Datasheet for LTC1272:
- Manufacturer Part Number : LTC1272
- Manufacturer : AD
- Description : 12-Bit, 3µs, 250kHz Sampling A/D Converter
- Series : LTC1272
- Reference Price : USD 14.2
- Our Price : We have a better price, contact us by email
- Product Type : Precision A/D Converters
- Function : Single Channel A/D Converters
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LTC1272
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC1272 is a 3µs, 12-bit, successive approximation sampling A/D converter. It has the same pinout as the industry standard AD7572 and offers faster conversion time, on-chip sample-and-hold, and single supply operation. It uses LTBiCMOS™ switched-capacitor technology to combine a high speed 12-bit ADC with a fast, accurate sample-and-hold and a precision reference.
The LTC1272 operates with a single 5V supply but can also accept the 5V/–15V supplies required by the AD7572 (Pin 23, the negative supply pin of the AD7572,is not connected on the LTC1272). The LTC1272 has the same 0V to 5V input range as the AD7572 but, to achieve single supply operation, it provides a 2.42V reference output instead of the –5.25V of the AD7572. It plugs in for the AD7572 if the reference capacitor polarity is reversed and a 1µs sample-and-hold acquisition time is allowed between conversions.
The output data can be read as a 12-bit word or as two 8-bit bytes. This allows easy interface to both 8-bit and higher processors. The LTC1272 can be used with a crystal or an external clock and comes in speed grades of 3µs and 8µs.
Applications
- High Speed Data Acquisition
- Digital Signal Processing (DSP)
- Multiplexed Data Acquisition Systems
- Single Supply Systems
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
