Product Summary

The MAX191ACWG is a monolithic, CMOS, 12-bit analog-to-digital converter (ADC) featuring differential inputs, track/hold (T/H), internal voltage reference, internal or external clock, and parallel or serial μP interface. The MAX191ACWG has a 7.5μs conversion time, a 2μs acquisition time, and a guaranteed 100ksps sample rate. The applications of the MAX191ACWG include Battery-Powered Data Logging, PC Pen Digitizers, High-Accuracy Process Control, Electromechanical Systems, Data-Acquisition Boards for PCs, Automatic Testing Systems, Telecommunications and Digital Signal Processing (DSP).

Parametrics

MAX191ACWG absolute maximum ratings: (1)VDD to DGND: -0.3V to +7V; (2)VSS to AGND: -7V to +0.3V; (3)VDD to VSS: 12V; (4)AGND, VREF, REFADJ to DGND: -0.3V to (VDD + 0.3V); (5)AIN+, AIN-, PD to VSS: -0.3V to (VDD + 0.3V); (6)CS, RD, CLK, BIP, HBEN, PAR, to DGND: -0.3V to (VDD + 0.3V); (7)BUSY, D0–D7 to DGND: -0.3V to (VDD + 0.3V); (8)Continuous Power Dissipation: 1067mW; (9)Operating Temperature Ranges: 0 to +70℃; (10)Storage Temperature Range: -65 to +160℃; (11)Lead Temperature (soldering, 10sec): +300℃.

Features

MAX191ACWG features: (1)12-Bit Resolution, 1/2LSB Linearity; (2)+5V or ±5V Operation; (3)Built-In Track/Hold; (4)Internal Reference with Adjustment Capability; (5)Low Power: 3mA Operating Mode 20μA Power-Down Mode; (6)100ksps Tested Sampling Rate; (7)Serial and 8-Bit Parallel μP Interface; (8)24-Pin Narrow DIP and Wide SO Packages.

Diagrams

MAX191ACWG functional diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MAX191ACWG
MAX191ACWG

Maxim Integrated Products

ADC (A/D Converters)

Data Sheet

Negotiable 
MAX191ACWG+
MAX191ACWG+

Maxim Integrated Products

ADC (A/D Converters) 12Bit 100ksps 5V Precision ADC

Data Sheet

0-1: $23.93
1-25: $15.95
25-50: $11.56
50-100: $11.42
MAX191ACWG-T
MAX191ACWG-T

Maxim Integrated Products

ADC (A/D Converters)

Data Sheet

Negotiable 
MAX191ACWG+T
MAX191ACWG+T

Maxim Integrated Products

ADC (A/D Converters) 12Bit 100ksps 5V Precision ADC

Data Sheet

0-780: $10.28
780-1000: $10.04