LTC1608IG#TRPBF

Analog To Digital Converters (ADC) Overview

The LTC1608IG#TRPBF is a high-speed, 16-bit sampling analog-to-digital converter (ADC) operating at 500ksps. It features a differential input sample-and-hold with a –2.5V full-scale range and 15MHz bandwidth. The device draws 270mW from ±5V supplies and includes an internal 2.5V reference. Key performance metrics include 90dB S/(N+D), –100dB THD, and no pipeline delay. It offers two shutdown modes: Nap (7mW) and Sleep (10mW). The part uses a 36-lead SSOP package and supports I/O voltages compatible with both 3V and 5V logic systems.

Analog To Digital Converters (ADC) Feature Summary

• 16-bit resolution with 500ksps sampling rate
• 90dB S/(N+D) and –100dB THD typical performance
• Two power shutdown modes: Nap (7mW) and Sleep (10mW)
• Internal 2.5V reference with external reference capability

Analog To Digital Converters (ADC) Applications

• Telecommunications
• Digital Signal Processing
• Multiplexed Data Acquisition Systems
• High Speed Data Acquisition
• Spectrum Analysis
• Imaging Systems

Analog To Digital Converters (ADC) Procurement Notes

Verify the ordering suffix #TRPBF indicates tape and reel packaging. Confirm the 'I' grade designation corresponds to the –40°C to +85°C industrial temperature range. Ensure supply voltages are maintained within 4.75V to 5.25V for AVDD, DVDD, and OVDD, and –5.25V to –4.75V for VSS.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring low distortion and high dynamic range without pipeline latency. The differential input architecture rejects common-mode noise, making it suitable for noisy environments. Consider the 2ms throughput time and 400ns acquisition time when designing system timing constraints.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC1608 family of 16-bit ADCs. It is pin-compatible with the LTC1604. The 'IG' suffix denotes the industrial temperature range variant in the 36-lead SSOP package.

Analog To Digital Converters (ADC) Replacement Considerations

The LTC1604 is a pin-compatible alternative within the same family. Verify interface compatibility and specific performance requirements before substitution.

Analog To Digital Converters (ADC) FAQ

What is the wake-up time from Sleep mode?

The wake-up time from Sleep mode is approximately 80ms when using the recommended 22µF capacitor on the REFCOMP pin.

Can the LTC1608 interface with 3V digital systems?

Yes, the digital inputs recognize 3V or 5V signals, and the dedicated OVDD pin allows the output drivers to swing appropriately for 3V logic.

How is the differential input range defined?

The full-scale input range is –2.5V differential between AIN+ and AIN–. AIN+ has a –2.5V range when AIN– is grounded.