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Analog Devices Inc. AD9224ARSZRL
- Part No.:
- AD9224ARSZRL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
AD9224ARSZRL.pdf
- Description:
- IC ADC 12BIT PIPELINED 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:696
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Product details
Overview
AD9224ARSZRL from Analog Devices is a monolithic 12-bit, 40 MSPS analog-to-digital converter with integrated sample-and-hold amplifier and programmable voltage reference. It operates on a single +5 V analog supply and separate 3 V to 5 V digital driver supply, delivers 68.3 dB SNR at 2.5 MHz input, guarantees no missing codes, and is housed in a 28-lead SSOP package for high-density data acquisition systems in communications and medical ultrasound.
For engineers reviewing the AD9224ARSZRL datasheet, AD9224ARSZRL pinout, AD9224ARSZRL application, or AD9224ARSZRL equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, confirmed application use cases, and two rigorously cross-checked alternative parts - all grounded in Analog Devices' official AD9224 Rev. A documentation.
Technical Context
The AD9224ARSZRL employs a four-stage differential pipelined architecture with digital error correction logic, enabling 12-bit accuracy at full 40 MSPS throughput. Its SHA supports both differential and single-ended inputs with user-selectable 2 V or 4 V p-p spans via internal 1 V/2 V reference or external reference configuration.
It features three-clock-cycle pipeline latency, straight-binary output format, and an out-of-range (OTR) flag synchronized to data outputs. The dual-supply interface separates AVDD (5 V) and DRVDD (3–5 V) to ensure compatibility with mixed-voltage logic families while maintaining analog performance integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - guarantees 4096 discrete output levels with no missing codes over full temperature range. |
| Max Conversion Rate | 40 MSPS - supports real-time digitization of signals up to 20 MHz Nyquist bandwidth. |
| SNR @ 2.5 MHz | 68.3 dB typical - enables >11.0 effective number of bits (ENOB) for precision baseband sampling. |
| SFDR @ 2.5 MHz | 81 dB typical - suppresses spurious tones sufficiently for demanding IF sampling in comms receivers. |
| Power Consumption | 415 mW at 1 V reference - low power vs. bipolar ADCs, easing thermal management in dense PCB layouts. |
| Differential Nonlinearity | ±0.33 LSB typical - ensures monotonic transfer function critical for closed-loop control feedback paths. |
| Aperture Jitter | 4 ps rms - limits sampling uncertainty-induced noise floor degradation at high input frequencies. |
Pinout & Package
AD9224ARSZRL is packaged in a 28-lead Shrink Small Outline Package (SSOP), RoHS-compliant, with 0.65 mm lead pitch and exposed pad not electrically connected. Thermal resistance θJA = 75°C/W per Analog Devices' package characterization.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK | Clock Input | Rising-edge-triggered master clock; requires 50% duty cycle at 40 MSPS; controls all internal conversion timing. |
| BIT 1–BIT 12 | Parallel Digital Output | MSB-first straight-binary data bus; latched on clock edge; compatible with 3 V or 5 V logic depending on DRVDD setting. |
| OTR | Out-of-Range Indicator | Active-high flag signaling input voltage exceeded ±VREF range; used with MSB to distinguish high/low overflow. |
| VINA / VINB | Differential Analog Input | True differential pair accepting ac/dc-coupled signals; common-mode level set by CML pin; supports single-ended operation when VINB tied to reference. |
| VREF / SENSE / REFCOM | Reference Configuration | VREF sets full-scale span (2×VREF); SENSE selects 1 V/2 V internal ref or enables external reference; REFCOM = AVSS reference return. |
| AVDD / AVSS | Analog Power/Ground | +5 V analog supply with ±5% tolerance; AVSS = analog ground plane; must be isolated from digital ground per layout guidelines. |
| DRVDD / DRVSS | Digital Driver Supply | +3 V to +5 V supply for output buffers; allows direct interfacing to 3.3 V FPGA I/O or 5 V microcontroller buses without level shifters. |
| CAPT / CAPB | Reference Decoupling | Internal reference node terminals requiring 0.1 µF + 10 µF parallel decoupling per Analog Devices' Figure 17 for stable low-noise operation. |
Key Features
| Feature | Design Value |
|---|---|
| No missing codes guaranteed | Ensures monotonicity across full 12-bit range and operating temperature (–40°C to +85°C), eliminating decision errors in control or measurement loops. |
| On-chip SHA with wideband input | Supports multiplexed channel switching and sampling beyond Nyquist (up to 120 MHz small-signal BW), reducing external component count and board space. |
| Programmable internal reference | Pin-strappable 1 V or 2 V output (via SENSE) yields 2 V or 4 V p-p input span - simplifies system-level gain scaling without external references. |
| Separate digital driver supply (DRVDD) | Enables interoperability with 3 V logic (e.g., modern FPGAs) while preserving analog supply integrity - avoids noise coupling into AVDD path. |
| Out-of-range (OTR) indicator | Hardware-flagged overflow detection eliminates need for software-based range checking, reducing CPU overhead in real-time signal processing pipelines. |
Applications
| Communications Receiver IF Sampling | Medical Ultrasound Beamforming |
|---|---|
Use Scenario: Digitizing intermediate frequency (IF) signals at 70 MHz or 140 MHz in software-defined radio front ends. IC Role / Device Role / Timing Role: High-speed ADC capturing complex baseband I/Q data after quadrature downconversion; OTR monitors AGC saturation events. Use Value: 81 dB SFDR prevents adjacent-channel interference masking weak signals; 40 MSPS rate supports 20 MHz instantaneous bandwidth for wideband modulation schemes. | Use Scenario: Acquiring echo return signals from piezoelectric transducers in portable ultrasound scanners. IC Role / Device Role / Timing Role: Channel ADC in multi-channel receive beamformer; synchronized sampling across 16–64 channels using shared CLK and matched trace lengths. Use Value: 68.3 dB SNR preserves tissue contrast resolution; low 415 mW power enables battery-operated handheld designs with minimal heat dissipation. |
| Industrial Imaging Line Scan Camera | Test & Measurement Digitizer Module |
Use Scenario: Capturing high-fidelity line-scan images from CCD/CMOS sensors in automated optical inspection (AOI) systems. IC Role / Device Role / Timing Role: Precision ADC converting analog pixel outputs at line rates up to 40 kHz with sub-LSB linearity. Use Value: ±0.33 LSB DNL ensures accurate grayscale reproduction; no missing codes prevents vertical banding artifacts in stitched image output. | Use Scenario: Embedded digitizer in benchtop oscilloscopes or signal analyzers requiring calibrated DC accuracy and dynamic range. IC Role / Device Role / Timing Role: Core acquisition engine with programmable reference and external trigger synchronization via CLK input. Use Value: ±2.5 LSB INL and ±0.3% gain error support traceable calibration; 28-SSOP footprint allows compact modular design with thermal isolation from analog front end. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 12-bit, ~40 MSPS analog-to-digital conversion applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9225ARSZ | Same 28-SSOP pinout; 12-bit, 65 MSPS; higher power (525 mW); improved SFDR (85 dB @ 2.5 MHz). | Better suited for wideband spectrum analysis where sampling rate >40 MSPS is required. | Select AD9225ARSZ only if system demands >40 MSPS and can accommodate higher power and cost. |
| MAX1186ETM+ | 12-bit, 40 MSPS; 32-TQFP package; single 3.3 V supply; lower SNR (65.5 dB); no internal reference. | Targeted at space-constrained, low-voltage embedded systems where external reference and level-shifting are acceptable. | Choose MAX1186ETM+ when board-level voltage rail consolidation (3.3 V only) outweighs need for integrated reference and SNR margin. |
Compared with AD9224ARSZRL, AD9225ARSZ offers higher speed but increased power and cost, while MAX1186ETM+ reduces supply complexity at the expense of SNR and reference integration - making AD9224ARSZRL the optimal balance of performance, integration, and thermal efficiency for mid-tier data acquisition.
Availability
AD9224ARSZRL is available at Aetrix Electronics and suitable for communications receiver IF sampling, medical ultrasound beamforming, and industrial imaging line scan camera applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for AD9224ARSZRL 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 worldwide.
The AD9224ARSZRL belongs to Analog Devices' high-speed precision ADC product line, engineered specifically for applications demanding high dynamic range, low power, and seamless integration of analog front-end functions - including communications infrastructure, medical imaging, and automated test equipment.
FAQ
What is the maximum recommended clock jitter for stable operation of the AD9224ARSZRL?
The AD9224ARSZRL specifies 4 ps rms aperture jitter, which translates to a practical input-referred clock jitter budget of ≤1.5 ps rms for maintaining full 12-bit ENOB at 20 MHz input frequency. Exceeding this degrades SNR proportionally; clock sources with phase noise <−140 dBc/Hz at 10 kHz offset are recommended. System-level jitter contributions from PCB routing, power supply noise, and clock buffer ICs must all be included in the total budget for AD9224ARSZRL.
Can the AD9224ARSZRL operate with a 3.3 V analog supply instead of +5 V?
No, the AD9224ARSZRL requires AVDD = +5 V ±5% (4.75 V to 5.25 V) per its Absolute Maximum Ratings and DC specifications. Operating below 4.75 V violates the datasheet's defined operating conditions and risks degraded INL, increased DNL, and failure to guarantee no missing codes. The digital driver supply (DRVDD) supports 2.85 V to 5.25 V, but AVDD must remain at +5 V for correct AD9224ARSZRL functionality.
How does the SENSE pin configure the internal reference voltage on the AD9224ARSZRL?
On the AD9224ARSZRL, tying SENSE to AVSS selects the 2 V internal reference mode (yielding 4 V p-p input span), while shorting SENSE to VREF selects the 1 V mode (2 V p-p span). An external resistor divider between AVDD and AVSS on SENSE allows interpolation between 1 V and 2 V. If SENSE is tied to AVDD, the internal reference amplifier disables, permitting an external reference to drive the VREF pin directly - all configurations are validated in AD9224ARSZRL's Rev. A datasheet Figure 16 and Table II.
Is the AD9224ARSZRL pin-compatible with other members of the AD922x family?
Yes, the AD9224ARSZRL is explicitly pin-compatible with AD9220, AD9221, AD9223, and AD9225 per the AD9224 Rev. A Product Highlights section. All share identical 28-SSOP pinout, power pin locations (AVDD/AVSS/DRVDD/DRVSS), and functional pin assignments (CLK, BIT[1:12], OTR, VINA/VINB, VREF/SENSE/REFCOM, CAPT/CAPB, CML). This enables drop-in replacement in existing designs when upgrading resolution, speed, or power targets within the same package footprint.
What decoupling is required on CAPT and CAPB pins for stable AD9224ARSZRL reference operation?
The AD9224ARSZRL requires a parallel decoupling network on CAPT and CAPB as specified in Figure 17 of the Rev. A datasheet: 0.1 µF ceramic capacitor from each pin to AVSS, plus a 10 µF tantalum or aluminum electrolytic capacitor bridging CAPT–CAPB. This configuration provides low-impedance reference drive, compensates internal amplifier A2, and bandlimits noise - omission causes reference instability, increased INL, and degraded SNR. These values are mandatory for all AD9224ARSZRL reference modes (internal 1 V/2 V or external).
AD9224ARSZRL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 28-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- 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:
- 5V
- Voltage - Supply, Digital:
- 2.85V ~ 5.25V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 28-SSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9224ARSZRL FAQ
1.How can I place an order for AD9224ARSZRL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9224ARSZRL 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 AD9224ARSZRL reliable?
The price and inventory of AD9224ARSZRL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9224ARSZRL is usually 5 days.
3.What payment methods are accepted for AD9224ARSZRL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9224ARSZRL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9224ARSZRL?
AD9224ARSZRL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9224ARSZRL 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 AD9224ARSZRL?
For technical support, including AD9224ARSZRL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9224ARSZRL requirements.
6.How does Aetrix verify that AD9224ARSZRL is sourced from the original manufacturer or authorized distributors?
All AD9224ARSZRL 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 AD9224ARSZRL meets industry standards.
7.What is the process for return or replacement of AD9224ARSZRL?
All AD9224ARSZRL units undergo pre-shipment inspection (PSI). If there is an issue with AD9224ARSZRL, 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 AD9224ARSZRL part is unused and in its original packaging.
Return procedure for AD9224ARSZRL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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