Purchase ADS7812, In-stock ADS7812 From SeekIC.
Part Number: ADS7812
Description: The ADS7812 is a low-power, single +5V supply, 12- bit sampling analog-to-digital converter. It contai...
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ADS7812
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DataSheet
General Description
ADS7812 General Description
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 > 10MW). 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 16-pin 0.3" plastic DIP or a 16-lead SOIC package.
ADS7812 Maximum Ratings
Analog Inputs: R1IN ............................................................ ±16.5V
R2IN ..................................... GND 0.3V to +16.5V
R3IN ............................................................ ±16.5V
REF .................................. GND 0.3V to VS + 0.3V
CAP .................................... Indefinite Short to GND
Momentary Short to VS
VS .............................................................................................. 7V
Digital Inputs .......................................... GND 0.3V to VS + 0.3V
Maximum Junction Temperature ...................................... +165°C
Internal Power Dissipation ................................................ 825mW
Lead Temperature (soldering, 10s) ................................. +300°C
R2IN ..................................... GND 0.3V to +16.5V
R3IN ............................................................ ±16.5V
REF .................................. GND 0.3V to VS + 0.3V
CAP .................................... Indefinite Short to GND
Momentary Short to VS
VS .............................................................................................. 7V
Digital Inputs .......................................... GND 0.3V to VS + 0.3V
Maximum Junction Temperature ...................................... +165°C
Internal Power Dissipation ................................................ 825mW
Lead Temperature (soldering, 10s) ................................. +300°C
ADS7812 Features
·20ms max CONVERSION TIME
·SINGLE +5V SUPPLY OPERATION
·PIN-COMPATIBLE WITH 16-BIT ADS7813
·EASY-TO-USE SERIAL INTERFACE
·16-PIN 0.3" PLASTIC DIP AND SOIC
·±0.5LSB max INL AND DNL
·72dB min SINAD
·USES INTERNAL OR EXTERNAL REFERENCE
·MULTIPLE INPUT RANGES
·35mW max POWER DISSIPATION
·NO MISSING CODES
·50mW POWER DOWN MODE
·SINGLE +5V SUPPLY OPERATION
·PIN-COMPATIBLE WITH 16-BIT ADS7813
·EASY-TO-USE SERIAL INTERFACE
·16-PIN 0.3" PLASTIC DIP AND SOIC
·±0.5LSB max INL AND DNL
·72dB min SINAD
·USES INTERNAL OR EXTERNAL REFERENCE
·MULTIPLE INPUT RANGES
·35mW max POWER DISSIPATION
·NO MISSING CODES
·50mW POWER DOWN MODE
ADS7812 Typical Application
·DATA ACQUISITION SYSTEMS
·INDUSTRIAL CONTROL
·TEST EQUIPMENT
·DIGITAL SIGNAL PROCESSING
·INDUSTRIAL CONTROL
·TEST EQUIPMENT
·DIGITAL SIGNAL PROCESSING
ADS7812 Connection Diagram
ADS7812
PDF/DataSheet Download
- Datasheet: ADS7812
- File Size: 390278 KB
- Manufacturer: Burr-Brown
- Click here to Download
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