AD9635BCPZ-80

Analog To Digital Converters (ADC) Overview

The AD9635BCPZ-80 is a dual-channel, 12-bit analog-to-digital converter (ADC) from Analog Devices Inc., operating at a maximum sampling rate of 80 MSPS. It features a single 1.8 V power supply and serial LVDS digital outputs compliant with ANSI-644 standards. The device includes an on-chip sample-and-hold circuit, a 1.0 V internal voltage reference, and a common-mode voltage generator. Key electrical specifications include a full-power analog bandwidth of 650 MHz, a differential input voltage range of 2 V p-p, and a typical signal-to-noise ratio (SNR) of 71 dBFS. It operates within an industrial temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel architecture providing two independent 12-bit ADCs in a compact package.
• Low power consumption with scalable options and individual channel power-down modes.
• Flexible clock input supporting CMOS, LVDS, or LVPECL logic levels.
• Integrated SPI control for programmable output resolution, data alignment, and test patterns.

Analog To Digital Converters (ADC) Applications

• Communications systems including GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, and TD-SCDMA.
• Diversity radio systems and multimode digital receivers.
• I/Q demodulation systems and smart antenna applications.
• Portable medical imaging, ultrasound, and handheld scope meters.
• Radar and LIDAR broadband data acquisition.

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'BCPZ' against official documentation to confirm pinout compatibility and thermal characteristics relative to other variants. Ensure the selected variant matches the required 80 MSPS conversion rate specification. Confirm RoHS compliance status through the manufacturer's current product change notifications before finalizing procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a small footprint is critical, as it integrates two channels in a 32-lead LFCSP package. It offers pin compatibility with the AD9645, facilitating design transitions between 12-bit and 14-bit resolutions. Consider the low power profile and flexible bit orientation if system constraints require optimized energy usage or specific data formatting.

Analog To Digital Converters (ADC) Part Context

The AD9635 belongs to a family of high-speed, low-power serial LVDS ADCs designed for space-constrained applications. It serves as a cost-effective solution for multi-channel data acquisition where moderate sampling rates and high dynamic performance are required. The device simplifies system design by eliminating the need for external references and driver components in many configurations.

Analog To Digital Converters (ADC) Replacement Considerations

The AD9635BCPZ-125 is a compatible alternative offering a higher sampling rate of 125 MSPS while maintaining pin compatibility. Designers requiring increased throughput may transition to this variant without altering the PCB layout.