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Analog Devices Inc. AD9203ARURL7
- Part No.:
- AD9203ARURL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
AD9203ARURL7.pdf
- Description:
- IC ADC 10BIT PIPELINED 28TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,739
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Product details
Overview
AD9203ARURL7 from Analog Devices is a monolithic 10-bit, 40 MSPS CMOS analog-to-digital converter with on-chip voltage reference, differential pipeline architecture, and programmable power control. It delivers 9.55 ENOB at 20 MHz input, supports 1–2 Vp-p differential or single-ended inputs, and operates from 2.7 V to 3.6 V supply. It is used in IF undersampling, portable instrumentation, and medical ultrasound signal digitization.
For engineers reviewing the AD9203ARURL7 datasheet, AD9203ARURL7 pinout, AD9203ARURL7 application, or AD9203ARURL7 equivalent, key selection considerations include its 74 mW power at 40 MSPS, 390 MHz input bandwidth, out-of-range (OTR) flag, adjustable internal reference (0.5 V or 1 V), and TSSOP-28 package compatibility with high-density PCB layouts.
Technical Context
The AD9203ARURL7 employs a multistage differential pipeline architecture with built-in digital correction logic to guarantee no missing codes across −40°C to +85°C. Its input stage merges sample-and-hold and first-stage residue amplification into a single switched-capacitor circuit, reducing noise and power versus conventional implementations.
It supports dual-reference modes: internal 0.5 V or 1 V (selected via REFSENSE), or external reference (via REFSENSE = AVDD). The CLAMP/CLAMPIN pins enable dc restoration for video signals in single-ended mode only, while DFS selects straight binary or twos-complement output format.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - guarantees full-scale quantization with 1024 discrete levels and no missing codes over temperature. |
| Max Sample Rate | 40 MSPS - enables direct digitization of IF signals up to 130 MHz using undersampling techniques. |
| ENOB @ 20 MHz | 9.55 bits - indicates effective dynamic resolution for sine-wave inputs, supporting >57 dB SINAD in communications receivers. |
| Power @ 40 MSPS | 74 mW at 3 V - low-power operation suitable for battery-powered portable instrumentation and handheld ultrasound systems. |
| Input Bandwidth | 390 MHz (−3 dB) - allows faithful capture of wideband RF/IF signals without external anti-alias filtering degradation. |
| Differential Nonlinearity | ±0.25 LSB - ensures monotonic transfer function critical for closed-loop control and precision measurement applications. |
| Aperture Jitter | 1.2 ps rms - limits sampling-time uncertainty, preserving SNR performance at high input frequencies. |
Pinout & Package
The AD9203ARURL7 is housed in a 28-lead TSSOP package (JEDEC MO-153, 4.4 mm × 9.7 mm body, 0.65 mm pitch), optimized for thermal dissipation (θJA = 97.9°C/W) and high-density layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINP / AINN | Differential analog input pair | Accepts 1–2 Vp-p differential or single-ended signals; common-mode voltage set by internal/external reference. |
| VREF / REFSENSE | Reference configuration interface | REFSENSE grounded → 1 V reference; tied to VREF → 0.5 V reference; tied to AVDD → external reference mode. |
| CLK | Master sampling clock input | Sampling occurs on falling edge; supports rates from 20 kHz to 40 MSPS with 50% duty cycle requirement. |
| D0–D9 | Parallel digital output bus | 10-bit straight binary (DFS = LO) or twos-complement (DFS = HI); outputs are 3-state controllable via 3-STATE pin. |
| OTR | Out-of-range indicator | Active-high flag signaling overflow/underflow; used with MSB to distinguish over- vs. underrange conditions. |
| STBY | Power-down control | HI → standby mode consuming only 0.65 mW; enables rapid wake-up for burst-mode acquisition. |
| CLAMP / CLAMPIN | Internal dc clamp control | Enables video-signal dc restoration in single-ended mode only; CLAMPIN provides timing reference for clamp switch closure. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable power consumption | External resistor on PWRCON reduces current draw at lower sample rates-e.g., 17 mW at 5 MSPS while retaining 9.7 ENOB. |
| Built-in dc clamp | On-chip switch and control logic eliminate need for external clamping circuitry in NTSC/PAL video digitization. |
| Adjustable on-chip reference | 0.5 V or 1 V internal reference selectable via REFSENSE; supports 1 V or 2 Vp-p input spans without external components. |
| IF undersampling capability | Valid operation up to fIN = 130 MHz - enables direct digitization of intermediate frequencies in cable modem and SDR front ends. |
| No missing codes guarantee | Specified over full industrial temperature range (−40°C to +85°C) - ensures deterministic behavior in safety-critical embedded systems. |
Applications
| Cable Modem Upstream Channel Digitization | Portable Ultrasound Beamforming |
|---|---|
Use Scenario: Digitizing upstream QAM signals centered at 20–65 MHz with 6–8 MHz bandwidth in DOCSIS-compliant modems. IC Role / Device Role / Timing Role: ADC front-end capturing IF samples for digital demodulation and FEC decoding; requires low jitter and high SFDR. Use Value: 67.8 dB SFDR at 20 MHz input and 390 MHz input bandwidth enable clean capture of adjacent channel interference without analog pre-filtering. | Use Scenario: Real-time sampling of echo return signals from piezoelectric transducers in handheld ultrasound probes. IC Role / Device Role / Timing Role: High-fidelity analog front-end digitizer in multi-channel beamformer ASIC subsystems; synchronized to pulsed excitation timing. Use Value: 9.55 ENOB and 57.2 dB SINAD at 20 MHz support accurate time-of-flight estimation for sub-millimeter spatial resolution. |
| CCD Imaging Signal Acquisition | Video Signal Digitization (NTSC/PAL) |
Use Scenario: Converting analog pixel output from linear CCD sensors in industrial inspection cameras and document scanners. IC Role / Device Role / Timing Role: Precision digitizer interfacing directly to CCD output amplifier; driven by precise line-rate clock. Use Value: ±0.25 LSB DNL and guaranteed no missing codes ensure accurate grayscale representation across full 10-bit dynamic range. | Use Scenario: Capturing baseband composite video (NTSC/PAL) for real-time encoding or analysis in portable media devices. IC Role / Device Role / Timing Role: Video ADC with integrated dc clamp restoring black level; operates in single-ended mode with CLAMP/CLAMPIN control. Use Value: On-chip clamp eliminates external diode-capacitor network, reducing BOM count and improving temperature stability of black-level reference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 10-bit, 40 MSPS ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS5270IPFP | 10-bit, 40 MSPS, but uses LVDS outputs and requires 3.3 V analog/digital supplies; higher power (125 mW). | Designed for multi-channel synchronous sampling; includes JESD204B-compatible serialization not present in AD9203ARURL7. | Select when system requires serialized data transport or tighter inter-channel skew control. |
| MAX1186ETL+ | 10-bit, 40 MSPS, but uses 1.8 V digital I/O and lacks internal reference or clamp; smaller 32-pin QFN package. | Optimized for ultra-low-power portable designs; no OTR flag or programmable reference-requires external reference and overflow detection logic. | Select when board space is constrained and external reference/clamp circuitry is already available. |
Compared with ADS5270IPFP and MAX1186ETL+, the AD9203ARURL7 offers unique integration of internal reference, out-of-range flag, and dc clamp-reducing external component count and simplifying layout for cost-sensitive, single-channel IF/baseband digitization.
Availability
AD9203ARURL7 is available at Aetrix Electronics and suitable for cable modems, portable ultrasound systems, CCD imaging modules, and video digitization equipment requiring stable component supply and long-term industrial temperature support.
Supply support for AD9203ARURL7 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 AD9203ARURL7 belongs to Analog Devices' precision high-speed ADC product line, designed specifically for low-power, medium-resolution digitization in portable, medical, and communications equipment where integration, power efficiency, and ease of use are prioritized over ultra-high speed or resolution.
FAQ
What is the operating temperature range specified for the AD9203ARURL7?
The AD9203ARURL7 is specified for industrial temperature operation from −40°C to +85°C. This range is guaranteed for all electrical parameters including ENOB, DNL, INL, and power consumption. The device's no-missing-codes guarantee and reference voltage stability (±30 mV at 1 V mode) are validated across this full range, making AD9203ARURL7 suitable for deployment in outdoor infrastructure, portable medical devices, and factory-floor instrumentation without derating.
Does the AD9203ARURL7 support external reference voltage sources?
Yes, the AD9203ARURL7 supports external reference operation. When the REFSENSE pin is tied to AVDD, the internal reference amplifier is disabled and the device accepts an external reference applied to the VREF pin. The internal reference buffer presents a 10 kΩ load to the external source and generates complementary REFTF/REFBF voltages for the ADC core. This mode is used when tighter initial accuracy (<±0.5%) or lower temperature drift is required-common in metrology-grade portable instrumentation where AD9203ARURL7 serves as the primary digitizer.
How does the power-down (STBY) mode affect wake-up latency in the AD9203ARURL7?
In STBY mode (STBY = HIGH), the AD9203ARURL7 reduces power to 0.65 mW and halts conversion. Wake-up latency depends on reference stabilization time: with 10 µF decoupling on VREF, typical wake-up time is <100 µs for 1 V reference and <50 µs for 0.5 V reference, as verified in Figure 17 of the datasheet. This fast recovery enables burst-mode acquisition in battery-powered AD9203ARURL7 applications such as handheld ultrasound or event-triggered sensor logging.
Can the AD9203ARURL7 be used for differential input signals above Nyquist frequency?
Yes, the AD9203ARURL7 supports IF undersampling of differential inputs up to fIN = 130 MHz, well above its Nyquist frequency of 20 MHz (at 40 MSPS). Its 390 MHz analog input bandwidth and pipeline architecture preserve signal integrity during bandpass sampling. This capability is explicitly validated in the datasheet and enables direct digitization of cable modem upstream channels or SDR receiver IF stages without analog downconversion-making AD9203ARURL7 a key component in compact, low-component-count radio front ends.
What digital output formats does the AD9203ARURL7 support, and how are they selected?
The AD9203ARURL7 supports two parallel digital output formats: straight binary (default) and twos-complement. Selection is controlled by the DFS pin: logic LOW configures straight binary (0x000–0x3FF for 0–1023), while logic HIGH enables twos-complement (0x000–0x1FF for 0–511, 0x200–0x3FF for −512 to −1). Output drivers are CMOS-compatible, support 3-state control via the 3-STATE pin, and meet VOH ≥ 2.8 V / VOL ≤ 0.3 V at 3 V DRVDD-ensuring reliable interfacing to FPGAs and microcontrollers in AD9203ARURL7-based systems.
AD9203ARURL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 28-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Number of Bits:
- 10
- 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:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 2.7V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 28-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9203ARURL7 FAQ
1.How can I place an order for AD9203ARURL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9203ARURL7 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 AD9203ARURL7 reliable?
The price and inventory of AD9203ARURL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9203ARURL7 is usually 5 days.
3.What payment methods are accepted for AD9203ARURL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9203ARURL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9203ARURL7?
AD9203ARURL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9203ARURL7 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 AD9203ARURL7?
For technical support, including AD9203ARURL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9203ARURL7 requirements.
6.How does Aetrix verify that AD9203ARURL7 is sourced from the original manufacturer or authorized distributors?
All AD9203ARURL7 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 AD9203ARURL7 meets industry standards.
7.What is the process for return or replacement of AD9203ARURL7?
All AD9203ARURL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD9203ARURL7, 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 AD9203ARURL7 part is unused and in its original packaging.
Return procedure for AD9203ARURL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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