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Analog Devices Inc. AD9201ARSRL
- Part No.:
- AD9201ARSRL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
AD9201ARSRL.pdf
- Description:
- IC ADC 10BIT PIPELINED 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,269
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Product details
Overview
AD9201ARSRL from Analog Devices is a dual-channel, 20 MSPS, 10-bit 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. Key confirmed specs: 20 MHz sampling rate, ±0.4 LSB DNL, 57.8 dB SNR (f = 3.58 MHz), –73 dB SFDR, and 215 mW power consumption at 3 V.
For engineers reviewing the AD9201ARSRL datasheet, AD9201ARSRL pinout, AD9201ARSRL application, or AD9201ARSRL equivalent, this page delivers verified technical context, real-world design meaning for each specification, validated pin functions, and two rigorously confirmed alternative parts for I/Q ADC system design.
Technical Context
The AD9201ARSRL employs a multistage pipeline architecture with simultaneous sampling sample-and-hold amplifiers per channel, delivering guaranteed no-missing-codes performance and 3-cycle pipeline latency. Its dual-core design shares a single on-chip bandgap reference and 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, supported by high-impedance PMOS source-follower buffers (2 pF input capacitance, 2 ps aperture jitter). Digital outputs are multiplexed onto one 10-bit bus controlled by the SELECT pin, with three-state capability enabled via CHIP-SELECT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10 bits - defines quantization step size of 0.1% FS for precise signal digitization |
| Sampling Rate | 20 MSPS - supports baseband I/Q capture up to 10 MHz bandwidth without undersampling |
| Differential Nonlinearity | ±0.4 LSB - ensures monotonic transfer function critical for communication constellation fidelity |
| Signal-to-Noise Ratio | 57.8 dB at 3.58 MHz - corresponds to ~9.3 effective bits for clean RF signal recovery |
| Spurious-Free Dynamic Range | –73 dB - enables detection of weak signals amid strong interferers in dense spectral environments |
| Power Consumption | 215 mW at 3 V - enables dual-channel ADC functionality within tight thermal budgets in portable radios |
| Reference Voltage | Programmable 1 V or 2 V - selects full-scale input range (1 V or 2 V p-p differential) to optimize SNR or THD per supply rail |
Pinout & Package
AD9201ARSRL is housed in a 28-lead Shrink Small Outline Package (SSOP), RoHS-compliant and rated for –40°C to +85°C operation. The package provides compact board footprint while maintaining signal integrity for high-speed analog and digital routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| D0–D9 | Digital Output Bus (LSB to MSB) | Multiplexed 10-bit straight-binary data from I or Q channel based on SELECT state |
| SELECT | Channel Multiplexer Control | High = I-channel output enabled; Low = Q-channel output enabled; determines interleaved data source |
| CLOCK | Sampling Clock Input | Rising-edge-triggered; internal AVDD-referenced buffer accepts 3.3 V or 5 V logic; 22.5 ns min pulse width |
| SLEEP | Power-Down Control | High = standby mode (15.5 mW); Low = active conversion; enables rapid low-power wake-up |
| CHIP-SELECT | Output Enable / High-Z Control | Low = outputs active; High = all D0–D9 placed in high-impedance state for bus sharing |
| INA-I / INB-I / INA-Q / INB-Q | Differential Analog Inputs | High-impedance buffered inputs (2 pF); support ±0.5 V to AVDD/2 range; enable direct antialias filter interface |
| VREF / REFSENSE / REFT-I / REFB-I / REFT-Q / REFB-Q | Reference Interface | VREF outputs 1 V or 2 V; REFSENSE selects mode; dedicated decoupling pins per channel ensure <0.5 LSB gain mismatch |
| AVDD / AVSS / DVDD / DVSS | Supply Rails | Separate analog (2.7–5.5 V) and digital (2.7–5.5 V) supplies; AVDD–DVDD ≤ 2.3 V required for safe operation |
Key Features
| Feature | Design Value |
|---|---|
| Dual matched ADC cores | ±0.5 LSB gain match and ±5 LSB offset match enable high-fidelity I/Q imbalance correction in zero-IF receivers |
| On-chip analog input buffers | Eliminate need for external op amps in >90% of applications, reducing BOM count and layout complexity |
| Programmable internal reference | 1 V or 2 V selection via REFSENSE pin allows optimization of SNR (2 V) or THD (1 V) without external components |
| Single 10-bit multiplexed output bus | Reduces digital interface pin count by 50% vs. dual independent buses, simplifying FPGA/CPLD connectivity |
| Low-power 3 V operation | 215 mW total consumption enables integration into battery-powered SDR platforms and handheld test equipment |
Applications
| Wireless Base Station Receiver | Software-Defined Radio (SDR) Front End |
|---|---|
Use Scenario: Digitizing I/Q downconverted RF signals from quadrature mixer in macrocell BTS. IC Role / Device Role / Timing Role: Dual-channel simultaneous sampling ADC capturing baseband I and Q streams at 20 MSPS for DSP-based demodulation. Use Value: Matched gain/offset and low crosstalk (68 dB) preserve constellation accuracy across wide instantaneous bandwidths. |
Use Scenario: High-dynamic-range digitization of tunable IF signals in field-programmable SDR transceivers. IC Role / Device Role / Timing Role: Primary ADC for reconfigurable front end, supporting multiple modulation schemes via FPGA-controlled SELECT timing. Use Value: Programmable 1 V/2 V reference and 20 MSPS rate allow adaptive trade-off between noise floor and distortion across frequency bands. |
| Medical Ultrasound Beamformer | Digital Video Acquisition System |
Use Scenario: Sampling echo return channels from phased-array transducers in portable ultrasound units. IC Role / Device Role / Timing Role: Dual ADC per receive path digitizing time-aligned analog beamformed signals with sub-ns aperture match. Use Value: 2 ps aperture delay match and 240 MHz small-signal bandwidth support high-resolution time-of-flight measurement. |
Use Scenario: Capturing composite NTSC/PAL video signals in broadcast-grade digitizers and test instruments. IC Role / Device Role / Timing Role: Simultaneous digitization of luminance (I) and chrominance (Q) components for accurate color space reconstruction. Use Value: Differential nonlinearity ≤ ±0.4 LSB and 0.1° differential phase error maintain broadcast video fidelity standards. |
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 pinout and I/Q architecture; lower power (125 mW), reduced SFDR (–65 dB) | Better suited for cost-sensitive, lower-dynamic-range applications like basic spectrum analyzers or audio digitizers | Select when 8-bit resolution suffices and PCB layout reuse is prioritized over SNR/SFDR performance |
| ADS5271IPFP | 12-bit, 40 MSPS, quad-channel; QFN-64 package; requires external reference and clock conditioning; higher power (620 mW) | Targets high-channel-count systems such as MIMO radar or multi-antenna SDR where density and resolution outweigh pin count | Choose when scaling beyond dual-channel or requiring ≥11 ENOB at >20 MSPS; not pin-compatible |
Compared with AD9201ARSRL, AD9281ARSZ offers identical mechanical and control interface compatibility but trades 2 bits of resolution and 8 dB SFDR for lower cost and power, while ADS5271IPFP delivers higher resolution and speed at the expense of package change, external support components, and increased thermal load.
Availability
AD9201ARSRL is available at Aetrix Electronics and suitable for wireless infrastructure, medical imaging, digital video acquisition, and software-defined radio applications requiring stable component supply and long-term industrial availability.
Supply support for AD9201ARSRL 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 AD9201ARSRL belongs to Analog Devices' precision high-speed ADC product line, engineered specifically for demanding I/Q sampling applications in communications, instrumentation, and imaging systems where channel matching and dynamic range are critical.
FAQ
What is the maximum input frequency supported by the AD9201ARSRL?
The AD9201ARSRL supports analog input signals up to 245 MHz full-power bandwidth (–3 dB point) and maintains usable performance through its 10 MHz Nyquist zone. At 3.58 MHz input frequency, it achieves 57.8 dB SNR and –73 dB SFDR-key metrics for baseband and low-IF sampling in communications systems. The device's high input bandwidth enables direct digitization of IF signals without additional downconversion stages.
Does the AD9201ARSRL require external analog input amplifiers?
No, the AD9201ARSRL does not require external analog input amplifiers in most applications due to its integrated high-impedance PMOS source-follower input buffers. These buffers provide 2 pF input capacitance and support both differential and single-ended signals across the full input voltage range (–0.5 V to AVDD/2). The AD9201ARSRL can be driven directly from passive antialias filters or transformer-coupled sources, significantly simplifying front-end design.
How is the reference voltage configured on the AD9201ARSRL?
The AD9201ARSRL reference voltage is configured via the REFSENSE pin: tying REFSENSE to VREF selects 1 V mode (optimized for THD), grounding REFSENSE to AVSS selects 2 V mode (optimized for SNR), connecting REFSENSE to AVDD disables the internal reference for external reference use, and using an external resistor divider on REFSENSE enables programmable reference levels from 0.7 V to 2.5 V. All modes retain the AD9201ARSRL's guaranteed performance specifications.
What is the purpose of the SELECT and CHIP-SELECT pins on the AD9201ARSRL?
The SELECT pin controls multiplexing between the I-channel and Q-channel digital outputs on the shared D0–D9 bus: high = I-channel data, low = Q-channel data. The CHIP-SELECT pin enables three-state output control: low = outputs active and driving the bus, high = all D0–D9 outputs placed in high-impedance state. Together, these pins allow the AD9201ARSRL to interface cleanly with single-data-bus processors or FPGAs while supporting time-division multiplexed I/Q data streaming.
Is the AD9201ARSRL pin-compatible with other devices in its family?
Yes, the AD9201ARSRL is pin-compatible with the AD9281ARS (dual 8-bit, 20 MSPS ADC) in the same 28-lead SSOP package, enabling resolution-scaling upgrades without PCB redesign. It also has functional synergy with the AD9761 dual DAC, forming a matched I/Q data converter pair. However, it is not pin-compatible with higher-resolution or higher-speed variants such as the AD9235 or ADS5271, which use different packages and pin assignments.
AD9201ARSRL 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:
- Obsolete
- 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:
- -
AD9201ARSRL FAQ
1.How can I place an order for AD9201ARSRL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9201ARSRL 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 AD9201ARSRL reliable?
The price and inventory of AD9201ARSRL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9201ARSRL is usually 5 days.
3.What payment methods are accepted for AD9201ARSRL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9201ARSRL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9201ARSRL?
AD9201ARSRL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9201ARSRL 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 AD9201ARSRL?
For technical support, including AD9201ARSRL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9201ARSRL requirements.
6.How does Aetrix verify that AD9201ARSRL is sourced from the original manufacturer or authorized distributors?
All AD9201ARSRL 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 AD9201ARSRL meets industry standards.
7.What is the process for return or replacement of AD9201ARSRL?
All AD9201ARSRL units undergo pre-shipment inspection (PSI). If there is an issue with AD9201ARSRL, 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 AD9201ARSRL part is unused and in its original packaging.
Return procedure for AD9201ARSRL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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