AD9433BSQ-105

Analog To Digital Converters (ADC) Overview

The AD9433BSQ-105 is a 12-bit monolithic sampling analog-to-digital converter (ADC) with an on-chip track-and-hold circuit. It operates at a conversion rate of up to 105 MSPS and is optimized for wideband and high IF carrier systems. The device requires a 5.0 V analog supply and supports 2.5 V to 3.3 V TTL/CMOS digital outputs. Key specifications include a 750 MHz full power analog bandwidth, 67.5 dB SNR at Nyquist frequency, and 83 dBc SFDR at 70 MHz input. It features user-selectable offset binary or two's complement data formats and includes an internal reference voltage.

Analog To Digital Converters (ADC) Feature Summary

• On-chip clock duty cycle stabilization ensures accurate sampling timing without external components.
• Integrated SFDR optimization circuit improves spurious-free dynamic range performance across varying input frequencies.
• Supports both two's complement and offset binary output coding formats for flexible system integration.
• Includes an internal voltage reference and track-and-hold circuit to simplify board design.

Analog To Digital Converters (ADC) Applications

• Cellular infrastructure communication systems
• 3G single- and multicarrier receivers
• IF sampling schemes in wideband carrier frequency systems
• Point-to-point radios and wireless broadband applications

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'SQ' against the manufacturer's official ordering guide to confirm package type and temperature rating. Ensure the component matches the Rev. A datasheet specifications. Confirm that the 52-lead TQFP_EP package requirements are met during procurement planning.

Analog To Digital Converters (ADC) Selection Notes

Select this model when a 105 MSPS sampling rate is required for high-performance IF sampling applications. Consider the AD9433BSQ-125 variant if a higher 125 MSPS conversion rate is needed for the same pinout. Verify that the 5 V analog supply and differential encode clock inputs align with the system power and clocking architecture.

Analog To Digital Converters (ADC) Part Context

The AD9433 is part of Analog Devices' high-speed ADC portfolio designed for ease of use in complex signal processing environments. It is fabricated using an advanced BiCMOS process technology. The device is pin-compatible with the AD9432, allowing for direct upgrades in existing designs requiring higher sampling rates.

Analog To Digital Converters (ADC) Replacement Considerations

The AD9432 is a pin-compatible alternative offering 80 MSPS/105 MSPS operation. Designers replacing the AD9432 with the AD9433 should verify that the system can accommodate the AD9433's specific power dissipation and clocking requirements.