Analog Devices Inc. AD9629BCPZ-65

Overview

AD9629BCPZ-65 from Analog Devices is a 12-bit, 65 MSPS monolithic analog-to-digital converter operating from a single 1.8 V analog supply, featuring differential 700 MHz input bandwidth, on-chip voltage reference and sample-and-hold, and 2 V p-p differential analog input range. It delivers 71.3 dBFS SNR at 9.7 MHz and 69.0 dBFS at 200 MHz input, supporting communications infrastructure and portable medical imaging systems.

For engineers reviewing the AD9629BCPZ-65 datasheet, AD9629BCPZ-65 pinout, AD9629BCPZ-65 application, or AD9629BCPZ-65 equivalent, key selection considerations include its 65 MSPS conversion rate, 1.8 V analog/1.8–3.3 V digital output supply flexibility, programmable clock divider (1/2/4), SPI-configurable data format (offset binary/gray/twos complement), and low-power 85 mW operation at full rate.

Technical Context

The AD9629BCPZ-65 employs a multistage differential pipeline architecture with output error correction logic to guarantee 12-bit accuracy and no missing codes over −40°C to +85°C. Its sample-and-hold circuit supports input frequencies up to 200 MHz while maintaining <0.16 LSB DNL and ±0.16 LSB INL at 25°C.

It integrates a standard serial port interface (SPI) for configuration of data alignment, clock/data timing, power-down modes, and built-in test pattern generation. The differential clock inputs accept CMOS/LVDS/LVPECL signals, and the digital outputs support both 1.8 V and 3.3 V CMOS logic levels with programmable DCO timing.

Key Specifications

Pinout & Package

The AD9629BCPZ-65 is housed in a 32-lead RoHS-compliant LFCSP (5 mm × 5 mm) with exposed paddle soldered to AGND for thermal and noise integrity.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar analog-to-digital conversion applications.

Compared with AD9629BCPZ-65, AD9609BCPZ-65 trades 2 bits of resolution for lower cost and power, while AD9649BCPZ-65 adds 2 bits at higher power and cost-enabling resolution-scaling without PCB changes in communications and medical platforms.

Availability

AD9629BCPZ-65 is available at Aetrix Electronics and suitable for communications infrastructure, portable medical imaging, and radar/LIDAR systems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for AD9629BCPZ-65 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, headquartered in Norwood, MA.

The AD9629 product line delivers high-speed, low-power ADCs for demanding RF and instrumentation applications, designed specifically for direct RF sampling, software-defined radio, and portable diagnostic equipment where size, power, and precision are critical.

FAQ

What is the maximum analog input frequency supported by the AD9629BCPZ-65?

The AD9629BCPZ-65 supports analog input frequencies up to 200 MHz while maintaining specified AC performance, including 69.0 dBFS SNR and 83 dBc SFDR. Its 700 MHz analog input bandwidth ensures minimal amplitude roll-off and phase distortion across this range, making it suitable for IF sampling in wireless infrastructure and radar systems.

Does the AD9629BCPZ-65 require an external voltage reference?

No-the AD9629BCPZ-65 includes an on-chip 1.0 V voltage reference with ±1.2% tolerance over temperature. External reference is optional via the VREF pin and is only needed when tighter reference accuracy or custom reference voltage is required for system-level calibration.

How does the AD9629BCPZ-65 manage power consumption at different sample rates?

The AD9629BCPZ-65 scales power linearly with sample rate: 45 mW at 20 MSPS, 85 mW at 65 MSPS, and 100 mW at 80 MSPS. Standby mode consumes 34 mW, and full power-down drops to 0.5 mW-enabling adaptive power management in battery-powered ultrasound and handheld test equipment.

Can the AD9629BCPZ-65 interface directly with 3.3 V FPGA I/O banks?

Yes-the AD9629BCPZ-65 supports 1.8 V to 3.3 V digital output driver supply (DRVDD). When DRVDD = 3.3 V, its D0–D11 outputs meet 3.3 V CMOS voltage levels (VOH ≥ 3.25 V, VOL ≤ 0.2 V), enabling direct connection to 3.3 V FPGA I/O without level shifters.

What clock input standards are compatible with the AD9629BCPZ-65?

The AD9629BCPZ-65 differential clock inputs (CLK+/CLK−) accept CMOS, LVDS, and LVPECL logic standards. Internal common-mode bias is fixed at 0.9 V, and differential input voltage range is 0.2 V to 3.6 V p-p-allowing flexible clock source selection without external termination or bias networks.