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Analog Devices Inc. AD9249BBCZ-65
- Part No.:
- AD9249BBCZ-65
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 144-LFBGA, CSPBGA
- Datasheet:
-
AD9249BBCZ-65.pdf
- Description:
- IC ADC 14BIT PIPELINED 144CSPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,780
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Product details
Overview
AD9249BBCZ-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, featuring 75 dBFS SNR and −90 dB crosstalk at 10 MHz for multichannel medical imaging and communications receiver systems.
For engineers reviewing the AD9249BBCZ-65 datasheet, AD9249BBCZ-65 pinout, AD9249BBCZ-65 application, or AD9249BBCZ-65 equivalent, key selection criteria include channel count, LVDS serial output compliance (ANSI-644), 650 MHz analog bandwidth, programmable clock/data alignment, and industrial temperature range (−40°C to +85°C) support.
Technical Context
The AD9249BBCZ-65 integrates 16 independent ADC cores with on-chip sample-and-hold, each delivering 14-bit resolution at up to 65 MSPS. It uses a scalable power architecture-58 mW per channel at full rate, dropping to 35 mW per channel at 20 MSPS-and supports dual LVDS data lanes (D±x1/D±x2) with dedicated frame and data clocks (FCO±1/2, DCO±1/2).
Its digital interface includes SPI-configurable features: programmable bit orientation, built-in deterministic/pseudorandom test patterns, and flexible power-down modes (2 mW total when all channels disabled). The device requires no external reference or driver components and auto-multiplies the input clock for LVDS serialization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 discrete amplitude levels for high-fidelity signal digitization in ultrasound and radar front ends. |
| Sample Rate | 65 MSPS - supports Nyquist-limited bandwidth up to 32.5 MHz per channel with pipeline latency of 16 clock cycles. |
| SNR / SFDR | 75 dBFS / 90 dBc (typical, fIN = 19.7 MHz) - enables detection of low-amplitude signals amid noise and spurious content in spectral analysis. |
| Analog Bandwidth | 650 MHz - preserves signal integrity for wideband RF sampling applications without external anti-alias filtering. |
| Input Range | 2 V p-p differential - simplifies interfacing with transformer-coupled or balun-based RF front ends. |
| Supply Voltage | 1.8 V AVDD/DRVDD - reduces system power and thermal load while maintaining compatibility with modern low-voltage FPGA I/O banks. |
| Crosstalk | −90 dB (worst adjacent channel, 10 MHz) - ensures channel isolation critical for phased-array ultrasound beamforming. |
Pinout & Package
The AD9249BBCZ-65 is housed in a RoHS-compliant 144-ball CSP-BGA package (10 mm × 10 mm), optimized for high-density PCB layouts in portable medical and instrumentation systems.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential clock input | Accepts LVPECL/LVDS/CMOS clocks up to 520 MHz; determines conversion timing and internal data rate multiplier. |
| VIN+A1–H2, VIN−A1–H2 | 16 differential analog inputs | Each pair supports 2 V p-p differential input with 0.9 V common-mode; routed to dedicated ADC cores for parallel sampling. |
| D+A1/D−A1 through D+H2/D−H2 | LVDS serial data outputs | Two banks (A–D and E–H) with DDR LVDS outputs; each bank carries 8 channels' 14-bit data at 455 MHz DCO frequency. |
| DCO+1/DCO−1, DCO+2/DCO−2 | Data clock outputs | DDR-capable clocks synchronized to respective data banks; used by FPGA/ASIC to capture D±x1/x2 with precise timing margin. |
| FCO+1/FCO−1, FCO+2/FCO−2 | Frame clock outputs | Indicate start of new byte/frame for each data bank; essential for aligning multi-byte words across high-speed serial links. |
| CSB1, CSB2 | Bank-select chip enable | Independent SPI control for Bank 1 (channels A–D) and Bank 2 (channels E–H); enables partial configuration without affecting other channels. |
| PDWN | Global power-down | Reduces total dissipation to 2 mW when asserted; individual channel power-down also supported via SPI register. |
Key Features
| Feature | Design Value |
|---|---|
| 16-channel integration | Replaces 16 discrete ADCs in space-constrained systems-reducing BOM count, layout area, and inter-channel skew. |
| Programmable clock/data alignment | Compensates for PCB trace length mismatches between clock and data paths, enabling robust timing closure at 455 MHz DDR rates. |
| Built-in test pattern generation | Eliminates need for external pattern generators during production test-supports deterministic, pseudorandom, and custom SPI-loaded patterns. |
| Scalable per-channel power | Enables dynamic power scaling: 58 mW/channel at 65 MSPS or 35 mW/channel at 20 MSPS-critical for battery-powered portable diagnostics. |
| Industrial temperature range | Guaranteed operation from −40°C to +85°C-suitable for deployment in field-deployable ultrasound carts and base station receivers. |
Applications
| Ultrasound Beamforming | Phased Array Radar Receiver |
|---|---|
Use Scenario: Digitizing echo signals from 16 transducer elements in real time for digital beam steering and focusing. IC Role / Device Role / Timing Role: Simultaneous 14-bit sampling of 16 analog channels at 65 MSPS with sub-ns aperture jitter (135 fs rms) to preserve phase coherence. Use Value: −90 dB adjacent-channel crosstalk prevents signal leakage between elements, ensuring accurate time-of-flight calculations for spatial resolution. | Use Scenario: Capturing IF signals from 16 antenna channels in L-band radar systems requiring wide instantaneous bandwidth. IC Role / Device Role / Timing Role: High-fidelity digitization with 650 MHz analog input bandwidth and 75 dBFS SNR at 19.7 MHz input frequency. Use Value: Dual LVDS banks (D±x1/x2) with independent frame clocks allow synchronized capture across all 16 channels without FPGA resource bottlenecks. |
| Communications Baseband Processing | Multichannel Data Acquisition System |
Use Scenario: Sampling multiple LTE/5G baseband signals in massive MIMO radio units with tight channel isolation requirements. IC Role / Device Role / Timing Role: 14-bit resolution and 90 dBc SFDR support high-order QAM demodulation; SPI-controlled power-down minimizes idle power. Use Value: Programmable digital test patterns verify ADC functionality in-system without external equipment-accelerating field calibration. | Use Scenario: High-precision monitoring of 16 sensor outputs (e.g., strain gauges, thermocouples) in industrial control cabinets. IC Role / Device Role / Timing Role: Single 1.8 V supply simplifies power delivery; internal 1.0 V reference eliminates external voltage reference component. Use Value: ±0.9 LSB INL and ±0.6 LSB DNL ensure measurement linearity across full scale-critical for metrology-grade accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multichannel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9248BCPZ-65 | 8-channel, 14-bit, 65 MSPS; same LVDS interface and 1.8 V supply but half the channel count. | Suitable for lower-channel-count systems where board space or cost constraints preclude 16-channel integration. | Select AD9248BCPZ-65 when only eight simultaneous inputs are required and inter-channel crosstalk tolerance is identical. |
| ADS52J90IRGCT | Texas Instruments 16-channel, 14-bit, 80 MSPS ADC with JESD204B interface instead of LVDS; 1.8 V/3.3 V dual supply. | Targets high-speed serial backplanes using JESD204B lane aggregation; requires FPGA with JESD204B PHY support. | Choose ADS52J90IRGCT when migrating to JESD204B infrastructure and higher sample rates are needed, accepting added complexity. |
Compared with AD9248BCPZ-65, the AD9249BBCZ-65 doubles channel density in the same footprint; versus ADS52J90IRGCT, it offers simpler LVDS interfacing and lower power at 65 MSPS but lacks JESD204B lane consolidation for ultra-high-throughput systems.
Availability
AD9249BBCZ-65 is available at Aetrix Electronics and suitable for medical imaging systems, communications receivers, and multichannel data acquisition requiring stable component supply and long-term industrial temperature support.
Supply support for AD9249BBCZ-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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial, automotive, and communications markets.
The AD9249 product line targets compact, low-power multichannel digitization for portable and distributed sensing systems-emphasizing integration, channel isolation, and ease of interface without external support components.
FAQ
What is the maximum analog input frequency supported by the AD9249BBCZ-65?
The AD9249BBCZ-65 has a full-power analog bandwidth of 650 MHz, meaning it maintains specified performance (e.g., SNR, SFDR) for input signals up to that frequency. This allows direct RF sampling in L- and S-band applications without downconversion, provided the input signal remains within the 2 V p-p differential range and common-mode voltage limits (0.5 V to 1.3 V).
Does the AD9249BBCZ-65 require an external voltage reference?
No, the AD9249BBCZ-65 includes an internal 1.0 V reference with ±10 mV accuracy over temperature. It can operate in buffered mode with VREF pin configured as output, eliminating the need for external reference components in most applications-reducing BOM count and layout complexity.
How many LVDS data lanes does the AD9249BBCZ-65 use, and how are they organized?
The AD9249BBCZ-65 uses two independent LVDS banks: Bank 1 (channels A–D) outputs via D±A1/A2 through D±D1/D2, and Bank 2 (channels E–H) outputs via D±E1/E2 through D±H1/H2. Each bank provides DDR LVDS data with dedicated DCO±1/2 and FCO±1/2 clocks, enabling synchronous capture of all 16 channels.
What is the power consumption of the AD9249BBCZ-65 at its rated 65 MSPS sample rate?
At 65 MSPS, the AD9249BBCZ-65 consumes 924–995 mW total (58 mW per channel) in ANSI-644 LVDS mode. In reduced-signal LVDS mode, total power drops to 869 mW. When all 16 channels are powered down, dissipation falls to just 2 mW-enabling aggressive power gating in burst-mode acquisition systems.
Can the AD9249BBCZ-65 be configured for different output data formats?
Yes, the AD9249BBCZ-65 supports multiple output configurations via SPI: 14-bit or 12-bit wordwise DDR, selectable twos-complement or offset binary coding, and programmable bit orientation (MSB-first or LSB-first). These settings allow optimization for FPGA logic resources and downstream processing requirements without hardware changes.
AD9249BBCZ-65 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 144-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 65M
- Number of Inputs:
- 16
- Input Type:
- Differential
- Data Interface:
- LVDS - Serial
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 1.9V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 144-CSPBGA (10x10)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9249BBCZ-65 FAQ
1.How can I place an order for AD9249BBCZ-65 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9249BBCZ-65 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD9249BBCZ-65 reliable?
The price and inventory of AD9249BBCZ-65 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9249BBCZ-65 is usually 5 days.
3.What payment methods are accepted for AD9249BBCZ-65?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9249BBCZ-65 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9249BBCZ-65?
AD9249BBCZ-65 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9249BBCZ-65 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD9249BBCZ-65?
For technical support, including AD9249BBCZ-65 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9249BBCZ-65 requirements.
6.How does Aetrix verify that AD9249BBCZ-65 is sourced from the original manufacturer or authorized distributors?
All AD9249BBCZ-65 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD9249BBCZ-65 meets industry standards.
7.What is the process for return or replacement of AD9249BBCZ-65?
All AD9249BBCZ-65 units undergo pre-shipment inspection (PSI). If there is an issue with AD9249BBCZ-65, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD9249BBCZ-65 part is unused and in its original packaging.
Return procedure for AD9249BBCZ-65:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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