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MAX191ACWG+ - 

Analogue to Digital Converter, 12 bit, 100 kSPS, Differential, Pseudo Differential, Single Ended

MAX191ACWG+ - Analogue to Digital Converter, 12 bit, 100 kSPS, Differential, Pseudo Differential, Single Ended

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Manufacturer Part No:
MAX191ACWG+
Order Code:
2798917
Product Range
12-Bit SAR ADCs
Technical Datasheet:
MAX191ACWG+   Datasheet
See all Technical Docs

Product Overview

The MAX191ACWG+ from Maxim Integrated Products is a low-power, 12bit sampling ADC with internal reference and power-down in 24 WSOIC package. The MAX191 is a monolithic, CMOS, 12-bit ADC featuring differential inputs, track/hold (T/H), internal voltage reference, internal or external clock and parallel or serial µP interface. The MAX191 has a 7.5µs conversion time, a 2µs acquisition time and 100Ksps sample rate. The device features a logic power-down input which reduces the 3mA VDD supply current to 50µA maximum including the internal-reference current. Decoupling capacitors are the only external components needed for the power supply and reference. This ADC operates with either an external reference or an internal reference that features an adjustment input for trimming system gain errors. The MAX191 provides three interface modes two 8-bit parallel modes and a serial interface mode that is compatible with SPI, QSPI and MICROWIRE serial interface standards.
  • Single +5V supply or from dual ±5V supplies
  • INL is ±1/2, DNL is ±1LSB, offset error is ±1LSB, gain error is ±2LSB
  • Internal reference with adjustment capability
  • Low power 3mA operating mode, 20µA power down mode
  • Sampling rate is 100Ksps
  • Serial and 8bit parallel µP interface
  • Signal to noise plus distortion ratio is 70dB, total harmonic distortion is -80dB
  • Spurious-free dynamic range is 80dB
  • Conversion time is 12µs(internal CLK, CL = 120pF)
  • Operating temperature range from 0°C to 70°C

Applications

Signal Processing, Portable Devices, Consumer Electronics

Product Information

:
12bit
:
100kSPS
:
Differential, Pseudo Differential, Single Ended
:
Parallel, Serial
:
Single, Dual (+/-)
:
4.75V
:
5.25V
:
WSOIC
:
24Pins
:
0°C
:
70°C
:
12-Bit SAR ADCs
:
-
:
MSL 1 - Unlimited
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