AD9203ARURL7

Overview

The AD9203ARURL7 is a monolithic, low-power, single-supply 10-bit analog-to-digital converter manufactured by Analog Devices Inc. It operates at a maximum sampling rate of 40 MSPS with a power dissipation of 74 mW on a 3 V supply. The device features a multistage differential pipeline architecture and guarantees no missing codes across the full operating temperature range. It includes an onboard programmable voltage reference that can be adjusted between 0.5 V and 1 V, or bypassed for external reference operation. The input span is adjustable from 1 V to 2 V peak-to-peak in either differential or single-ended configurations. Power consumption can be further reduced via an external resistor at lower sample rates.

Feature Summary

• Multistage differential pipeline architecture ensures high-speed conversion without missing codes.
• Onboard programmable voltage reference allows flexible input span adjustment.
• Built-in clamp function enables DC restoration for video signal applications.
• Adjustable power consumption capability through external resistance control.

Applications

• CCD imaging systems
• Video processing equipment
• Portable instrumentation devices
• IF and baseband communications
• Cable modems
• Medical ultrasound

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet revision to ensure compatibility with required packaging and environmental specifications. Confirm that the component meets RoHS compliance standards relevant to your manufacturing region. Cross-reference the part number with official distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring a balance between moderate resolution and high-speed data acquisition under strict power constraints. The adjustable internal reference simplifies biasing requirements compared to designs needing external precision references. Ensure the driving circuitry can charge the switched-capacitor input network within half a clock cycle to maintain specified linearity performance.

Part Context

This component belongs to the AD9203 family of high-performance ADCs designed for portable and battery-operated applications. It utilizes CMOS technology to achieve significant power savings while maintaining dynamic performance metrics suitable for IF undersampling up to 130 MHz. The device is housed in a compact 28-lead TSSOP package, facilitating integration into space-constrained printed circuit board layouts.

Replacement Considerations

Direct pin-compatible replacements are not explicitly documented in the provided source material. When evaluating alternative components, verify that the substitute maintains the same 10-bit resolution, 40 MSPS sampling rate, and 28-lead TSSOP package footprint to ensure mechanical and electrical interchangeability.