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MAX191

Maxim
Part Number MAX191
Manufacturer Maxim
Description 12-Bit Sampling ADC
Published May 5, 2014
Detailed Description 19-4506; Rev 4; 2/97 ANUAL N KIT M EET IO T A U EVAL TA SH WS DA FOLLO Low-Power, 12-Bit Sampling ADC with Internal Re...
Datasheet PDF File MAX191 PDF File

MAX191
MAX191


Overview
19-4506; Rev 4; 2/97 ANUAL N KIT M EET IO T A U EVAL TA SH WS DA FOLLO Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down General Description ____________________________Features o o o o o 12-Bit Resolution, 1/2LSB Linearity +5V or ±5V Operation Built-In Track/Hold Internal Reference with Adjustment Capability Low Power: 3mA Operating Mode 20µA Power-Down Mode o 100ksps Tested Sampling Rate o Serial and 8-Bit Parallel µP Interface o 24-Pin Narrow DIP and Wide SO Packages MAX191 The MAX191 is a monolithic, CMOS, 12-bit analog-todigital converter (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 a guaranteed 100ksps sample rate.
The MAX191 operates from a single +5V supply or from dual ±5V supplies, allowing ground-referenced bipolar input signals.
The device features a logic power-down input, which reduces the 3mA VDD supply current to 50µA max, 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 SPITM, QSPITM, and MICROWIRETM serialinterface standards.
Ordering Information PART MAX191ACNG MAX191BCNG MAX191ACWG MAX191BCWG MAX191BC/D MAX191AENG MAX191BENG MAX191AEWG MAX191BEWG MAX191AMRG MAX191BMRG TEMP.
RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -55°C to +125°C -55°C to +125°C PIN-PACKAGE 24 Narrow Plastic DIP 24 Narrow Plastic DIP 24 Wide SO 24 Wide SO Dice* 24 Narrow Plastic DIP 24 Narrow Plastic DIP 24 Wide SO 24 Wide SO 24 Narrow CERDIP** 24 N...


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