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MAX1276

Maxim Integrated Products
Part Number MAX1276
Manufacturer Maxim Integrated Products
Description (MAX1276 / MAX1278) 12-Bit ADCs
Published Sep 9, 2009
Detailed Description 19-3364; Rev 0; 8/04 www.DataSheet4U.com 1.8Msps, Single-Supply, Low-Power, TrueDifferential, 12-Bit ADCs with Interna...
Datasheet PDF File MAX1276 PDF File

MAX1276
MAX1276


Overview
19-3364; Rev 0; 8/04 www.
DataSheet4U.
com 1.
8Msps, Single-Supply, Low-Power, TrueDifferential, 12-Bit ADCs with Internal Reference General Description The MAX1276/MAX1278 are low-power, high-speed, serial-output, 12-bit, analog-to-digital converters (ADCs) that operate at up to 1.
8Msps and have an internal reference.
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 MAX1276/MAX1278 operate from a single +4.
75V to +5.
25V supply voltage.
The MAX1276/MAX1278 include a 4.
096V internal reference.
The MAX1276 has a unipolar analog input, while the MAX1278 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.
25 LSB INL) make the MAX1276/MAX1278 ideal for industrial process control, motor control, and base-station applications.
The MAX1276/MAX1278 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.
8Msps Sampling Rate ♦ Only 55mW (typ) Power Dissipation ♦ Only 1µA (max) Shutdown Current ♦ High-Speed, SPI-Compatible, 3-Wire Serial Interface ♦ 70dB S/(N + D) at 525kHz Input Frequency ♦ Internal True-Differential Track/Hold (T/H) ♦ Internal 4.
096V Reference ♦ No Pipeline Delays ♦ Small 12-Pin TQFN Package Features MAX1276/MAX1278 Ordering Information PART MAX1276CTC-T MAX1276ETC-T MAX1278CTC-T MAX1278ETC-T TEMP RANGE 0°C to +70°C -40...


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