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MAX1279

Maxim Integrated Products
Part Number MAX1279
Manufacturer Maxim Integrated Products
Description (MAX1277 / MAX1279) 12-Bit ADCs
Published Sep 9, 2009
Detailed Description 19-3365; Rev 0; 8/04 www.DataSheet4U.com 1.5Msps, Single-Supply, Low-Power, TrueDifferential, 12-Bit ADCs with Interna...
Datasheet PDF File MAX1279 PDF File

MAX1279
MAX1279


Overview
19-3365; Rev 0; 8/04 www.
DataSheet4U.
com 1.
5Msps, Single-Supply, Low-Power, TrueDifferential, 12-Bit ADCs with Internal Reference General Description The MAX1277/MAX1279 are low-power, high-speed, serial-output, 12-bit, analog-to-digital converters (ADCs) with an internal reference that operates at up to 1.
5Msps.
These devices feature true-differential inputs, offering better noise immunity, distortion improvements, and a wider dynamic range over single-ended inputs.
A standard SPI™/QSPI™/MICROWIRE™ interface provides the clock necessary for conversion.
These devices easily interface with standard digital signal processor (DSP) synchronous serial interfaces.
The MAX1277/MAX1279 operate from a single +2.
7V to +3.
6V supply voltage.
The MAX1277/MAX1279 include a 2.
048V internal reference.
The MAX1277 has a unipolar analog input, while the MAX1279 has a bipolar analog input.
These devices feature a partial power-down mode and a full power-down mode for use between conversions, which lower the supply current to 2mA (typ) and 1µA (max), respectively.
Also featured is a separate power-supply input (VL), which allows direct interfacing to +1.
8V to VDD digital logic.
The fast conversion speed, low-power dissipation, excellent AC performance, and DC accuracy (±1 LSB INL) make the MAX1277/MAX1279 ideal for industrial process control, motor control, and base-station applications.
The MAX1277/MAX1279 come in a 12-pin TQFN package, and are available in the commercial (0°C to +70°C) and extended (-40°C to +85°C) temperature ranges.
♦ 1.
5Msps Sampling Rate ♦ Only 22mW (typ) Power Dissipation ♦ Only 1µA (max) Shutdown Current ♦ High-Speed, SPI-Compatible, 3-Wire Serial Interface ♦ 68.
5dB S/(N + D) at 525kHz Input Frequency ♦ Internal True-Differential Track/Hold (T/H) ♦ Internal 2.
048V Reference ♦ No Pipeline Delays ♦ Small 12-Pin TQFN Package Features MAX1277/MAX1279 Ordering Information PART MAX1277ACTC-T MAX1277BCTC-T MAX1277AETC-T MAX1277BETC-T MAX1279ACTC-T MAX1279BCTC-T M...


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