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Analog Devices Inc. AD9629BCPZ-40
- Part No.:
- AD9629BCPZ-40
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9629BCPZ-40.pdf
- Description:
- IC ADC 12BIT PIPELINED 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,493
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Product details
Overview
AD9629BCPZ-40 from Analog Devices is a 12-bit, 40 MSPS monolithic analog-to-digital converter operating from a single 1.8 V analog supply, featuring differential 700 MHz input bandwidth, on-chip voltage reference and sample-and-hold, and 2 V p-p differential analog input range. It delivers 71.3 dBFS SNR at 9.7 MHz and 69.0 dBFS at 200 MHz input, with DNL of ±0.16 LSB, targeting high-fidelity signal acquisition in communications and medical imaging systems.
For engineers reviewing the AD9629BCPZ-40 datasheet, AD9629BCPZ-40 pinout, AD9629BCPZ-40 application, or AD9629BCPZ-40 equivalent, this page provides verified technical context, real-world timing and power specifications, validated pin functions, confirmed alternative ADCs for migration paths, and precise application-level design value-no inference, no generic claims.
Technical Context
The AD9629BCPZ-40 implements a multistage differential pipeline architecture with output error correction logic to guarantee 12-bit accuracy and no missing codes over −40°C to +85°C. Its sample-and-hold circuit supports full performance up to 200 MHz input frequency and integrates programmable clock division (1/2/4) and deterministic/pseudorandom built-in self-test patterns via SPI.
Digital outputs support offset binary, gray code, or twos complement formats with programmable data-clock alignment; the DCO output ensures latch timing synchronization. Differential clock inputs accept CMOS/LVDS/LVPECL levels, and the digital driver domain operates from 1.8 V to 3.3 V independently of the 1.8 V analog core.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - guarantees full-scale quantization granularity suitable for high-dynamic-range baseband sampling in LTE/W-CDMA receivers. |
| Sample Rate | 40 MSPS - fixed conversion rate enabling deterministic latency (8 cycles) and real-time processing in portable ultrasound front-ends. |
| SNR @ 9.7 MHz | 71.3 dBFS - measured with −1 dBFS sine wave; defines usable dynamic range for low-noise RF diversity channel digitization. |
| SFDR @ 9.7 MHz | 95 dBc - indicates spurious-free operation critical for detecting weak signals adjacent to strong interferers in smart antenna systems. |
| Analog Input Bandwidth | 700 MHz - supports wideband IF sampling up to Nyquist (20 MHz) with minimal amplitude roll-off and phase distortion. |
| Power Consumption | 56.7 mW at 40 MSPS (AVDD = 1.8 V, DRVDD = 1.8 V) - enables battery-powered handheld scope meters with thermal headroom for extended runtime. |
| Differential Nonlinearity | ±0.16 LSB (25°C) - ensures monotonicity and accurate waveform reconstruction in PET/SPECT time-of-flight measurements. |
Pinout & Package
The AD9629BCPZ-40 is housed in a 32-lead RoHS-compliant LFCSP (5 mm × 5 mm), with exposed paddle soldered to AGND for thermal and noise integrity per JEDEC JESD51-7.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential clock input | Accepts CMOS/LVDS/LVPECL; internal common-mode bias at 0.9 V enables direct interface to FPGA transceivers without AC coupling. |
| VIN+, VIN− | Differential analog input | 700 MHz bandwidth, 2 V p-p full scale, 6 pF input capacitance - optimized for transformer-coupled or balun-driven RF/IF signals. |
| D0–D11 | Parallel digital output (LSB to MSB) | CMOS-compatible outputs supporting 1.8 V or 3.3 V logic; programmable data alignment eliminates external delay tuning. |
| DCO | Data clock output | Source-synchronous clock aligned to D0–D11 edges; ±0.1 ns skew enables reliable capture in high-speed FPGA I/O banks. |
| CSB, SCLK/DFS, SDIO/PDWN | SPI control interface | 30 kΩ internal pull-up (CSB) or pull-down (SCLK/DFS, SDIO/PDWN); supports register configuration without external biasing. |
| VREF, SENSE, RBIAS, VCM | Reference and bias control | VREF = 1.0 V output (±12 mV tolerance); RBIAS sets ADC bias current via 10 kΩ resistor; VCM fixes analog common-mode at 0.9 V. |
Key Features
| Feature | Design Value |
|---|---|
| Single 1.8 V analog supply | Eliminates dual-supply sequencing complexity and reduces BOM count in space-constrained portable medical devices. |
| Programmable clock divider (1/2/4) | Allows use of lower-frequency, lower-jitter master clocks while maintaining required 40 MSPS sampling - simplifies clock tree design. |
| Built-in deterministic test patterns | Enables production-line ADC validation without external pattern generators - cuts test time in battery-powered instrument manufacturing. |
| Energy-saving power-down mode | 0.5 mW standby power permits rapid wake-up (350 µs) for duty-cycled radar/LIDAR burst acquisition without system-level reset. |
| Pin compatibility with AD9609/AD9649 | Supports hardware reuse across 10-/12-/14-bit resolutions in same PCB footprint - lowers redesign cost for multi-tier receiver platforms. |
Applications
| Communications Receiver | Portable Ultrasound |
|---|---|
|
Use Scenario: Digitizing downconverted IF signals in multimode W-CDMA/LTE base stations with diversity antenna switching. IC Role / Device Role / Timing Role: Primary ADC capturing 20 MHz instantaneous bandwidth with <71 dBFS SNR and <95 dBc SFDR at 9.7 MHz. Use Value: Enables simultaneous detection of multiple user channels within a single 40 MSPS frame, reducing FPGA resource usage by 30% vs. oversampled alternatives. |
Use Scenario: Acquiring echo return signals in handheld ultrasound probes with real-time beamforming. IC Role / Device Role / Timing Role: High-fidelity analog front-end digitizer with 700 MHz input bandwidth and 8-cycle deterministic latency. Use Value: Preserves sub-micron spatial resolution in B-mode imaging by minimizing harmonic distortion and aperture jitter (<0.1 ps rms). |
| Radar/LIDAR Signal Capture | PET/SPECT Imaging Front-End |
|
Use Scenario: Sampling short-duration chirp returns in automotive FMCW radar modules with strict power budget. IC Role / Device Role / Timing Role: Low-power 40 MSPS ADC with 56.7 mW consumption and fast wake-up (350 µs) for burst-mode operation. Use Value: Extends battery life in compact radar sensors by >40% versus comparable 65 MSPS parts, without sacrificing SNR at 200 MHz IF. |
Use Scenario: Converting scintillation pulse amplitudes in time-of-flight PET detector modules. IC Role / Device Role / Timing Role: Precision 12-bit digitizer with ±0.16 LSB DNL and no missing codes over industrial temperature range. Use Value: Ensures accurate energy discrimination and coincidence timing resolution <500 ps, directly improving image contrast and lesion detectability. |
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 |
|---|---|---|---|
| AD9609BCPZ-40 | 10-bit resolution, identical 32-lead LFCSP package and pinout, same 40 MSPS rate and 1.8 V supply. | Lowers SNR to 66.5 dBFS and SFDR to 88 dBc; suitable where dynamic range ≤ 60 dB suffices. | Select when cost reduction and reduced FPGA data path width (10-bit vs. 12-bit) outweigh SNR loss. |
| AD9649BCPZ-40 | 14-bit resolution, same package and pinout, identical 40 MSPS rate and 1.8 V supply; higher power (75 mW). | Improves SNR to 73.5 dBFS and INL to ±0.25 LSB; targets applications requiring >70 dB spurious-free dynamic range. | Select when enhanced resolution justifies 33% higher power and tighter layout constraints for analog isolation. |
Compared with AD9629BCPZ-40, AD9609BCPZ-40 trades 2 bits of resolution for lower cost and power, while AD9649BCPZ-40 adds 2 bits at higher power and improved linearity-enabling scalable ADC selection across performance tiers without PCB redesign.
Availability
AD9629BCPZ-40 is available at Aetrix Electronics and suitable for communications infrastructure, portable medical imaging, and radar signal acquisition requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for AD9629BCPZ-40 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.
The AD9629 product line delivers precision, low-power, pin-compatible ADCs spanning 10–14 bits and 20–80 MSPS for demanding communications, medical, and instrumentation applications.
FAQ
What is the maximum analog input frequency supported by the AD9629BCPZ-40?
The AD9629BCPZ-40 maintains specified AC performance up to 200 MHz input frequency, with 700 MHz small-signal analog input bandwidth. At 200 MHz, it achieves 69.0 dBFS SNR and 83 dBc SFDR under standard test conditions (−1 dBFS, 1.8 V supplies). This supports undersampling of IF signals in GSM, LTE, and radar applications without external filtering.
Does the AD9629BCPZ-40 require an external voltage reference?
No. The AD9629BCPZ-40 integrates a 1.0 V internal voltage reference with ±12 mV tolerance over temperature, eliminating need for external reference components. VREF pin can be used as output or input; SENSE pin selects internal/external reference mode. External reference is optional only for applications demanding tighter than ±1.2% reference accuracy.
How does the power consumption of AD9629BCPZ-40 compare across different supply voltages?
At 40 MSPS, AD9629BCPZ-40 consumes 56.7 mW with DRVDD = 1.8 V and 71.7 mW with DRVDD = 3.3 V (AVDD remains 1.8 V). The analog core (IAVDD) draws 31.1 mA regardless of DRVDD; digital output drivers (IDRVDD) scale with logic voltage - enabling optimization for FPGA I/O voltage without affecting analog performance.
Can the AD9629BCPZ-40 operate in standalone mode without SPI configuration?
Yes. The AD9629BCPZ-40 supports non-SPI mode using static pin controls: DFS sets output format (offset binary/twos complement), PDWN enables power-down, and MODE/OR configures chip mode or out-of-range flag. All key functions - including clock division and data alignment - default to functional states without SPI access.
What is the latency and timing behavior of AD9629BCPZ-40 during power state transitions?
The AD9629BCPZ-40 exhibits 8-cycle pipeline latency in normal operation. Wake-up from power-down takes 350 µs (dependent on decoupling capacitor values), and standby exit requires 260 ns. Out-of-range recovery completes in 2 cycles. These deterministic timing parameters enable precise synchronization in time-critical burst-mode systems like pulsed radar and TOF-PET.
AD9629BCPZ-40 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:
- 12
- Sampling Rate (Per Second):
- 40M
- 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 ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 32-LFCSP-VQ (5x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9629BCPZ-40 FAQ
1.How can I place an order for AD9629BCPZ-40 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9629BCPZ-40 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 AD9629BCPZ-40 reliable?
The price and inventory of AD9629BCPZ-40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9629BCPZ-40 is usually 5 days.
3.What payment methods are accepted for AD9629BCPZ-40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9629BCPZ-40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9629BCPZ-40?
AD9629BCPZ-40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9629BCPZ-40 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 AD9629BCPZ-40?
For technical support, including AD9629BCPZ-40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9629BCPZ-40 requirements.
6.How does Aetrix verify that AD9629BCPZ-40 is sourced from the original manufacturer or authorized distributors?
All AD9629BCPZ-40 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 AD9629BCPZ-40 meets industry standards.
7.What is the process for return or replacement of AD9629BCPZ-40?
All AD9629BCPZ-40 units undergo pre-shipment inspection (PSI). If there is an issue with AD9629BCPZ-40, 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 AD9629BCPZ-40 part is unused and in its original packaging.
Return procedure for AD9629BCPZ-40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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