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Analog Devices Inc. AD9231BCPZRL7-40
- Part No.:
- AD9231BCPZRL7-40
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9231BCPZRL7-40.pdf
- Description:
- IC ADC 12BIT PIPELINED 64LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,094
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Product details
Overview
AD9231BCPZRL7-40 from Analog Devices is a dual-channel, 12-bit, 40 MSPS analog-to-digital converter operating from a single 1.8 V analog supply with 2 Vp-p differential input, 71.3 dBFS SNR at 9.7 MHz, and 93 dBc SFDR - deployed in I/Q demodulation systems for LTE and W-CDMA baseband receivers.
For engineers reviewing the AD9231BCPZRL7-40 datasheet, AD9231BCPZRL7-40 pinout, AD9231BCPZRL7-40 application, or AD9231BCPZRL7-40 equivalent, key selection criteria include its 40 MSPS sampling rate, 700 MHz analog input bandwidth, on-chip voltage reference, programmable clock divider (1–8), and CMOS/LVDS/LVPECL clock compatibility.
Technical Context
The AD9231BCPZRL7-40 employs 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 patented sample-and-hold circuit supports full performance up to 200 MHz input frequency while maintaining low power consumption (71 mW per channel at 40 MSPS).
Dual-channel synchronization is enabled via shared differential clock (CLK+/CLK−) and SYNC input, with independent digital outputs (D0A–D11A, D0B–D11B), programmable data format (offset binary/gray/twos complement), and built-in deterministic/pseudorandom test pattern generation accessible through SPI.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - guarantees monotonicity and no missing codes across full industrial temperature range. |
| Sampling Rate | 40 MSPS - fixed maximum conversion rate for this variant; enables real-time digitization of IF signals up to ~20 MHz Nyquist bandwidth. |
| SNR @ 9.7 MHz | 71.3 dBFS - defines usable dynamic range for narrowband communications signals like GSM/EDGE channel detection. |
| SFDR @ 9.7 MHz | 93 dBc - determines spurious-free resolution for multi-carrier systems such as LTE uplink where adjacent channel interference must be suppressed. |
| Analog Input BW | 700 MHz - supports direct sampling of high-frequency IF stages without external amplification or filtering degradation. |
| Power Consumption | 71 mW per channel at 40 MSPS - enables battery-powered instrumentation and portable ultrasound front-ends with thermal constraints. |
| Digital Output Supply | 1.8 V to 3.3 V (DRVDD) - allows interface compatibility with both low-voltage FPGAs and legacy 3.3 V logic families without level shifters. |
Pinout & Package
The AD9231BCPZRL7-40 is housed in a 64-lead RoHS-compliant LFCSP (9 mm × 9 mm) with exposed paddle soldered to AGND for thermal and noise integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (exposed paddle) | Primary ground reference | Mandatory connection to PCB AGND plane for thermal dissipation, noise reduction, and mechanical reliability. |
| CLK+, CLK− | Differential clock input | Accepts CMOS/LVDS/LVPECL; internal bias sets common-mode at 0.9 V; enables jitter-insensitive sampling with optional duty cycle stabilizer. |
| VIN+A, VIN−A / VIN+B, VIN−B | Differential analog inputs (Ch A/B) | 700 MHz bandwidth; 2 Vp-p full-scale range; common-mode voltage set by VCM pin (0.9 V typical). |
| D0A–D11A, D0B–D11B | Parallel CMOS digital outputs | 12-bit per channel; MSB-first; configurable data format; multiplex option reduces bus width in space-constrained designs. |
| DCOA, DCOB | Data clock outputs | Source-synchronous timing references for latch alignment; programmable phase/delay relative to data edges. |
| SDIO/DCS, SCLK/DFS, CSB | SPI serial interface control | Configures clock divider, power-down, data alignment, test patterns, and reference modes without requiring external logic. |
| PDWN, OEB, SYNC | Functional control inputs | PDWN enables 2.2 mW power-down mode; OEB tristates outputs; SYNC synchronizes internal clock divider across multiple devices. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage reference | 1.0 V ±1.5% output with 2 mV load regulation error - eliminates need for external precision reference and associated layout sensitivity. |
| Programmable clock divider (1–8) | Enables use of higher-frequency, lower-jitter system clocks while maintaining exact 40 MSPS sampling - simplifies clock tree design and reduces EMI. |
| Built-in digital test pattern generation | Supports deterministic, pseudorandom, and user-defined patterns via SPI - accelerates production testing and eliminates external pattern generators. |
| Data clock out (DCO) with alignment control | Allows fine-tuning of DCO-to-data skew (<0.1 ns) and propagation delay (3 ns) - ensures reliable capture in FPGA-based receivers with tight setup/hold margins. |
| Integer-N clock divider + DCS | Compensates for >40% clock duty cycle variation while preserving AC performance - critical for robust operation with crystal oscillators or PLLs lacking perfect 50% duty cycle. |
Applications
| Communications Baseband Receiver | I/Q Demodulation System |
|---|---|
|
Use Scenario: Digitizing quadrature IF outputs from zero-IF or low-IF mixers in LTE femtocell base stations. IC Role / Device Role / Timing Role: Dual-channel simultaneous sampling ADC providing synchronized I and Q data streams at 40 MSPS for complex baseband processing. Use Value: 71.3 dBFS SNR and 93 dBc SFDR preserve EVM and ACLR performance in 20 MHz LTE channels without oversampling or external dithering. |
Use Scenario: Converting I/Q outputs from analog quadrature demodulators in software-defined radio (SDR) transceivers. IC Role / Device Role / Timing Role: High-fidelity dual ADC capturing phase-coherent signal pairs with <0.1 ns inter-channel skew for accurate vector signal analysis. Use Value: Matched gain/offset error (<±0.7% FSR) and 700 MHz input bandwidth enable direct digitization of 40 MHz IF signals without image-reject filtering. |
| Portable Ultrasound Front-End | Battery-Powered Handheld Scope Meter |
|
Use Scenario: Digitizing echo return signals from phased-array transducers in point-of-care ultrasound systems. IC Role / Device Role / Timing Role: Low-power, high-SNR ADC interfacing with T/R switch and VGA, supporting burst-mode acquisition at 40 MSPS. Use Value: 71 mW/channel power at 40 MSPS and integrated reference reduce thermal load and component count in sealed handheld enclosures. |
Use Scenario: Capturing time-domain waveforms in compact oscilloscope modules with FPGA-based trigger and display engines. IC Role / Device Role / Timing Role: Precision dual ADC delivering synchronized samples for real-time FFT and envelope detection in battery-operated test gear. Use Value: Programmable data format (gray code) minimizes metastability during clock domain crossing; DCO output simplifies FPGA latch timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, 12-bit ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9231BCPZRL7-20 | Lower 20 MSPS sampling rate; identical 12-bit resolution, package, and feature set. | Better suited for lower-bandwidth applications like narrowband IoT gateways or audio spectrum analyzers. | Select when system clock constraints or power budget require halving sample rate without changing layout or firmware interface. |
| AD9251BCPZRL7-40 | 14-bit resolution, same 40 MSPS rate, 64-lead LFCSP pin-compatible but higher power (122 mW/channel). | Required for applications needing >75 dBFS SNR, e.g., high-fidelity radar pulse compression or medical MRI digitization. | Choose only if ENOB >12 bits is mandatory; verify thermal management due to 72% higher power dissipation per channel. |
Compared with AD9231BCPZRL7-20 and AD9251BCPZRL7-40, the AD9231BCPZRL7-40 delivers optimal balance of 12-bit fidelity, 40 MSPS throughput, and 71 mW/channel efficiency - making it ideal for cost- and power-sensitive communications and portable instrumentation where 14-bit resolution is unnecessary.
Availability
AD9231BCPZRL7-40 is available at Aetrix Electronics and suitable for communications infrastructure, portable medical imaging, and battery-powered test equipment requiring stable component supply and long-term obsolescence planning.
Supply support for AD9231BCPZRL7-40 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, with R&D and manufacturing facilities worldwide.
The AD9231 product line delivers high-speed, low-power, dual-channel ADCs optimized for communications, instrumentation, and medical imaging - emphasizing pin compatibility across bit-depths and sample rates to simplify platform scalability.
FAQ
What is the maximum analog input frequency supported by the AD9231BCPZRL7-40?
The AD9231BCPZRL7-40 supports analog input frequencies up to 200 MHz while maintaining specified SNR and SFDR performance, enabled by its 700 MHz small-signal analog input bandwidth and patented sample-and-hold circuit. This allows direct sampling of IF signals in LTE and WiMAX receivers without intermediate downconversion stages.
Does the AD9231BCPZRL7-40 require an external voltage reference?
No, the AD9231BCPZRL7-40 integrates a precision 1.0 V voltage reference with ±1.5% initial accuracy and 2 mV load regulation error, eliminating the need for external reference components. The VREF pin can be used as output or input, and SENSE pin selects internal/external reference mode via SPI or hardware configuration.
How does the AD9231BCPZRL7-40 handle clock jitter sensitivity?
The AD9231BCPZRL7-40 features an aperture uncertainty (jitter) of just 0.1 ps rms, achieved through low-noise sampling circuitry and optional duty cycle stabilizer (DCS). This enables robust operation with clocks exhibiting >40% duty cycle variation, reducing dependency on ultra-low-jitter oscillators in cost-sensitive designs.
Can the AD9231BCPZRL7-40 operate with a 3.3 V digital interface?
Yes, the AD9231BCPZRL7-40 supports 1.8 V to 3.3 V digital output driver supply (DRVDD), allowing direct interfacing with 3.3 V CMOS logic. Output levels meet 3.25 V high-level and 0.2 V low-level specifications at 1.6 mA sink current, removing need for level-shifting circuitry in mixed-voltage systems.
Is the AD9231BCPZRL7-40 pin-compatible with other members of the AD9231 family?
Yes, the AD9231BCPZRL7-40 shares the same 64-lead LFCSP package and pinout with all AD9231 variants (AD9231-20/65/80), enabling drop-in replacement across sampling rates. It is also pin-compatible with AD9258 (16-bit), AD9251 (14-bit), AD9204 (10-bit), and AD9268 (16-bit) for scalable platform design.
AD9231BCPZRL7-40 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 64-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 40M
- Number of Inputs:
- 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 2
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 3.6V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-LFCSP-VQ (9x9)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9231BCPZRL7-40 FAQ
1.How can I place an order for AD9231BCPZRL7-40 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9231BCPZRL7-40 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 AD9231BCPZRL7-40 reliable?
The price and inventory of AD9231BCPZRL7-40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9231BCPZRL7-40 is usually 5 days.
3.What payment methods are accepted for AD9231BCPZRL7-40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9231BCPZRL7-40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9231BCPZRL7-40?
AD9231BCPZRL7-40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9231BCPZRL7-40 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 AD9231BCPZRL7-40?
For technical support, including AD9231BCPZRL7-40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9231BCPZRL7-40 requirements.
6.How does Aetrix verify that AD9231BCPZRL7-40 is sourced from the original manufacturer or authorized distributors?
All AD9231BCPZRL7-40 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 AD9231BCPZRL7-40 meets industry standards.
7.What is the process for return or replacement of AD9231BCPZRL7-40?
All AD9231BCPZRL7-40 units undergo pre-shipment inspection (PSI). If there is an issue with AD9231BCPZRL7-40, 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 AD9231BCPZRL7-40 part is unused and in its original packaging.
Return procedure for AD9231BCPZRL7-40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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