AD9645BCPZ-125

Analog To Digital Converters (ADC) Overview

The AD9645BCPZ-125 is a dual-channel, 14-bit analog-to-digital converter (ADC) operating at a maximum sampling rate of 125 MSPS. It features a multistage pipelined architecture with integrated digital correction logic and an on-chip sample-and-hold circuit. The device operates from a single 1.8 V supply for both analog and digital domains, consuming approximately 122 mW per channel at full speed. It provides serial LVDS outputs compliant with ANSI-644 standards, offering two data lanes per channel. Key performance metrics include a signal-to-noise ratio (SNR) of 74 dBFS to Nyquist and a spurious-free dynamic range (SFDR) of 91 dBc at 70 MHz input frequency. The component is housed in a 32-lead LFCSP package.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel 14-bit resolution with 125 MSPS conversion rate
• Low power consumption with scalable options and standby modes
• Serial LVDS output interface with flexible bit orientation
• Integrated SPI control for configuration and test pattern generation

Analog To Digital Converters (ADC) Applications

• Multimode digital receivers
• Diversity radio and smart antenna systems
• I/Q demodulation systems
• Portable medical imaging and ultrasound
• Radar/LIDAR applications

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'BCPZ' against the manufacturer's official ordering guide to confirm package type, lead finish, and temperature grade specifications. Ensure that the required automotive qualification status aligns with project requirements, as standard and W-grade variants may differ in operational temperature ranges and reliability certifications.

Analog To Digital Converters (ADC) Selection Notes

Select this model when a dual-channel high-speed ADC with low power consumption is required. Compare the 125 MSPS variant against the 80 MSPS version based on bandwidth needs. Consider pin compatibility with the AD9635 if future migration to a 12-bit resolution is anticipated. Verify clock input compatibility with LVPECL, LVDS, or CMOS sources.

Analog To Digital Converters (ADC) Part Context

The AD9645 belongs to Analog Devices' high-speed ADC family designed for space-constrained applications. It shares a pin-compatible footprint with the 12-bit AD9635, facilitating design flexibility across different resolution requirements within the same product line. The device is optimized for communications and instrumentation markets requiring high dynamic range.

Analog To Digital Converters (ADC) Replacement Considerations

AD9645BCPZ-80: Offers identical pinout and functionality but operates at a reduced 80 MSPS sampling rate.