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Analog Devices Inc. AD9266-65EBZ
- Part No.:
- AD9266-65EBZ
- Manufacturer:
- Analog Devices Inc.
- Package:
- Datasheet:
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AD9266-65EBZ.pdf
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- BOARD EVAL FOR AD9266-65
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Product details
Overview
AD9266-65EBZ from Analog Devices is a 16-bit, 65 MSPS analog-to-digital converter operating from a single 1.8 V analog supply with differential 700 MHz input bandwidth, 77.6 dBFS SNR at 9.7 MHz, and on-chip voltage reference - used in ultrasound front-ends and portable radar receivers requiring high dynamic range at low power.
For engineers reviewing the AD9266-65EBZ datasheet, AD9266-65EBZ pinout, AD9266-65EBZ application, or AD9266-65EBZ equivalent, key selection criteria include sampling rate compatibility (65 MSPS), 1.8 V analog/1.8–3.3 V digital supply flexibility, CMOS/LVDS/PECL clock interface support, interleaved 16-bit output format options, and industrial temperature range (−40°C to +85°C) operation.
Technical Context
The AD9266-65EBZ implements a multistage differential pipeline architecture with output error correction logic to guarantee 16-bit accuracy and no missing codes across −40°C to +85°C. It uses a differential sample-and-hold circuit optimized for wideband inputs up to 200 MHz.
Its serial port interface (SPI) enables full configuration of clock/data alignment, integer 1-to-8 clock division, duty cycle stabilization, digital test pattern generation, and power-down modes - all without external components beyond the required RBIAS resistor and VCM bias network.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees monotonicity and no missing codes over full temperature range. |
| Sampling Rate | 65 MSPS - fixed maximum conversion rate for this variant; supports real-time baseband digitization in LTE/W-CDMA receivers. |
| SNR @ 9.7 MHz | 77.6 dBFS - enables >12.6 ENOB for high-fidelity signal capture in medical ultrasound beamforming. |
| Input Bandwidth | 700 MHz - allows direct RF sampling of IF signals up to 200 MHz with minimal amplitude roll-off. |
| Analog Supply | 1.8 V AVDD - reduces system power vs. legacy 3.3 V ADCs; requires separate 1.8–3.3 V DRVDD for output driver compatibility. |
| Digital Output Format | Offset binary / Gray code / twos complement - selectable via SPI or hardware pins for seamless FPGA interface alignment. |
| Power @ 65 MSPS | 107 mW (DRVDD = 1.8 V) - enables battery-powered handheld scope meters with <2-hour runtime on 2000 mAh Li-ion. |
Pinout & Package
The AD9266-65EBZ is housed in a 32-lead RoHS-compliant LFCSP (5 mm × 5 mm) with exposed paddle soldered to AGND for thermal and noise integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential clock input | Accepts CMOS/LVDS/LVPECL; internal common-mode bias at 0.9 V eliminates external termination resistors. |
| VIN+, VIN− | Differential analog input | 700 MHz bandwidth; 2 V p-p full-scale range; 6.5 pF input capacitance requires matched layout for phase matching. |
| D1_D0 to D15_D14 | Interleaved 16-bit data outputs | CMOS-compatible; outputs grouped as 2-bit pairs to reduce pin count and routing congestion on dense PCBs. |
| DCO | Data clock output | Programmable edge alignment ensures setup/hold compliance with FPGA or ASIC capture logic across process/voltage/temp. |
| CSB, SCLK/DFS, SDIO/PDWN | SPI control interface | 3-wire serial port with 30 kΩ internal pull-up/down enables register configuration without external biasing components. |
| EPAD | Exposed paddle | Only ground connection; must be soldered to solid AGND plane to meet thermal resistance (θJA = 37.1°C/W) and minimize noise 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 associated layout sensitivity. |
| Programmable clock divider | Integer 1-to-8 ratio - allows use of lower-frequency, lower-jitter master clocks while maintaining precise 65 MSPS sampling. |
| Duty cycle stabilizer (DCS) | Compensates for >40% clock duty cycle variation - preserves aperture jitter (<0.1 ps rms) when driven from non-50% clocks. |
| Built-in test patterns | Deterministic, pseudorandom, and user-defined via SPI - enables production testing without external signal generators. |
| Power-down modes | 0.5 mW deep power-down and 44 mW standby - extends battery life in portable medical imaging devices during idle intervals. |
Applications
| Ultrasound Beamforming | Radar/LIDAR Receiver |
|---|---|
Use Scenario: Digitizing echo return signals from phased-array transducers in handheld ultrasound systems. IC Role / Device Role / Timing Role: Primary ADC capturing 12–20 MHz band-limited RF echoes with 16-bit resolution and 77.6 dBFS SNR. Use Value: Enables real-time B-mode image reconstruction with >12.6 ENOB, supporting diagnostic confidence in point-of-care settings. |
Use Scenario: Converting intermediate frequency (IF) outputs from FMCW radar mixers in automotive ADAS modules. IC Role / Device Role / Timing Role: High-speed digitizer for 70–200 MHz IF signals with 700 MHz analog input bandwidth. Use Value: Preserves target range resolution and velocity accuracy by maintaining SFDR ≥80 dBc at 200 MHz input frequency. |
| Portable Spectrum Analyzer | Smart Antenna Baseband Processor |
Use Scenario: Real-time spectral analysis in handheld field test equipment for cellular infrastructure maintenance. IC Role / Device Role / Timing Role: Core ADC in undersampling architecture capturing 900 MHz–2.6 GHz bands via 65 MSPS Nyquist-rate sampling. Use Value: Delivers 75.5 dBFS SNR at 69 MHz input, enabling detection of weak interferers 40 dB below carrier in crowded RF environments. |
Use Scenario: Digitizing downconverted MIMO channel signals in base station remote radio heads. IC Role / Device Role / Timing Role: Multi-channel ADC subsystem element with programmable data alignment for coherent multi-antenna timing sync. Use Value: Interleaved output and DCO alignment ensure deterministic latency (8 cycles) across channels for beam steering algorithms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-resolution ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9265-65EBZ | 16-bit, 65 MSPS, but lacks on-chip voltage reference and duty cycle stabilizer; requires external 1.0 V reference. | Higher board-level complexity and cost due to external reference and clock conditioning circuitry. | Choose AD9265-65EBZ only if system already provides precision 1.0 V reference and low-jitter 50% clock. |
| ADS5463IPFP | 16-bit, 500 MSPS, 3.3 V supply, no integrated reference; higher power (1.4 W) and larger 64-pin HTQFP package. | Targeted at high-end instrumentation with wide instantaneous bandwidth, not portable or low-power systems. | Choose ADS5463IPFP only when >100 MSPS sampling and >700 MHz input bandwidth are mandatory. |
Compared with AD9266-65EBZ, AD9265-65EBZ increases design overhead through external reference dependency, while ADS5463IPFP trades power efficiency and compactness for raw speed - making AD9266-65EBZ optimal for portable, battery-constrained, and thermally constrained applications demanding 65 MSPS fidelity.
Availability
AD9266-65EBZ is available at Aetrix Electronics and suitable for ultrasound imaging, portable radar, and handheld spectrum analysis requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for AD9266-65EBZ 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 AD9266 product line delivers high-resolution, low-power ADCs for portable and battery-operated instrumentation where dynamic range, thermal efficiency, and integration density are critical.
FAQ
What is the maximum input frequency supported by the AD9266-65EBZ analog front-end?
The AD9266-65EBZ features a 700 MHz analog input bandwidth, enabling accurate digitization of signals up to 200 MHz while maintaining 72.1 dBFS SNR. This bandwidth is verified per AC specifications in the Rev. B datasheet and supports undersampling architectures for IF digitization in communications and radar systems. The AD9266-65EBZ maintains performance up to its specified full-scale input frequency limit without external filtering.
Does the AD9266-65EBZ require an external voltage reference?
No, the AD9266-65EBZ integrates a precision 1.0 V voltage reference with ±12 mV tolerance and 2 mV load regulation error. It can operate in internal reference mode (VREF pin left unconnected or tied to SENSE) or accept an external 1.0 V reference. The AD9266-65EBZ datasheet confirms internal reference functionality is fully characterized and guaranteed across temperature.
How does the AD9266-65EBZ handle clock duty cycle variations?
The AD9266-65EBZ includes an optional duty cycle stabilizer (DCS) that compensates for wide variations in input clock duty cycle while maintaining <0.1 ps rms aperture jitter. When enabled, DCS ensures consistent sampling window timing regardless of whether the input clock is 30%/70% or 50%/50%, preserving SNR and SFDR performance as confirmed in Figure 20 of the AD9266-65EBZ datasheet.
What digital output interface options does the AD9266-65EBZ support?
The AD9266-65EBZ supports offset binary, Gray code, and twos complement output formats, selectable via SPI register or hardware pins (SCLK/DFS). Its interleaved 16-bit CMOS outputs (D1_D0 through D15_D14) are compatible with 1.8 V or 3.3 V logic families using the independent DRVDD supply. The DCO output provides programmable edge alignment for reliable capture in FPGA-based receivers.
Is the AD9266-65EBZ pin-compatible with other members of the AD92xx family?
Yes, the AD9266-65EBZ uses a 32-lead LFCSP package identical to the AD9609 (10-bit), AD9629 (12-bit), and AD9649 (14-bit) ADCs, enabling hardware reuse across resolution tiers. Pin functions including CLK±, VIN±, DCO, and SPI interface are mapped identically, allowing migration from lower-bit ADCs to the AD9266-65EBZ without PCB redesign.
AD9266-65EBZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Box
- Product Status:
- Obsolete
- Number of A/D Converters:
- 1
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 65M
- Data Interface:
- SPI
- Input Range:
- 2Vpp
- Power (Typ) @ Conditions:
- -
- Utilized IC / Part:
- AD9266
- Contents:
- Board(s)
AD9266-65EBZ FAQ
1.How can I place an order for AD9266-65EBZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9266-65EBZ 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 AD9266-65EBZ reliable?
The price and inventory of AD9266-65EBZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9266-65EBZ is usually 5 days.
3.What payment methods are accepted for AD9266-65EBZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9266-65EBZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9266-65EBZ?
AD9266-65EBZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9266-65EBZ 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 AD9266-65EBZ?
For technical support, including AD9266-65EBZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9266-65EBZ requirements.
6.How does Aetrix verify that AD9266-65EBZ is sourced from the original manufacturer or authorized distributors?
All AD9266-65EBZ 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 AD9266-65EBZ meets industry standards.
7.What is the process for return or replacement of AD9266-65EBZ?
All AD9266-65EBZ units undergo pre-shipment inspection (PSI). If there is an issue with AD9266-65EBZ, 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 AD9266-65EBZ part is unused and in its original packaging.
Return procedure for AD9266-65EBZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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