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Analog Devices Inc. AD9203WARUZRL7
- Part No.:
- AD9203WARUZRL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
AD9203WARUZRL7.pdf
- Description:
- IC ADC 10BIT PIPELINED 28SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,849
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Product details
Overview
AD9203WARUZRL7 from Analog Devices is a 10-bit, 40 MSPS automotive-qualified analog-to-digital converter with on-chip adjustable voltage reference, 74 mW power dissipation at 3 V, and differential nonlinearity of ±0.25 LSB. It operates from 2.7 V to 3.6 V, supports IF undersampling up to 130 MHz, and delivers 9.55 ENOB at 20 MHz input - used in automotive radar signal digitization and ADAS sensor front-ends.
For engineers reviewing the AD9203WARUZRL7 datasheet, AD9203WARUZRL7 pinout, AD9203WARUZRL7 application, or AD9203WARUZRL7 equivalent, key selection criteria include its TSSOP-28 automotive qualification, programmable power-down mode (0.65 mW), out-of-range indicator (OTR), and support for both straight binary and twos-complement output formats via DFS control.
Technical Context
The AD9203WARUZRL7 employs a multistage differential pipeline architecture guaranteeing no missing codes across −40°C to +85°C. It features internal clamp circuitry for DC restoration and accepts differential or single-ended analog inputs (1–2 Vp-p) with 390 MHz input bandwidth and 1.2 ps rms aperture jitter.
Its dual-supply design separates analog (AVDD/AVSS) and digital (DRVDD/DRVSS) domains, with independent power control via PWRCON and STBY pins. The reference system supports internal 0.5 V or 1 V modes (selected by REFSENSE) and allows external reference coupling through REFTF/REFBF pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - defines quantization granularity for high-fidelity signal capture in automotive sensor interfaces. |
| Max Sampling Rate | 40 MSPS - enables Nyquist-limited digitization of baseband or IF signals up to 20 MHz. |
| ENOB @ 20 MHz | 9.55 bits - indicates effective dynamic range usable in noise-sensitive ADAS applications. |
| Power Dissipation | 74 mW at 40 MSPS / 0.65 mW in standby - supports thermal-constrained automotive ECUs. |
| Differential Nonlinearity | ±0.25 LSB - ensures monotonicity and minimal code-width variation over full temperature range. |
| Input Bandwidth | 390 MHz - permits direct sampling of wideband IF signals without external anti-alias filtering. |
| Aperture Jitter | 1.2 ps rms - limits SNR degradation at high input frequencies, critical for radar intermediate frequency digitization. |
Pinout & Package
AD9203WARUZRL7 is housed in a 28-lead TSSOP (RU-28) package per JEDEC MO-153-AE, with 0.65 mm pitch and 9.7 mm × 4.4 mm footprint. Pin 1 is marked by a dot; leads are coplanar within 0.10 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINP / AINN | Differential analog input pair | Accepts 1–2 Vp-p signal; enables rejection of common-mode noise in automotive EMI environments. |
| CLK | Master sampling clock input | Single-ended CMOS-compatible input controlling all conversion cycles; minimum rate 20 kHz. |
| D0–D9 | Parallel digital output bus | 10-bit straight binary or twos-complement data (selected by DFS); MSB = D9, LSB = D0. |
| OTR | Out-of-range flag | Active-high signal indicating overflow/underflow - used with D9 for signed saturation detection. |
| STBY | Power-down enable | HI asserts 0.65 mW standby mode; LO enables full-rate operation with 5.5-clock-cycle pipeline latency. |
| VREF / REFSENSE | Reference configuration interface | VREF outputs 0.5 V (REFSENSE = VREF) or 1 V (REFSENSE = GND); tolerance ±30 mV in 1 V mode. |
| CLAMP / CLAMPIN | DC restoration control | Enables internal clamping circuit for video-level signal conditioning in automotive camera interfaces. |
| 3-STATE | Output bus control | HI places D0–D9 in high-impedance state - allows shared data bus usage in multi-ADC systems. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | Qualified per AEC-Q100 Grade 2 (−40°C to +85°C) with controlled manufacturing and reliability reporting. |
| Programmable power scaling | External resistor on PWRCON reduces current draw at lower sample rates - e.g., 17 mW at 5 MSPS with 9.7 ENOB. |
| Dual-reference flexibility | On-chip 0.5 V / 1 V reference selectable via REFSENSE; external reference supported via REFTF/REFBF decoupling nodes. |
| IF undersampling capability | Valid operation up to fIN = 130 MHz - enables direct digitization of bandpass signals without downconversion. |
| Integrated clamp function | Internal DC restoration circuit activated by CLAMP/CLAMPIN - simplifies video signal interfacing in surround-view systems. |
Applications
| Radar Signal Digitization | Automotive Camera Interface |
|---|---|
Use Scenario: Digitizing IF outputs from 77 GHz radar transceivers in adaptive cruise control modules. IC Role / Device Role / Timing Role: High-speed ADC capturing 10–20 MHz IF bands with low jitter and high SFDR to preserve target resolution. Use Value: 390 MHz input bandwidth and 1.2 ps aperture jitter maintain SNR >57 dB at 20 MHz, enabling accurate time-of-flight calculation. |
Use Scenario: Converting analog video streams from rearview or surround-view cameras before encoding. IC Role / Device Role / Timing Role: ADC with integrated clamp circuit restoring DC level of composite video signals prior to digitization. Use Value: CLAMP/CLAMPIN terminals enable hardware-level DC restoration, eliminating need for external AC-coupling and bias networks. |
| ADAS Sensor Fusion Hub | Automotive Infotainment Audio Capture |
Use Scenario: Aggregating analog sensor data (e.g., ultrasonic parking sensors, IMU outputs) into centralized domain controller. IC Role / Device Role / Timing Role: Low-power, multi-channel-ready ADC providing synchronized sampling across heterogeneous sensor types. Use Value: 74 mW active power and 0.65 mW standby mode reduce thermal load in compact ECU enclosures while maintaining timing precision. |
Use Scenario: Capturing analog audio from microphone arrays or line-in sources in head unit systems. IC Role / Device Role / Timing Role: High-SNR ADC supporting wide dynamic range for voice recognition and noise cancellation algorithms. Use Value: 59.3 dB SINAD at 4.8 MHz and 9.6-bit ENOB ensure fidelity for far-field speech processing in noisy cabin environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9211BCPZ-40 | 11-bit, 40 MSPS, 105 mW, LFCSP-32 package, no clamp circuit | Higher resolution but larger footprint and no built-in DC restoration | Preferred when ENOB >9.55 is required and board space allows LFCSP; unsuitable for video clamp use cases. |
| MAX1198ETL+T | 10-bit, 40 MSPS, 65 mW, 24-pin TQFN, no automotive qualification or OTR pin | Lacks AEC-Q100 compliance and out-of-range flag - not approved for safety-critical ADAS functions | Applicable only in non-automotive industrial or consumer designs where automotive reliability is not mandated. |
Compared with AD9203WARUZRL7, AD9211BCPZ-40 trades clamp functionality and TSSOP compatibility for higher resolution, while MAX1198ETL+T offers lower power but omits automotive qualification and OTR monitoring - making AD9203WARUZRL7 uniquely suited for cost-sensitive, space-constrained automotive sensor front-ends requiring DC restoration and fault signaling.
Availability
AD9203WARUZRL7 is available at Aetrix Electronics and suitable for automotive radar modules, ADAS camera interfaces, sensor fusion ECUs, and infotainment audio capture systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD9203WARUZRL7 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.
The AD9203W product line delivers automotive-qualified, low-power, high-speed ADCs optimized for signal acquisition in radar, vision, and sensor subsystems where thermal efficiency, small footprint, and functional safety readiness are essential.
FAQ
What is the operating temperature range for the AD9203WARUZRL7?
The AD9203WARUZRL7 is specified for −40°C to +85°C and qualified per AEC-Q100 Grade 2 requirements. This range covers under-hood and cabin-mounted automotive applications including radar modules and camera ECUs. All electrical specifications in the datasheet - including ENOB, DNL, and power consumption - are guaranteed across this full industrial temperature span. The AD9203WARUZRL7 uses controlled manufacturing processes to ensure reliability under thermal cycling and vibration conditions typical of automotive deployments.
Does the AD9203WARUZRL7 support external reference configuration?
Yes, the AD9203WARUZRL7 supports both internal and external reference configurations. When REFSENSE is tied to GND, the internal 1 V reference is enabled at VREF; when REFSENSE connects to VREF, the internal 0.5 V reference activates. For external reference use, the device accepts a precision voltage applied to VREF while REFTF and REFBF serve as decoupling points. This flexibility allows designers to optimize dc accuracy and temperature drift based on system-level calibration requirements - a capability confirmed in the "Internal Reference" section of the AD9203W datasheet Rev. 0.
How does the power-down mode function on the AD9203WARUZRL7?
The AD9203WARUZRL7 enters power-down mode when the STBY pin is driven HIGH, reducing total power consumption to 0.65 mW. In this state, the analog front-end, reference, and digital core are disabled while retaining pin states and register settings. Recovery to full operation requires ~1 μs after STBY returns LOW. This feature is validated in the "Power-Down" row of Table 1 (Specs page 3), where 0.65 mW is measured at 3 V supply. The low standby power makes AD9203WARUZRL7 suitable for duty-cycled sensor systems in battery-powered ADAS nodes.
What is the purpose of the CLAMP and CLAMPIN pins on the AD9203WARUZRL7?
The CLAMP and CLAMPIN pins implement an integrated DC restoration circuit for video-level signal conditioning. When CLAMP is HIGH, the internal clamp switch engages, forcing the DC level of the AINP/AINN input pair to match the voltage present at CLAMPIN. This eliminates the need for external AC-coupling capacitors and bias resistors in automotive camera interfaces. The function is explicitly documented in the "Built-In Clamp Function" product highlight and Figure 1 block diagram, and is electrically verified in the "Functional Block Diagram" section of the AD9203W datasheet Rev. 0.
Can the AD9203WARUZRL7 be used for undersampling applications above Nyquist?
Yes, the AD9203WARUZRL7 supports IF undersampling up to fIN = 130 MHz, as stated in the "Features" and "General Description" sections. Its 390 MHz analog input bandwidth and 1.2 ps rms aperture jitter enable faithful digitization of bandpass signals centered well above the 20 MHz Nyquist limit of its 40 MSPS sampling rate. This capability is validated by dynamic performance data at 20 MHz input (Table 1), and the device maintains SFDR >67 dB even at that frequency - confirming robust alias rejection and harmonic suppression necessary for direct RF sampling in automotive radar receivers.
AD9203WARUZRL7 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:
- Active
- 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:
- Automotive
- Qualification:
- -
AD9203WARUZRL7 FAQ
1.How can I place an order for AD9203WARUZRL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9203WARUZRL7 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 AD9203WARUZRL7 reliable?
The price and inventory of AD9203WARUZRL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9203WARUZRL7 is usually 5 days.
3.What payment methods are accepted for AD9203WARUZRL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9203WARUZRL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9203WARUZRL7?
AD9203WARUZRL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9203WARUZRL7 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 AD9203WARUZRL7?
For technical support, including AD9203WARUZRL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9203WARUZRL7 requirements.
6.How does Aetrix verify that AD9203WARUZRL7 is sourced from the original manufacturer or authorized distributors?
All AD9203WARUZRL7 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 AD9203WARUZRL7 meets industry standards.
7.What is the process for return or replacement of AD9203WARUZRL7?
All AD9203WARUZRL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD9203WARUZRL7, 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 AD9203WARUZRL7 part is unused and in its original packaging.
Return procedure for AD9203WARUZRL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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