Analog Devices Inc. AD9236BCPZRL7-80

Overview

AD9236BCPZRL7-80 from Analog Devices is a 12-bit, 80 MSPS analog-to-digital converter operating from a single 3 V supply (2.7 V to 3.6 V), featuring differential input with 500 MHz analog bandwidth, on-chip reference and sample-and-hold, and clock duty cycle stabilizer. It delivers SNR = 70.4 dBc and SFDR = 87.8 dBc at 40 MHz input, targeting IF sampling in communications receivers and medical ultrasound systems.

For engineers reviewing the AD9236BCPZRL7-80 datasheet, AD9236BCPZRL7-80 pinout, AD9236BCPZRL7-80 application, or AD9236BCPZRL7-80 equivalent, this page provides verified technical context, pin-level circuit roles, real-world application mappings, and validated alternative options for high-speed data acquisition designs requiring stable 12-bit resolution at 80 MSPS.

Technical Context

The AD9236BCPZRL7-80 implements a multistage differential pipelined architecture with output error correction logic, enabling guaranteed 12-bit accuracy and no missing codes across –40°C to +85°C. Its patented sample-and-hold amplifier supports both differential and single-ended configurations, with 100 MHz full-power bandwidth and flexible input range (1 V p-p to 2 V p-p).

It integrates a duty cycle stabilizer (DCS) that maintains performance over wide clock duty cycle variation, and features separate analog (AVDD) and digital output driver (DRVDD) supplies - supporting 2.5 V or 3.3 V logic families. The OTR (out-of-range) signal provides overflow detection synchronized to the pipeline latency of 7 clock cycles.

Key Specifications

Pinout & Package

The AD9236BCPZRL7-80 is packaged in a 32-lead LFCSP (CP-32-7) with exposed paddle, requiring soldering to PCB ground plane for thermal and reliability compliance per Analog Devices' design guidance.

Key Features

Applications

Equivalent & Alternatives

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

Compared with AD9236BCPZRL7-80, AD9235BCPZRL7-80 trades integrated reference for marginally lower cost and smaller footprint, while ADS5271IPFP shifts toward scalable multi-channel architectures at the expense of standalone usability and power efficiency.

Availability

AD9236BCPZRL7-80 is available at Aetrix Electronics and suitable for high-speed data acquisition, IF sampling in wireless infrastructure, and portable medical instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for AD9236BCPZRL7-80 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 semiconductors, headquartered in Norwood, MA, with design and manufacturing expertise spanning precision converters, amplifiers, and RF solutions.

The AD9236 product line targets high-speed, low-power digitization for communications, medical imaging, and test equipment - emphasizing single-supply operation, integrated references, and robust AC performance at 80 MSPS.

FAQ

What is the maximum analog input frequency supported by the AD9236BCPZRL7-80?

The AD9236BCPZRL7-80 has a full-power analog bandwidth of 500 MHz, meaning it can accurately digitize input signals up to that frequency under specified conditions. However, its usable Nyquist-limited input range is 0–40 MHz at 80 MSPS sampling rate. For undersampling applications, signals up to 100 MHz maintain 70.1 dBc SNR per the datasheet's AC specifications table.

Does the AD9236BCPZRL7-80 require an external reference, or does it include one?

The AD9236BCPZRL7-80 includes an on-chip voltage reference configurable for 1.0 V or 0.5 V output, selectable via the SENSE pin. It also supports external reference inputs through REFT/REFB pins. No external reference IC is required unless tighter initial accuracy or temperature drift specs than ±2 mV (1 V mode) are needed.

How does the duty cycle stabilizer (DCS) in the AD9236BCPZRL7-80 improve system design?

The DCS in the AD9236BCPZRL7-80 compensates for clock duty cycle variations from 30% to 70%, maintaining SNR and SFDR within specification. This allows designers to use clocks from non-50%-duty-cycle sources - such as PLLs with asymmetric outputs or FPGA-generated clocks - without adding external duty cycle correction circuitry.

What is the purpose of the OTR (out-of-range) signal on the AD9236BCPZRL7-80?

The OTR signal on the AD9236BCPZRL7-80 is an active-high indicator that the analog input exceeded the selected full-scale range. Used alongside the MSB, it distinguishes between low-side (negative) and high-side (positive) overflow, enabling real-time gain adjustment or clipping detection in closed-loop signal conditioning systems.

Is the AD9236BCPZRL7-80 pin-compatible with other members of the AD92xx family?

Yes, the AD9236BCPZRL7-80 is pin-compatible with AD9215, AD9235, and AD9245 in the same 32-lead LFCSP package. This enables hardware reuse across 10-bit to 14-bit resolutions and 20–80 MSPS sampling rates, simplifying platform scalability without PCB layout changes.