3-1/2 Digit A/D Converter and LCD Display Driver Single-Chip CMOS Solution

High-Precision A/D Converter with Integrated LCD Driver

The NTE2051 is a high-accuracy, low-power 3-1/2 digit analog-to-digital converter and LCD display driver, featuring a single-chip CMOS design. This device is engineered for integration in digital panel meters, measurement instruments, and portable electronic devices where clear, reliable numeric display and efficient conversion are essential.

Key Features & Benefits

• 3-1/2 Digit Display Output: Supports direct drive of LCD panels, eliminating the need for additional interface components.
• Guaranteed Zero Reading: Offers true zero output for 0V input across all measurement ranges.
• True Polarity at Zero: Ensures accurate null detection for differential measurements.
• Low Input Current: Typical input current of 1pA for enhanced accuracy and minimal power loss.
• Differential Input & Reference: Provides versatility for a wide range of measurement and reference configurations.
• Fully Integrated CMOS Single-Chip Solution: Incorporates all critical functions including seven-segment decoders, drivers, voltage reference, and system clock.
• Low Noise Performance: Noise limited to less than 15V peak-to-peak for consistent, reliable readings.
• Low Power Dissipation: Power consumption is typically under 10mW, making it ideal for battery-operated devices.

Technical Specifications

• Part Number: NTE2051
• Technology: CMOS
• Package: DIP40 (Through-Hole)
• Operating Temperature Range: 0C to +70C
• Power Dissipation: Typically <10mW
• Input Current: Typical 1pA
• Noise: Less than 15V p-p

Application & Usage

The NTE2051 is purpose-built for high-accuracy digital panel meters, portable measurement equipment, and custom instrument displays requiring stable, low-power performance and direct LCD interfacing. Its differential input architecture and integrated reference make it suitable for diverse analog measurement scenarios.

Simple to integrate and highly reliable, the NTE2051 is an industry-standard solution for digital readout applications demanding long-term precision and efficiency.

This part is the equivalent replacement for the following:

7106, 7106AAC, 7106CDL, 7106CPL, CIC5106, ECG2051, ICL7106, ICL7106CDL, ICL7106CPL, NJU9201BD, NTE2051, S7106, S7106CPL, SK10280, SK10280/2051, TSC7106, TSC7106CNN, TSC7106CPL, TSC7106PL Vetco stocks a complete inventory of electronic parts, including Integrated Circuits (IC’s), Transistors, Diodes, and LEDs. Looking for more information? Please click here to search NTE’s online component CROSS REFERENCE SEARCH