ADC0809 8-Bit A/D Converter with 8-Channel Multiplexer IC DIP-28 Package

ADC0809 Data Acquisition Component

Monolithic CMOS device with 8-bit ADC, 8-channel multiplexer, and microprocessor control logic.

• Part number: ADC0809-N
• Resolution (Bits): 8
• Sample rate (Max) (kSPS): 10
• Number of input channels: 8
• Interface: Parallel
• Operating temperature range (C): -40 to 85
• Package Group: PLCC | 28
• Power consumption (Typ) (mW): 15

Features:

• Easy interface to all microprocessors
• Operates ratiometrically or with 5 VDC
• No zero or full-scale adjust required
• 8-channel multiplexer with address logic

The ADC0809 is designed with a high impedance chopper stabilized comparator and a 256R voltage divider with an analog switch tree. It offers high speed, accuracy, minimal temperature dependence, and low power consumption. The device is suitable for various applications from process control to consumer electronics.

Easy interfacing to microprocessors is facilitated by the latched and decoded multiplexer address inputs and latched TTL TRI-STATE outputs. The ADC0809 eliminates the need for external zero and full-scale adjustments.

The design incorporates the most desirable aspects of various A/D conversion techniques, ensuring excellent long-term accuracy and repeatability.

The ADC0809 is equivalent to MM74C949-1 and meets TTL voltage level specifications.

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