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Analog Devices Inc. AD9201ARSZRL
- Part No.:
- AD9201ARSZRL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
AD9201ARSZRL.pdf
- Description:
- IC ADC 10BIT PIPELINED 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,180
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Product details
Overview
AD9201ARSZRL from Analog Devices is a dual-channel, 10-bit, 20 MSPS CMOS analog-to-digital converter optimized for I/Q sampling in communications systems. It integrates two matched ADCs, on-chip analog input buffers, a programmable 1 V/2 V reference, and multiplexed 10-bit digital output. Designed for RF receiver front-ends, it delivers 57.8 dB SNR, –73 dB SFDR, and ±0.4 LSB DNL at 20 MHz sampling.
For engineers reviewing the AD9201ARSZRL datasheet, AD9201ARSZRL pinout, AD9201ARSZRL application, or AD9201ARSZRL equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, confirmed alternative parts with documented differences, and supply-chain support for production deployment.
Technical Context
The AD9201ARSZRL employs a multistage pipeline architecture with simultaneous sampling sample-and-hold amplifiers per channel, enabling guaranteed no-missing-codes operation and 3-cycle pipeline latency. Its dual-core design shares a single on-chip bandgap reference buffer to maximize gain match (±0.5 LSB) and minimize crosstalk (68 dB).
Analog inputs accept both differential and single-ended signals up to 10 MHz Nyquist, with 245 MHz full-power bandwidth and 2 pF input capacitance. Digital outputs are multiplexed onto one 10-bit bus controlled by the SELECT pin, with separate DVDD-supplied drivers supporting 3 V or 5 V logic families.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - supports 1024 distinct digital codes for precise amplitude quantization in baseband I/Q processing. |
| Sampling Rate | 20 MSPS - enables digitization of signals up to 10 MHz Nyquist bandwidth, covering narrowband and spread-spectrum channels. |
| SNR | 57.8 dB at 3.58 MHz - translates to ~9.3 effective bits, critical for maintaining signal fidelity in low-SNR receiver paths. |
| SFDR | –73 dB at 10 MHz - ensures strong spurious rejection for clean spectral analysis in adjacent-channel interference scenarios. |
| DNL | ±0.4 LSB - guarantees monotonic transfer function and eliminates code ambiguities in closed-loop control or demodulation algorithms. |
| Power Dissipation | 215 mW at 3 V - enables dual-ADC functionality within tight thermal budgets for compact wireless modules. |
| Reference Options | 1 V or 2 V internal - selectable via REFSENSE pin; 2 V mode optimizes SNR, 1 V mode improves high-frequency THD on 3 V supplies. |
| Input Structure | Differential or single-ended - high-impedance PMOS source-follower inputs eliminate need for external op-amps in most antialias filter interfaces. |
Pinout & Package
AD9201ARSZRL is housed in a 28-lead Shrink Small Outline Package (SSOP), RoHS-compliant, with 0.65 mm lead pitch and exposed pad not electrically connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DVSS | Digital ground reference | Must be isolated from AVSS to prevent digital noise coupling into analog conversion path. |
| DVDD | Digital supply (2.7–5.5 V) | Independent of AVDD; powers output drivers and logic-enables mixed-voltage system interfacing. |
| D0–D9 | Multiplexed digital output bus | 10-bit straight-binary data; SELECT pin determines whether I or Q channel appears on these pins. |
| SELECT | Channel selection control | High = I-channel output enabled; Low = Q-channel output enabled-supports time-interleaved readout. |
| CLOCK | Sampling clock input | Rising-edge triggered; internally buffered with AVDD-referenced threshold-accepts 3.3 V or 5 V CMOS levels. |
| SLEEP | Power-down enable | High = standby mode (15.5 mW); Low = active conversion-enables dynamic power management in burst-mode receivers. |
| INA-I / INB-I | I-channel differential analog inputs | High-impedance, fully differential pair; accepts 0 V–1 V (1 V ref) or 0 V–2 V (2 V ref) spans without external buffering. |
| INA-Q / INB-Q | Q-channel differential analog inputs | Matched to I-channel in gain/offset (±0.5 LSB gain match, ±5 LSB offset match) for coherent I/Q demodulation. |
| VREF | Internal reference output | Programmable 1 V or 2 V; used directly as ADC reference or scaled externally via resistor divider network. |
| REFSENSE | Reference mode select | Tied to VREF = 1 V mode; tied to AVSS = 2 V mode; tied to AVDD = external reference mode. |
| CHIP-SELECT | Output bus enable | Low = three-state outputs active; High = outputs tri-stated-allows multiple AD9201ARSZRL devices on shared data bus. |
| AVDD / AVSS | Analog supply and ground | Separate from digital rails; must be decoupled with 0.1 µF + 10 µF capacitors near package for optimal SFDR performance. |
Key Features
| Feature | Design Value |
|---|---|
| Dual matched ADC cores | Guaranteed ±0.5 LSB gain match and ±5 LSB offset match between I and Q channels-essential for image rejection in zero-IF architectures. |
| On-chip analog input buffers | PMOS source-follower structure provides >1 MΩ input impedance and 245 MHz full-power bandwidth-eliminates external op-amps in most antialias filter designs. |
| Pin-programmable reference | Single REFSENSE pin selects 1 V (optimized THD) or 2 V (optimized SNR) internal reference-no external components required for common configurations. |
| Multiplexed 10-bit output bus | Reduces PCB trace count and FPGA I/O usage by 50% vs. dual independent buses-saves board space in space-constrained SDR and modem designs. |
| Low-power 3 V operation | 215 mW total consumption at 3 V supply-enables battery-powered or thermally constrained applications such as portable spectrum analyzers and UAV telemetry receivers. |
| 28-lead SSOP package | Compact 10.2 mm × 5.3 mm footprint with standard JEDEC MO-153 outline-compatible with automated assembly and reflow processes. |
Applications
| Wireless Base Station Receiver | Software-Defined Radio (SDR) Front-End |
|---|---|
Use Scenario: Digitizing downconverted I/Q signals from RF mixers in macrocell BTS transceivers operating at 20 MSPS. IC Role / Device Role / Timing Role: Dual-channel ADC providing simultaneous sampling of in-phase and quadrature baseband signals for digital demodulation and channel estimation. Use Value: ±0.4 LSB DNL and –73 dB SFDR ensure minimal EVM degradation in 64-QAM LTE uplinks; matched channels reduce image cancellation complexity in DSP firmware. | Use Scenario: Capturing wideband IF signals in field-deployable SDR platforms requiring flexible analog input configuration. IC Role / Device Role / Timing Role: High-fidelity digitizer with programmable 1 V/2 V reference and differential/single-ended input support for multi-standard waveform capture. Use Value: 245 MHz input bandwidth and 57.8 dB SNR enable clean digitization of 20 MHz LTE carriers; multiplexed bus simplifies FPGA interface in compact half-size PCIe cards. |
| Medical Ultrasound Beamformer | Test & Measurement Digitizer |
Use Scenario: Sampling echo return signals from phased-array transducers in portable ultrasound systems with real-time beamforming. IC Role / Device Role / Timing Role: Dual ADC capturing synchronized analog channels for time-of-flight calculation and spatial filtering in FPGA-based beamformers. Use Value: 3-cycle pipeline latency and simultaneous sampling ensure sub-nanosecond timing alignment across channels; low aperture jitter (2 ps) preserves axial resolution. | Use Scenario: Embedded digitizer module in benchtop oscilloscopes and spectrum analyzers requiring stable, low-distortion acquisition. IC Role / Device Role / Timing Role: Precision ADC subsystem delivering calibrated 10-bit samples with known linearity and noise floor for measurement traceability. Use Value: Guaranteed no-missing-codes and ±1.2 LSB INL support accurate amplitude histogramming; on-chip reference reduces calibration overhead in production test fixtures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9281ARSZ | 8-bit resolution, same 28-lead SSOP package and pinout; lower power (125 mW), reduced SFDR (–65 dB) | Better suited for cost-sensitive, lower-dynamic-range applications like basic data loggers or audio monitoring | Select when 8-bit resolution suffices and board layout reuse is prioritized over SNR/SFDR performance. |
| ADS5271IPFP | 10-bit, 40 MSPS, 4-channel, QFN-64 package; higher power (620 mW); requires external reference and buffers | Targets higher-channel-count, higher-sample-rate systems such as multi-antenna MIMO test equipment | Select when scaling beyond dual-channel or needing >20 MSPS with deterministic latency; accept added BOM and layout complexity. |
Compared with AD9201ARSZRL, AD9281ARSZ offers identical footprint and lower cost but sacrifices 2 bits of resolution and 8 dB SFDR, while ADS5271IPFP doubles channel count and sample rate at the expense of power, package size, and external component requirements-making AD9201ARSZRL optimal for balanced I/Q digitization where matching, integration, and power efficiency are critical.
Availability
AD9201ARSZRL is available at Aetrix Electronics and suitable for wireless infrastructure, medical imaging, and test equipment requiring stable component supply, long-term obsolescence management, and traceable sourcing.
Supply support for AD9201ARSZRL 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 AD9201ARSZRL belongs to Analog Devices' precision high-speed ADC product line, designed specifically for communications, instrumentation, and medical applications demanding tightly matched dual-channel performance with integrated reference and input conditioning.
FAQ
What is the maximum input frequency supported by the AD9201ARSZRL?
The AD9201ARSZRL supports a full-power input bandwidth of 245 MHz (–3 dB) and small-signal bandwidth of 240 MHz. Its Nyquist limit at 20 MSPS is 10 MHz, meaning it can accurately digitize baseband signals up to 10 MHz without aliasing. For IF sampling applications, the device maintains usable SNR and SFDR performance well into the VHF range when undersampling techniques are applied, as confirmed by Figure 13 in the datasheet.
Does the AD9201ARSZRL require external analog input amplifiers?
No, the AD9201ARSZRL does not require external analog input amplifiers in most applications. Its integrated PMOS source-follower input buffers provide high input impedance (>1 MΩ), 245 MHz bandwidth, and drive capability sufficient for direct connection to passive antialias filters or transformer-coupled sources. External op-amps are only needed for gain, level-shifting, or driving very low-impedance sources beyond the buffer's capability.
How is the reference voltage configured on the AD9201ARSZRL?
The AD9201ARSZRL reference voltage is configured using the REFSENSE pin: tie REFSENSE to VREF for 1 V mode (optimized for THD on 3 V supplies), tie REFSENSE to AVSS for 2 V mode (optimized for SNR), tie REFSENSE to AVDD to disable the internal reference and use an external source on VREF, or connect a resistor divider between VREF and AVSS to set intermediate voltages from 0.7 V to 2.5 V. All modes are fully supported and characterized in the datasheet.
What is the purpose of the SELECT and CHIP-SELECT pins on the AD9201ARSZRL?
The SELECT pin controls which ADC channel (I or Q) drives the multiplexed D0–D9 output bus: high = I-channel data, low = Q-channel data. The CHIP-SELECT pin enables or disables the output drivers: low = active drive, high = high-impedance state. Together, they allow time-interleaved readout of both channels and bus sharing among multiple AD9201ARSZRL devices on a common data path without external logic.
Is the AD9201ARSZRL pin-compatible with other devices in its family?
Yes, the AD9201ARSZRL is pin-compatible with the AD9281ARSZ (dual 8-bit, 20 MSPS ADC) in the same 28-lead SSOP package, enabling hardware reuse across performance tiers. It is also functionally paired with the AD9761 dual DAC for transmit-path complementarity. However, it is not pin-compatible with higher-channel-count or different-package variants such as the AD9271 or ADS5271.
AD9201ARSZRL 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:
- 10
- Sampling Rate (Per Second):
- 20M
- 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:
- 2.7V ~ 5.5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.5V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 28-SSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9201ARSZRL FAQ
1.How can I place an order for AD9201ARSZRL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9201ARSZRL 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 AD9201ARSZRL reliable?
The price and inventory of AD9201ARSZRL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9201ARSZRL is usually 5 days.
3.What payment methods are accepted for AD9201ARSZRL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9201ARSZRL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9201ARSZRL?
AD9201ARSZRL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9201ARSZRL 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 AD9201ARSZRL?
For technical support, including AD9201ARSZRL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9201ARSZRL requirements.
6.How does Aetrix verify that AD9201ARSZRL is sourced from the original manufacturer or authorized distributors?
All AD9201ARSZRL 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 AD9201ARSZRL meets industry standards.
7.What is the process for return or replacement of AD9201ARSZRL?
All AD9201ARSZRL units undergo pre-shipment inspection (PSI). If there is an issue with AD9201ARSZRL, 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 AD9201ARSZRL part is unused and in its original packaging.
Return procedure for AD9201ARSZRL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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