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Analog Devices Inc. AD9649BCPZRL7-65
- Part No.:
- AD9649BCPZRL7-65
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9649BCPZRL7-65.pdf
- Description:
- IC ADC 14BIT PIPELINED 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,252
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Product details
Overview
AD9649BCPZRL7-65 from Analog Devices is a monolithic 14-bit, 65 MSPS analog-to-digital converter operating from a single 1.8 V analog supply, featuring 700 MHz analog input bandwidth, 74.3 dBFS SNR at 9.7 MHz input, and on-chip voltage reference and sample-and-hold circuitry. It serves as the front-end digitizer in high-performance communications receivers and portable medical ultrasound systems.
For engineers reviewing the AD9649BCPZRL7-65 datasheet, AD9649BCPZRL7-65 pinout, AD9649BCPZRL7-65 application, or AD9649BCPZRL7-65 equivalent, key selection criteria include its 65 MSPS sampling rate, differential clock support (LVDS/LVPECL/CMOS), programmable data output format (offset binary/gray/twos complement), and industrial temperature range (−40°C to +85°C) operation.
Technical Context
The AD9649BCPZRL7-65 employs a multistage differential pipeline architecture with output error correction logic to guarantee 14-bit accuracy and no missing codes across −40°C to +85°C. Its sample-and-hold maintains performance up to 200 MHz input frequency and supports 2 V p-p differential analog input with 0.9 V common-mode voltage.
It integrates a standard SPI interface for configuration of clock divider (1/2/4), DCO alignment, power-down modes, and built-in test pattern generation. Digital outputs operate at 1.8 V to 3.3 V CMOS levels, with data clock out (DCO) supporting precise timing synchronization to external logic.
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; enables Nyquist-limited baseband capture up to 32.5 MHz. |
| SNR @ 9.7 MHz | 74.3 dBFS - measured with −1 dBFS sine wave input; defines usable dynamic range in narrowband RF receiver applications. |
| SFDR @ 9.7 MHz | 93 dBc - spurious-free dynamic range determines ability to resolve small signals near large interferers. |
| Analog Input BW | 700 MHz - supports wideband IF sampling and direct RF digitization up to UHF frequencies. |
| Power @ 65 MSPS | 87 mW (AVDD + DRVDD) - low power enables battery-operated handheld instruments and thermal-constrained PCB layouts. |
| Differential Nonlinearity | ±0.35 LSB (typ) - ensures minimal code-dependent gain error and harmonic distortion in precision measurement. |
Pinout & Package
The AD9649BCPZRL7-65 is housed in a 32-lead, 5 mm × 5 mm RoHS-compliant LFCSP package with exposed paddle (EPAD) that must be soldered to the analog ground plane for functionality, thermal management, and noise control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential clock input | Accepts LVDS, LVPECL, or 1.8 V CMOS; internal common-mode bias at 0.9 V enables robust clock jitter rejection. |
| VIN+, VIN− | Differential analog input | 700 MHz bandwidth, 2 V p-p full-scale range, 6 pF input capacitance; requires matched 100 Ω termination. |
| D0–D13 | Parallel digital output bus | 14-bit MSB-aligned CMOS outputs; supports offset binary, gray, or twos complement format per SPI configuration. |
| DCO | Data clock output | Programmable phase-aligned clock synchronized to D0–D13 edges; eliminates setup/hold timing uncertainty at FPGA interface. |
| CSB, SCLK/DFS, SDIO/PDWN | SPI interface pins | 3-wire serial port with 30 kΩ internal pull-up (CSB) or pull-down (SCLK/DFS, SDIO/PDWN); enables register-level control without external logic. |
| VREF, SENSE, VCM, RBIAS | Reference and bias control | VREF = 1.0 V output (±12 mV tolerance); SENSE selects internal/external reference; VCM sets analog input common-mode; RBIAS sets core bias current via 10 kΩ resistor. |
Key Features
| Feature | Design Value |
|---|---|
| Single 1.8 V analog supply | Reduces system power rail count and simplifies LDO design; eliminates level-shifting between analog and digital domains. |
| Programmable clock divider (1/2/4) | Allows use of lower-frequency, lower-jitter master clocks while maintaining required sampling rate-critical for EMI-sensitive designs. |
| Built-in deterministic test patterns | Enables production testing without external signal sources; supports BIST verification of data path integrity and timing margins. |
| Data clock out (DCO) with alignment | Eliminates need for external delay elements or PLL-based clock recovery at receiving logic; ensures reliable latch timing at FPGA inputs. |
| Energy-saving power-down modes | 0.5 mW power-down state and 34 mW standby mode enable rapid wake-up (<350 µs) for duty-cycled systems like portable radar. |
Applications
| Communications Receiver | Ultrasound Beamformer |
|---|---|
Use Scenario: Digitizing IF signals in diversity radio systems for GSM, W-CDMA, and LTE base stations. IC Role / Device Role / Timing Role: Primary ADC in dual-channel IF sampling architecture; provides 65 MSPS parallel output synchronized to DCO for FPGA-based demodulation. Use Value: 93 dBc SFDR at 9.7 MHz enables detection of weak adjacent-channel signals in presence of strong blockers. |
Use Scenario: Sampling echo return signals from phased-array transducers in portable ultrasound machines. IC Role / Device Role / Timing Role: Channel ADC in multi-channel receive beamformer; operates at 65 MSPS with low 74.3 dBFS SNR to preserve tissue contrast resolution. Use Value: 14-bit resolution and ±0.35 LSB DNL ensure accurate time-of-flight calculation for sub-millimeter spatial localization. |
| Radar/LIDAR Front-End | Handheld Scope Meter |
Use Scenario: Capturing short-pulse returns in FMCW radar modules for automotive ADAS and drone navigation. IC Role / Device Role / Timing Role: High-speed digitizer interfacing directly to mixer output; uses differential clock inputs to suppress EMI in noisy vehicle environments. Use Value: 700 MHz analog input bandwidth supports direct sampling of GHz-range IF signals without image-reject filtering. |
Use Scenario: Core ADC in battery-powered oscilloscope with 50 MHz effective analog bandwidth and 1 Mpts memory depth. IC Role / Device Role / Timing Role: Real-time waveform acquisition engine; leverages programmable DCO alignment to meet tight setup/hold requirements of low-power microcontroller interface. Use Value: 87 mW total power consumption extends battery life beyond 4 hours during continuous 65 MSPS streaming. |
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 |
|---|---|---|---|
| AD9629BCPZRL7-65 | 12-bit resolution, identical 32-lead LFCSP package and pinout; 65 MSPS max, 700 MHz input BW, 72.5 dBFS SNR @ 9.7 MHz. | Lower resolution limits dynamic range in high-fidelity medical imaging but sufficient for cost-sensitive industrial monitoring. | Select when 12-bit ENOB meets system SNR budget and board space/power constraints match AD9649BCPZRL7-65 layout. |
| AD9609BCPZRL7-65 | 10-bit resolution, same footprint and pin compatibility; 65 MSPS, 700 MHz BW, 65.2 dBFS SNR @ 9.7 MHz, 42 mW power. | Targeted at ultra-low-power, high-volume applications where 10-bit linearity suffices (e.g., basic spectrum analyzers). | Choose for lowest power and cost where 10-bit quantization noise does not degrade system-level measurement accuracy. |
Compared with AD9649BCPZRL7-65, AD9629BCPZRL7-65 trades 2 bits of resolution for ~15 dB lower SNR but retains identical timing, packaging, and interface-enabling drop-in replacement where ENOB ≥ 12 bits is acceptable. AD9609BCPZRL7-65 further reduces resolution and power, making it suitable only for less demanding signal fidelity requirements.
Availability
AD9649BCPZRL7-65 is available at Aetrix Electronics and suitable for communications infrastructure, portable medical imaging, and radar/LIDAR front-end designs requiring stable component supply, long-term obsolescence planning, and RoHS-compliant manufacturing.
Supply support for AD9649BCPZRL7-65 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 design centers and manufacturing facilities worldwide.
The AD9649 belongs to Analog Devices' high-speed ADC product line, engineered for precision digitization in demanding RF, communications, and instrumentation applications where resolution, bandwidth, and low power must coexist.
FAQ
What is the maximum analog input frequency supported by the AD9649BCPZRL7-65?
The AD9649BCPZRL7-65 supports analog input frequencies up to 200 MHz while maintaining specified AC performance (e.g., 71.5 dBFS SNR). Its 700 MHz small-signal analog input bandwidth enables faithful capture of wideband IF signals and direct RF sampling in UHF bands, provided proper PCB layout and termination are implemented.
Does the AD9649BCPZRL7-65 require an external voltage reference?
No-the AD9649BCPZRL7-65 includes an on-chip 1.0 V voltage reference with ±12 mV tolerance over temperature. External reference is optional via the VREF and SENSE pins; using the internal reference simplifies BOM and reduces board area, while external reference improves absolute accuracy in metrology-grade systems.
How is clock jitter managed in the AD9649BCPZRL7-65?
The AD9649BCPZRL7-65 achieves 0.1 ps rms aperture jitter through its differential clock input architecture and internal common-mode biasing (0.9 V). When driven with low-phase-noise LVDS or LVPECL clocks, this jitter enables >12-bit ENOB at 200 MHz input-critical for high-SFDR applications such as cellular base station receivers.
Can the AD9649BCPZRL7-65 interface directly with a 3.3 V FPGA I/O bank?
Yes-the AD9649BCPZRL7-65 supports 1.8 V to 3.3 V digital output driver supply (DRVDD). With DRVDD = 3.3 V, its D0–D13 outputs and DCO meet 3.3 V CMOS voltage levels (VOH ≥ 3.25 V, VOL ≤ 0.2 V), enabling direct connection to 3.3 V FPGA I/O without level shifters.
What is the latency of the AD9649BCPZRL7-65 pipeline?
The AD9649BCPZRL7-65 has a fixed pipeline latency of 8 clock cycles from analog input sampling to valid digital output. This deterministic latency simplifies timing closure in synchronous systems and enables precise phase alignment across multiple ADC channels in beamforming or MIMO architectures.
AD9649BCPZRL7-65 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- 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:
- -
AD9649BCPZRL7-65 FAQ
1.How can I place an order for AD9649BCPZRL7-65 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9649BCPZRL7-65 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 AD9649BCPZRL7-65 reliable?
The price and inventory of AD9649BCPZRL7-65 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9649BCPZRL7-65 is usually 5 days.
3.What payment methods are accepted for AD9649BCPZRL7-65?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9649BCPZRL7-65 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9649BCPZRL7-65?
AD9649BCPZRL7-65 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9649BCPZRL7-65 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 AD9649BCPZRL7-65?
For technical support, including AD9649BCPZRL7-65 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9649BCPZRL7-65 requirements.
6.How does Aetrix verify that AD9649BCPZRL7-65 is sourced from the original manufacturer or authorized distributors?
All AD9649BCPZRL7-65 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 AD9649BCPZRL7-65 meets industry standards.
7.What is the process for return or replacement of AD9649BCPZRL7-65?
All AD9649BCPZRL7-65 units undergo pre-shipment inspection (PSI). If there is an issue with AD9649BCPZRL7-65, 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 AD9649BCPZRL7-65 part is unused and in its original packaging.
Return procedure for AD9649BCPZRL7-65:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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