Analog Devices Inc. AD9239BCPZ-210

Overview

AD9239BCPZ-210 from Analog Devices is a quad-channel, 12-bit, 210 MSPS serial-output analog-to-digital converter with on-chip temperature sensor, 780 MHz full-power analog bandwidth, and coded serial output with ECC per channel. It operates from a single 1.8 V supply and delivers 64.2 dB SNR at 84.3 MHz input frequency, targeting high-dynamic-range digitization in broadband radio receivers and radar subsystems.

For engineers reviewing the AD9239BCPZ-210 datasheet, AD9239BCPZ-210 pinout, AD9239BCPZ-210 application, or AD9239BCPZ-210 equivalent, key selection considerations include its 210 MSPS sampling rate, CML serial output compliance (3.36 Gbps/channel), deterministic jitter (10 ps max), channel-to-channel crosstalk (−95 dB), and programmable input voltage range (1.0–1.5 V p-p differential).

Technical Context

The AD9239BCPZ-210 implements a pipelined switched-capacitor ADC architecture with digital correction logic, sampling on the rising clock edge and delivering 40-clock-cycle pipeline latency. Each of the four independent ADC cores features a differential sample-and-hold amplifier and integrated clock duty cycle stabilizer (DCS) to maintain performance across wide input duty cycle ranges.

Its serial interface uses current-mode logic (CML) drivers with embedded clock recovery, packetized output format (64-bit packets: 8-bit header + 4×12-bit samples + 8-bit ECC), and supports deterministic skew control-channel-to-channel packet skew is limited to +1 CLK cycle at 210 MSPS.

Key Specifications

Pinout & Package

The AD9239BCPZ-210 is housed in a Pb-free/RoHS-compliant 72-lead LFCSP package (10 mm × 10 mm × 0.85 mm) with exposed paddle soldered to ground plane for thermal and EMI performance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-channel, high-speed ADC applications.

Compared with AD9239BCPZ-250 and AD9695-260EBZ, the AD9239BCPZ-210 uniquely balances 210 MSPS throughput, on-chip ECC protection, and integrated thermal sensing-making it optimal for space-constrained, reliability-critical RF front-ends where 12-bit resolution suffices and deterministic serial output is preferred over JESD204B complexity.

Availability

AD9239BCPZ-210 is available at Aetrix Electronics and suitable for communication receivers, cable head-end equipment, and radar subsystems requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for AD9239BCPZ-210 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, communications, and industrial markets since 1965.

The AD9239 product line delivers quad-channel, high-speed ADCs optimized for broadband RF digitization in wireless infrastructure, defense electronics, and test equipment-emphasizing integration, serial interface simplicity, and thermal-aware design.

FAQ

What is the maximum analog input frequency supported by the AD9239BCPZ-210?

The AD9239BCPZ-210 has a 780 MHz full-power analog bandwidth, meaning it maintains specified dynamic performance (e.g., SNR, SFDR) for input signals up to 780 MHz. At 210 MSPS sampling, this supports digitization of signals in the first through third Nyquist zones-up to ~390 MHz for baseband applications or higher IF frequencies with appropriate anti-alias filtering. Performance degrades beyond 780 MHz due to front-end roll-off.

Does the AD9239BCPZ-210 support JESD204B interface?

No, the AD9239BCPZ-210 does not support JESD204B. It uses a proprietary high-speed CML serial interface delivering 3.36 Gbps per channel in packetized format (64-bit packets with header, 4×12-bit samples, and 8-bit ECC). This differs from JESD204B's frame-based, multi-lane, deterministic latency protocol and requires custom FPGA logic for deserialization and packet parsing.

How is the on-chip temperature sensor used in the AD9239BCPZ-210?

The AD9239BCPZ-210's TEMPOUT pin provides an analog voltage output proportional to die temperature (−1.12 mV/°C slope, 737 mV at 25°C). To use it, connect TEMPOUT to an external ADC or monitor circuit; calibration is performed using two-point measurement. This sensor enables real-time thermal compensation of gain/offset drift in radar or test equipment applications without adding discrete sensors.

Can the AD9239BCPZ-210 operate with a single-ended clock input?

Yes-the AD9239BCPZ-210 supports single-ended CMOS clock drive: CLK+ accepts 1.8 V or 3.3 V logic directly, while CLK− is bypassed to ground via a 0.1 µF capacitor in parallel with a 39 kΩ resistor. However, differential clocking (LVDS/LVPECL) is strongly recommended to minimize jitter and maximize SNR/SFDR, especially above 100 MHz input frequencies.

What is the purpose of the programmable PGMx pins on the AD9239BCPZ-210?

The four PGMx pins (PGM0–PGM3) on the AD9239BCPZ-210 are configurable general-purpose I/Os controlled via SPI registers. They can be assigned as GPIO outputs, test mode selectors, or status indicators-enabling flexible board-level customization without hardware changes. Their state is latched at power-up or reset and can be modified dynamically during operation for adaptive system control.