Analog Devices Inc. AD9249BBCZRL7-65

Overview

AD9249BBCZRL7-65 from Analog Devices is a 16-channel, 14-bit, 65 MSPS serial LVDS analog-to-digital converter operating from a single 1.8 V supply. It integrates on-chip sample-and-hold, internal 1.0 V reference, and programmable digital test pattern generation. Designed for multichannel data acquisition in medical imaging and communications receivers, it delivers 75 dBFS SNR and 90 dBc SFDR at 9.7 MHz input.

For engineers reviewing the AD9249BBCZRL7-65 datasheet, AD9249BBCZRL7-65 pinout, AD9249BBCZRL7-65 application, or AD9249BBCZRL7-65 equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, confirmed alternative parts with functional differences, and supply support for high-channel-count, low-power ADC deployments.

Technical Context

The AD9249BBCZRL7-65 implements 16 independent pipeline ADC cores sharing a common clock domain, each with deterministic 16-clock-cycle latency and aperture jitter of 135 fs rms. Its serial LVDS outputs support ANSI-644 (350 mV VOD) or reduced-swing mode (201 mV VOD), with dual DCO±/FCO± pairs per bank for DDR data capture and frame alignment.

It features SPI-configurable clock/data alignment, individual channel power-down, and built-in deterministic/pseudorandom test patterns. The device uses internal bias current control via RBIAS1/RBIAS2 pins and supports external common-mode voltage setting via VCM1/VCM2 for differential analog inputs up to 650 MHz full-power bandwidth.

Key Specifications

Pinout & Package

The AD9249BBCZRL7-65 is housed in a RoHS-compliant 144-ball CSP-BGA package (10 mm × 10 mm), optimized for minimal board area and thermal performance (θJA = 30.2°C/W, still air).

Key Features

Applications

Equivalent & Alternatives

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

Compared with AD9671KCPZ and ADS52J90IRGCT, the AD9249BBCZRL7-65 uniquely balances 16-channel density, self-contained LVDS serialization, internal reference, and 65 MSPS throughput-making it optimal for compact, cost-sensitive, multichannel acquisition where analog front-end integration is handled externally.

Availability

AD9249BBCZRL7-65 is available at Aetrix Electronics and suitable for medical imaging systems, communications receivers, and multichannel data acquisition requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for AD9249BBCZRL7-65 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 AD9249 belongs to Analog Devices' high-speed data converter product line, engineered for applications demanding high channel density, low power, and simplified system integration in medical, communications, and industrial instrumentation.

FAQ

What is the maximum analog input frequency supported by the AD9249BBCZRL7-65?

The AD9249BBCZRL7-65 supports a full-power analog bandwidth of 650 MHz, meaning it can accurately digitize signals up to that frequency without significant amplitude roll-off. This specification is measured at −3 dB point under standard conditions (AVDD = 1.8 V, 2 V p-p input). Performance metrics such as SNR and SFDR remain valid across this range, with documented values down to 72.2 dBFS SNR at 139.5 MHz input.

Does the AD9249BBCZRL7-65 require an external voltage reference?

No, the AD9249BBCZRL7-65 includes an internal 1.0 V reference with ±10 mV accuracy over temperature, eliminating the need for external reference components in most applications. The VREF pin can be used as input or output; default operation uses the internal reference. External reference is optional and only required when tighter initial accuracy or drift performance is needed beyond the internal spec.

How many LVDS data lanes does the AD9249BBCZRL7-65 provide, and how are they organized?

The AD9249BBCZRL7-65 provides 32 LVDS data lanes-two per channel (D+x, D−x) across its 16 ADCs. These are grouped into two banks: Bank 1 (channels A–D) and Bank 2 (channels E–H), each with dedicated DCO±1/FCO±1 and DCO±2/FCO±2 clock pairs. This organization enables independent timing control and simplifies FPGA interface partitioning.

What is the power consumption of the AD9249BBCZRL7-65 in reduced-swing LVDS mode?

In reduced-swing LVDS mode (IEEE 1596.3 compliant), the AD9249BBCZRL7-65 consumes 869 mW total for all 16 channels at 25°C, corresponding to ~54 mW per channel. This represents a ~6% reduction versus the 924–995 mW range in full-swing ANSI-644 mode, achieved by lowering differential output voltage from 350 mV to 201 mV while maintaining timing integrity via programmable DCO/FCO delays.

Can the AD9249BBCZRL7-65 operate with a single-ended clock input?

No, the AD9249BBCZRL7-65 requires a differential clock input on CLK+/CLK− pins. It accepts LVPECL, LVDS, or CMOS logic levels but mandates differential signaling for optimal jitter performance and noise rejection. Single-ended clock sources must be converted using a dedicated fanout buffer or transformer to meet the 0.2–3.6 V p-p differential input voltage requirement and maintain aperture uncertainty below 135 fs rms.