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MAX1247BEEE+ - 

Analogue to Digital Converter, High Speed, 12 bit, 133 kSPS, Differential, Single Ended, SPI

MAX1247BEEE+ - Analogue to Digital Converter, High Speed, 12 bit, 133 kSPS, Differential, Single Ended, SPI

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Manufacturer Part No:
MAX1247BEEE+
Order Code:
2513312
Product Range
Quad 12-Bit SAR ADCs
Technical Datasheet:
MAX1247BEEE+   Datasheet
See all Technical Docs

Product Overview

The MAX1247BEEE+ is a +2.7V, low power, 4-channel, serial 12bit analogue to digital converter (ADC) in 16 pin QSOP package. This ADC uses a successive approximation conversion technique and input track/hold (T/H) circuitry to convert an analogue signal to a 12bit digital output. A flexible serial interface provides easy interface to microprocessors (µPs). It use either an internal clock or an external serial interface clock to perform successive approximation analogue to digital conversions. It requires an external reference and has a reference buffer amplifier with a ±1.5% voltage adjustment range. Device provides a hard-wired SHDN(complementary) pin and a software-selectable power-down and can be programmed to automatically shut down at the end of a conversion. It is used in pen digitizers, data acquisition and process control.
  • Supply voltage range is 2.7V to 5.25V
  • Operating temperature range from -40°C to 85°C
  • 4-channel single ended or 2-channel differential inputs
  • SPI/QSPI/MICROWIRE/TMS320 compatible 4-wire serial interface
  • Software-configurable unipolar or bipolar inputs
  • Supply current of 1.8mA at VDD = 5.25V, 0.9mA at VDD = 3.6V (Operating mode, full-scale input)
  • Relative accuracy of ±1LSB, differential nonlinearity is ±1LSB & offset error of ±0.5LSB
  • Total harmonic distortion is -88dB, small-signal bandwidth is 2.25MHz at -3dB roll-off
  • Reference buffer gain is 2V/V
  • Maximum conversion time of 7.5µs at internal clock, SHDN(complementary) = FLOAT

Applications

Signal Processing, Industrial, Portable Devices, Medical

Product Information

:
12bit
:
133kSPS
:
Differential, Single Ended
:
SPI
:
Single
:
2.7V
:
5.25V
:
QSOP
:
16Pins
:
-40°C
:
85°C
:
Quad 12-Bit SAR ADCs
:
-
:
MSL 1 - Unlimited
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