AD9237BCPZRL7-65

Overview

The AD9237BCPZRL7-65 is a monolithic, single-supply, 12-bit analog-to-digital converter operating at a maximum sampling rate of 65 MSPS. It utilizes a multistage differential pipelined architecture with output error correction logic to ensure no missing codes across the full industrial temperature range of −40°C to +85°C. The device consumes 190 mW at 65 MSPS and features a high-performance sample-and-hold amplifier with a 500 MHz bandwidth. Key electrical specifications include a signal-to-noise ratio of 66 dBc and a spurious-free dynamic range of 80 dBc at Nyquist. It supports flexible analog input spans from 1 V p-p to 4 V p-p and offers selectable data formats including offset binary, two's complement, and gray code.

Feature Summary

• Ultralow power consumption scaling with speed, dropping to 85 mW at 20 MSPS
• Patented sample-and-hold amplifier maintains performance for frequencies beyond Nyquist
• Flexible analog input configuration supporting both single-ended and differential modes
• Integrated clock duty cycle stabilizer ensures consistent performance across varying clock pulse widths

Applications

• Ultrasound and medical imaging systems
• Battery-powered instruments and hand-held scope meters
• Low-cost digital oscilloscopes
• Low-power digital still cameras and copiers
• Low-power communications equipment

Procurement Notes

Verify the specific ordering suffix RL7 corresponds to the reel packaging format required for your assembly line. Confirm that the DRVDD supply voltage matches your target logic family, as the device accommodates both 2.5 V and 3.3 V digital outputs. Ensure the analog supply AVDD is strictly regulated at 3 V for optimal dynamic performance specifications.

Selection Notes

Select this model when system power budgets are critical, as it offers significant savings over previous ADC generations. Choose the 65 MSPS variant if the application requires processing signals up to the Nyquist frequency with high linearity. Consider the separate DRVDD pin if interfacing with mixed-voltage logic families without level shifting components.

Part Context

This component belongs to the AD9237 family of low-power, 12-bit A/D converters available in 20, 40, and 65 MSPS variants. All members share the same 32-lead LFCSP package and functional block diagram, differing primarily in their maximum conversion rates and associated power dissipation profiles. The family is designed for easy PCB upgrades from existing high-performance ADCs due to pin compatibility.

Replacement Considerations

Public confirmed substitute part numbers: AD9237BCPZ-40, AD9237BCPZ-20.