AD9481BSUZ-250

Analog To Digital Converters (ADC) Overview

The AD9481BSUZ-250 is an 8-bit, single-channel analog-to-digital converter (ADC) from Analog Devices. It operates at a maximum sampling rate of 250 MSPS with a pipeline architecture. The device requires a single 3.3 V supply for both analog and digital sections. Key electrical parameters include a signal-to-noise ratio (SNR) of 46 dB at 19.7 MHz input frequency, differential nonlinearity (DNL) of ±0.35 LSB typical, and integral nonlinearity (INL) of ±0.26 LSB typical. Power dissipation is 439 mW at full speed, reducible to 15 mW in power-down mode. It features TTL/CMOS-compatible outputs and accepts differential or single-ended analog inputs.

Analog To Digital Converters (ADC) Feature Summary

• Integrated internal voltage reference and track-and-hold circuit minimize external component requirements.
• De-multiplexed CMOS output interface simplifies connection to FPGAs and standard logic.
• Power-down mode significantly reduces total power consumption when the device is idle.
• Built-in clock duty cycle stabilizer ensures consistent performance across varying clock signals.

Analog To Digital Converters (ADC) Applications

• Digital oscilloscopes
• Instrumentation and measurement systems
• Communications equipment
• Point-to-point radio systems

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'SUZ' indicates lead-free packaging and RoHS compliance as per manufacturer standards. Confirm the '-250' designation matches the required 250 MSPS conversion rate. Ensure the TQFP-44 package type aligns with your PCB footprint design. Check for any humidity sensitivity level (MSL) requirements during storage and reflow soldering processes.

Analog To Digital Converters (ADC) Selection Notes

Select this component when high-speed data acquisition is needed with low power constraints. The 8-bit resolution suits applications where cost-effective digitization is prioritized over ultra-high precision. The CMOS output eliminates the need for LVDS drivers, reducing system complexity. Consider the 750 MHz analog bandwidth for wideband signal capture capabilities.

Analog To Digital Converters (ADC) Part Context

This part belongs to the AD9481 series of high-speed ADCs designed for optimized performance in compact form factors. It shares architectural similarities with other members like the AD9480 but differs in output interface type. The series targets industrial temperature ranges and offers flexibility through programmable reference configurations.

Analog To Digital Converters (ADC) Replacement Considerations

The AD9480 serves as a functional alternative if LVDS outputs are preferred over CMOS. Verify pin compatibility and software configuration differences before substitution. Other family members may offer higher resolutions or speeds but typically consume more power.