LTC1609CSW#TRPBF

Analog To Digital Converters (ADC) Overview

The LTC1609CSW#TRPBF is a 16-bit, 200ksps serial sampling analog-to-digital converter (ADC) housed in a 20-lead plastic SO package. It operates from a single 5V supply and dissipates 65mW typically. The device integrates a sample-and-hold circuit, precision reference, switched-capacitor successive approximation A/D core, and trimmed internal clock. It supports multiple input ranges: unipolar (0V to 10V, 0V to 5V, 0V to 4V) and bipolar (–10V, –5V, –3.3V). Key electrical specifications include a typical signal-to-noise ratio of 87dB, guaranteed no missing codes over temperature, and ±2LSB integral nonlinearity error.

Analog To Digital Converters (ADC) Feature Summary

• 16-bit resolution with 200ksps sampling rate
• Multiple input ranges: Unipolar (0V to 10V/5V/4V) and Bipolar (–10V/–5V/–3.3V)
• Single 5V supply operation with 65mW typical power dissipation
• Integrated 2.5V reference and internal clock

Analog To Digital Converters (ADC) Applications

• Industrial process control systems
• Multiplexed data acquisition systems
• High-speed data acquisition for PCs
• Digital signal processing applications

Analog To Digital Converters (ADC) Procurement Notes

Verify the ordering suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the C suffix corresponds to the commercial temperature range of 0°C to 70°C. Ensure the 20-pin SO package footprint matches the PCB design constraints. Cross-reference the manufacturer designation as Analog Devices Inc. or Linear Technology for accurate component identification.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring 16-bit accuracy at moderate speeds up to 200ksps. It is suitable for systems needing flexible input voltage ranges without external scaling amplifiers. Consider the single 5V supply requirement and the availability of both internal and external reference options. The serial interface simplifies connections to microprocessors and DSPs compared to parallel ADCs.

Analog To Digital Converters (ADC) Part Context

The LTC1609 is part of the Linear Technology (now Analog Devices) family of serial sampling ADCs. It serves as an improved second source to the ADS7809 and AD977A. The CSW variant specifically denotes the 20-lead SOIC package version, distinct from the 28-lead SSOP package available in other variants like the LTC1609CG.

Analog To Digital Converters (ADC) Replacement Considerations

Publicly confirmed direct substitutes include the ADS7809 and AD977A, which are noted as predecessors or equivalent sources in the datasheet documentation.