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Analog Devices Inc. AD9649BCPZ-65
- Part No.:
- AD9649BCPZ-65
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9649BCPZ-65.pdf
- Description:
- IC ADC 14BIT PIPELINED 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,897
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Product details
Overview
AD9649BCPZ-65 from Analog Devices is a 14-bit, 65 MSPS monolithic analog-to-digital converter operating from a single 1.8 V analog supply, featuring a 700 MHz differential input bandwidth, on-chip voltage reference and sample-and-hold circuit, and 2 Vp-p differential analog input range. It delivers 74.3 dBFS SNR at 9.7 MHz and 71.5 dBFS at 200 MHz input, supporting communications infrastructure and portable medical imaging systems.
For engineers reviewing the AD9649BCPZ-65 datasheet, AD9649BCPZ-65 pinout, AD9649BCPZ-65 application, or AD9649BCPZ-65 equivalent, key selection criteria include its 65 MSPS sampling rate, 1.8 V AVDD/1.8–3.3 V DRVDD dual-supply flexibility, SPI-configurable clock/data alignment, deterministic BIST pattern generation, and industrial temperature range (−40°C to +85°C) operation in a 32-lead LFCSP package.
Technical Context
The AD9649BCPZ-65 employs a multistage differential pipeline architecture with output error correction logic to guarantee 14-bit accuracy and no missing codes across temperature. Its sample-and-hold maintains performance up to 200 MHz input frequency, and the differential clock input supports CMOS/LVDS/LVPECL with programmable 1/2/4 division.
Digital outputs are configurable in offset binary, gray code, or twos complement format, synchronized by a programmable data clock out (DCO). The SPI interface enables full configuration of data formatting, power modes, DCO timing, voltage reference selection, and built-in test patterns-including pseudorandom and user-defined sequences.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - guarantees monotonicity and no missing codes over full industrial temperature range |
| Sampling Rate | 65 MSPS - fixed maximum conversion rate for this variant, enabling real-time digitization of IF signals up to ~32.5 MHz Nyquist bandwidth |
| SNR @ 9.7 MHz | 74.3 dBFS - defines dynamic range for narrowband communication receivers (e.g., LTE/W-CDMA baseband) |
| SFDR @ 9.7 MHz | 93 dBc - indicates spurious-free performance critical for multi-carrier systems with adjacent channel interference |
| Analog Input BW | 700 MHz - supports direct RF sampling of UHF bands and high-frequency IF stages without external amplification |
| Power @ 65 MSPS | 82.3 mW (sine input, DRVDD = 1.8 V) - enables battery-powered handheld scopes and portable ultrasound front-ends |
| Differential Nonlinearity | ±0.65 LSB (max) - ensures accurate amplitude fidelity in radar pulse detection and Doppler processing |
Pinout & Package
The AD9649BCPZ-65 is housed in a 32-lead, 5 mm × 5 mm RoHS-compliant LFCSP with exposed paddle (EPAD) that must be soldered to the PCB's analog ground plane for thermal management, noise reduction, and mechanical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential clock input | Accepts CMOS/LVDS/LVPECL; internal common-mode bias at 0.9 V enables robust clocking with low jitter (0.1 ps rms aperture uncertainty) |
| VIN+, VIN− | Differential analog input | 700 MHz bandwidth, 2 Vp-p full-scale range, 6 pF input capacitance - optimized for transformer-coupled or balun-driven RF/IF signals |
| D0 (LSB) to D13 (MSB) | Parallel digital output bus | 14-bit CMOS outputs supporting 1.8 V or 3.3 V logic levels; programmable data format and DCO alignment reduce timing margin risk |
| DCO | Data clock output | Programmable phase-aligned clock for synchronous latching in FPGA/ASIC receivers; 3 ns propagation delay ensures predictable setup/hold timing |
| AVDD (Pins 3,24,29,32) | Analog core supply | 1.8 V ±0.1 V domain powering ADC core and reference - requires dedicated low-noise regulation and local decoupling |
| DRVDD (Pin 13) | Digital output driver supply | 1.8–3.3 V selectable domain - allows direct interfacing to diverse logic families without level shifters |
| EPAD | Thermal & ground connection | Only ground path for chip; mandatory soldering to analog ground plane prevents thermal runaway and EMI coupling |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage reference | 1.0 V ±12 mV output with 2 mV load regulation error - eliminates external reference IC and reduces BOM count in space-constrained designs |
| Programmable clock divider | Integer 1/2/4 ratio selection via SPI or hardware pins - simplifies system clock tree design when master clock exceeds required sampling rate |
| Built-in self-test (BIST) | Deterministic, pseudorandom, and user-defined test patterns - enables production test and field diagnostics without external signal generators |
| Energy-saving power modes | 34 mW standby and 0.5 mW power-down - extends battery life in handheld instruments during idle periods |
| SPI-configurable data alignment | Adjustable DCO-to-data skew and clock/data phase - compensates for PCB trace length mismatches and improves timing margin in high-speed interfaces |
Applications
| Communications Infrastructure | Portable Medical Imaging |
|---|---|
Use Scenario: Digitizing intermediate frequency (IF) signals in diversity radio receivers for LTE and W-CDMA base stations. IC Role / Device Role / Timing Role: High-fidelity ADC capturing 20–65 MSPS IF samples with <71.5 dBFS SNR at 200 MHz input for digital downconversion. Use Value: Enables simultaneous multi-band reception with SFDR >93 dBc, reducing need for external filtering and improving spectral efficiency. | Use Scenario: Front-end digitization in handheld ultrasound machines requiring compact, low-power signal acquisition. IC Role / Device Role / Timing Role: 14-bit sampling of echo return signals at 65 MSPS with 74.3 dBFS SNR at 9.7 MHz for high-resolution B-mode imaging. Use Value: Delivers diagnostic-grade image clarity while consuming only 82.3 mW, extending battery runtime beyond 4 hours per charge. |
| Radar/LIDAR Systems | Smart Antenna Systems |
Use Scenario: Pulse capture in short-range FMCW radar modules for automotive ADAS and industrial proximity sensing. IC Role / Device Role / Timing Role: Time-of-flight digitization with 0.1 ps rms aperture jitter and 8-cycle pipeline latency for precise range bin resolution. Use Value: Supports sub-centimeter distance accuracy at 65 MSPS, eliminating need for oversampling or external jitter cleaners. | Use Scenario: Beamforming receiver channel in MIMO base station antennas with independent ADC per RF path. IC Role / Device Role / Timing Role: Synchronized 14-bit sampling across multiple AD9649BCPZ-65 units using shared differential clock and SPI-controlled alignment. Use Value: Enables coherent multi-channel processing with matched gain/phase response, improving spatial resolution by >3 dB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog-to-digital conversion applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9629BCPZ-65 | 12-bit resolution, identical 32-lead LFCSP package and pinout, same 65 MSPS rate and 1.8 V supply | Lower dynamic range (70.5 dBFS SNR) limits use in wideband communications; suitable for cost-sensitive industrial sensors | Select when 12-bit ENOB suffices and PCB layout reuse is prioritized over SNR headroom |
| AD9609BCPZ-65 | 10-bit resolution, same footprint and pin compatibility, 65 MSPS, lower power (32 mW) | Reduced SFDR (75 dBc) and higher DNL (±1.2 LSB) restrict use to non-critical monitoring applications | Choose for ultra-low-power battery-operated devices where 10-bit fidelity meets system requirements |
Compared with AD9649BCPZ-65, AD9629BCPZ-65 trades 2 bits of resolution for pin compatibility and lower cost, while AD9609BCPZ-65 further reduces resolution and power for simpler embedded monitoring-making AD9649BCPZ-65 the optimal choice when 14-bit fidelity, 74.3 dBFS SNR, and 93 dBc SFDR are mandatory for signal integrity.
Availability
AD9649BCPZ-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 support, and guaranteed RoHS-compliant manufacturing.
Supply support for AD9649BCPZ-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 semiconductors, headquartered in Norwood, MA, with R&D and manufacturing facilities worldwide.
The AD9649 product line delivers high-speed, low-power ADCs optimized for communications, medical imaging, and instrumentation-designed to replace discrete signal chain components with integrated, calibrated solutions that reduce design cycle time and board area.
FAQ
What is the maximum analog input frequency supported by the AD9649BCPZ-65?
The AD9649BCPZ-65 supports analog input frequencies up to 200 MHz while maintaining specified AC performance (71.5 dBFS SNR, 80 dBc SFDR). Its 700 MHz small-signal analog input bandwidth enables clean digitization of high-frequency IF signals without significant roll-off, making it suitable for direct sampling of UHF bands in communications and radar applications. This bandwidth is verified under standard test conditions with 2 Vp-p differential input and 1.0 V internal reference.
Does the AD9649BCPZ-65 require an external voltage reference?
No, the AD9649BCPZ-65 includes a precision on-chip 1.0 V voltage reference with ±12 mV tolerance and 2 mV load regulation error, eliminating the need for an external reference in most applications. The VREF pin can operate in output mode (default) or accept an external 1.0 V source; SENSE pin configures reference mode. This integration reduces BOM count, PCB area, and calibration complexity while maintaining 74.3 dBFS SNR performance at 9.7 MHz input.
How does the SPI interface configure the AD9649BCPZ-65 data output format?
The AD9649BCPZ-65 SPI interface allows runtime selection of offset binary, gray code, or twos complement data formats via register 0x0A (Output Format Control). Configuration is performed using standard 4-wire SPI (CSB, SCLK, SDIO) with 2 ns setup/hold timing. This flexibility enables seamless integration with diverse FPGA logic families and simplifies firmware handling of signed/unsigned arithmetic without external translation logic.
What power supply configurations are supported by the AD9649BCPZ-65?
The AD9649BCPZ-65 uses two independent supplies: AVDD = 1.8 V ±0.1 V powers the analog core and reference, while DRVDD = 1.8 V to 3.3 V powers the digital output drivers. This dual-supply architecture allows direct interfacing with 1.8 V, 2.5 V, or 3.3 V logic families without level shifters. Total power consumption is 82.3 mW at 65 MSPS with sine-wave input and DRVDD = 1.8 V, scaling linearly with sample rate.
Is the AD9649BCPZ-65 pin-compatible with other members of the AD96xx family?
Yes, the AD9649BCPZ-65 is pin-compatible with the AD9629 (12-bit) and AD9609 (10-bit) in the same 32-lead LFCSP package, sharing identical pin functions, power domains, and layout footprints. This enables straightforward migration paths between resolutions while preserving PCB design, thermal management, and signal integrity-critical for platform-based product development where performance tiers are differentiated by ADC resolution alone.
AD9649BCPZ-65 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 65M
- Number of Inputs:
- 1
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 1.9V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 32-LFCSP-VQ (5x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9649BCPZ-65 FAQ
1.How can I place an order for AD9649BCPZ-65 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9649BCPZ-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 AD9649BCPZ-65 reliable?
The price and inventory of AD9649BCPZ-65 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9649BCPZ-65 is usually 5 days.
3.What payment methods are accepted for AD9649BCPZ-65?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9649BCPZ-65 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9649BCPZ-65?
AD9649BCPZ-65 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9649BCPZ-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 AD9649BCPZ-65?
For technical support, including AD9649BCPZ-65 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9649BCPZ-65 requirements.
6.How does Aetrix verify that AD9649BCPZ-65 is sourced from the original manufacturer or authorized distributors?
All AD9649BCPZ-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 AD9649BCPZ-65 meets industry standards.
7.What is the process for return or replacement of AD9649BCPZ-65?
All AD9649BCPZ-65 units undergo pre-shipment inspection (PSI). If there is an issue with AD9649BCPZ-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 AD9649BCPZ-65 part is unused and in its original packaging.
Return procedure for AD9649BCPZ-65:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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