Calibrated 4-Channel 12-Bit ADC

The MX7582 is a complete, calibrated 4-channel 12-bit A/D converter which maintains true 12-bit performance over the full operating temperature range without external adjustments. In addition, each 100μs conversion includes an auto-zero cycle which reduces zero errors to typically below 100μV.

CHIP SELECT, READ, and WRITE inputs are included for easy microprocessor interfacing without additional logic. 2-byte, 12-bit conversion data is provided over an 8-bit three-state output bus. Either byte may be read first. Two address bits control the 4-channel input multiplexer.

The MX7582's analog input range is 0V to +5V when using a +5V reference. All four high-impedance input channels have excellent matching (typically 0.05LSB).

APPLICATIONS

* Digital-Signal Processing

* Audio and Telecom Processing

* High-Accuracy Process Control

* High-Speed Data Acquisition

* True 12-Bit Performance without Adjustments

* Minimum External Components

* Four High-Impedance Input Channels

* Zero Error Typically <100μV

* Standard Microprocessor Interface

* 28-Pin DIP, Wide SO, and PLCC Packages