ADS4242IRGCR

Analog To Digital Converters (ADC) Overview

The ADS4242IRGCR is a dual-channel, 14-bit analog-to-digital converter (ADC) from Texas Instruments. It operates at a sampling rate of 65 MSPS with a pipeline architecture and differential input type. The device utilizes parallel CMOS or LVDS output interfaces and functions on a single 1.8 V supply for both analog and digital domains. Key performance metrics include a signal-to-noise ratio (SNR) of 73.6 dB, an effective number of bits (ENOB) of 11.9, and a differential nonlinearity (DNL) of +/- 1.7 LSB. Power consumption is rated at 183 mW. It is housed in a VQFN-64 package and supports an operating temperature range from -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel configuration with low power consumption enabled by a single 1.8 V supply design.
• Integrated internal reference voltage eliminates the need for external reference components and decoupling capacitors.
• Flexible digital output interface supporting both parallel CMOS and double data rate (DDR) LVDS modes.

Analog To Digital Converters (ADC) Applications

• Software-defined radio systems
• Wireless local loop infrastructure
• Point-to-point microwave communication links

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix against official documentation to confirm package variant and tape-and-reel specifications. Ensure compatibility with existing board layouts regarding the VQFN-64 footprint and thermal pad requirements. Confirm that the selected component meets the required industrial temperature range and RoHS compliance standards for the intended deployment environment.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a balance between high resolution and moderate speed is required for multi-carrier applications. Compare SNR and power dissipation against alternative models in the ADS42xx family to ensure alignment with system dynamic range and thermal constraints. Verify interface compatibility with downstream processing units before finalizing the design.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS42xx series of ultra-low-power, dual-channel ADCs designed for broadband communications. It shares architectural similarities with variants like the ADS4245 and ADS4246 but offers specific resolution and speed characteristics tailored for cost-sensitive, power-constrained wireless infrastructure applications requiring high linearity.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible alternatives within the same series include the ADS4245 and ADS4246. Verify functional equivalence regarding sampling rate and resolution before substitution. Cross-reference datasheets to ensure interface timing and power supply requirements remain compatible with the existing design.

Analog To Digital Converters (ADC) FAQ

What is the maximum sampling rate of the ADS4242IRGCR?

The maximum sampling rate is 65 MSPS.

Does the ADS4242IRGCR require an external voltage reference?

No, the device includes an internal reference voltage, removing the need for external reference components.

What digital output interfaces are supported?

The device supports both parallel CMOS and double data rate (DDR) LVDS output interfaces.