPATION
  • NO MISSING CODES
  • 50µW POWER DOWN MODE
  • APPLICATIONS
    • DATA ACQUISITION SYSTEMS
    • INDUSTRIAL CONTROL
    • TEST EQUIPMENT
    • DIGITAL SIGNAL PROCESSING

Note: Recommended Voltage Reference: REF02 and REF102
All trademarks are the property of their respective owners.

The ADS7812 is a low-power, single +5V supply, 12-bit sampling analog-to-digital converter. It contains a complete 12-bit capacitor-based SAR A/D with a sample/hold, clock, reference, and serial data interface.

The converter can be configured for a variety of input ranges including ±10V, ±5V, 0V to 10V, and 0.5V to 4.5V. A high impedance 0.3V to 2.8V input range is also available (input impedance > 10M). For most input ranges, the input voltage can swing to +16.5V or –16.5V without damage to the converter.

A flexible SPI compatible serial interface allows data to be synchronized to an internal or external clock. The ADS7812 is specified at a 40kHz sampling rate over the –40°C to +85°C temperature range. It is available in a 0.3" DIP-16 or an SO-16 package.

The ADS7812 is a low-power, single +5V supply, 12-bit sampling analog-to-digital converter. It contains a complete 12-bit capacitor-based SAR A/D with a sample/hold, clock, reference, and serial data interface.

The converter can be configured for a variety of input ranges including ±10V, ±5V, 0V to 10V, and 0.5V to 4.5V. A high impedance 0.3V to 2.8V input range is also available (input impedance > 10M). For most input ranges, the input voltage can swing to +16.5V or –16.5V without damage to the converter.

A flexible SPI compatible serial interface allows data to be synchronized to an internal or external clock. The ADS7812 is specified at a 40kHz sampling rate over the –40°C to +85°C temperature range. It is available in a 0.3" DIP-16 or an SO-16 package.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt ADS7812: Low-Power, Serial 12-Bit Sampling Analog-To-Digital Converter datasheet (Rev. A) 16.09.2003
* Errata Errata: ADS78xx 22.10.2012

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