LTC1402CGN#PBF

Analog To Digital Converters (ADC) Overview

The LTC1402CGN#PBF is a 12-bit, 2.2Msps sampling analog-to-digital converter (ADC) in a 16-lead narrow SSOP package. It features a high dynamic range sample-and-hold and an internal precision reference. The device operates from a single 5V supply or dual ±5V supplies, consuming 90mW in active mode. It offers true differential inputs with a common mode rejection ratio of –62dB at 1MHz. Power management includes Nap mode (15mW) for instant wake-up and Sleep mode (10mW). The ADC provides a 3-wire serial interface compatible with DSPs and processors.

Analog To Digital Converters (ADC) Feature Summary

• 12-bit resolution with no missing codes over temperature
• 72dB S/(N + D) and –89dB THD at Nyquist frequency
• True differential inputs reject common mode noise
• Nap and Sleep power modes for low energy consumption

Analog To Digital Converters (ADC) Applications

• Telecommunications
• High speed data and signal acquisition
• Digitally multiplexed data acquisition systems
• Digital radio receivers
• Spectrum analysis

Analog To Digital Converters (ADC) Procurement Notes

Verify the component status as discontinued. Confirm the package type is 16-lead narrow SSOP. Ensure the suffix #PBF indicates lead-free compliance. Check for availability through authorized distributors or secondary markets due to end-of-life status.

Analog To Digital Converters (ADC) Selection Notes

Select this ADC for applications requiring 12-bit resolution at up to 2.2Msps. Use bipolar mode with ±5V supplies for optimal performance with op amps. Use unipolar mode with a single 5V supply for simpler power systems. Ensure the driving amplifier has sufficient bandwidth (>40MHz) to settle within the acquisition time.

Analog To Digital Converters (ADC) Part Context

The LTC1402 is part of the Linear Technology (now Analog Devices) family of high-speed sampling ADCs. It is designed for applications needing high dynamic range and low power consumption. The CGN variant specifies the commercial temperature range (0°C to 70°C) and the narrow SSOP package.

Analog To Digital Converters (ADC) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consider consulting Analog Devices for current replacements or evaluating similar 12-bit, 2.2Msps ADCs from other manufacturers if pin-compatible alternatives are required.