ADS8406IBPFBR

Analog To Digital Converters (ADC) Overview

The ADS8406IBPFBR is a 16-bit, 1.25 MSPS analog-to-digital converter (ADC) manufactured by Texas Instruments. It utilizes a successive approximation register (SAR) architecture with an internal 4.096 V reference. The device supports pseudo-differential or single-ended inputs and features a parallel interface. Operating temperatures range from -40°C to +85°C. Key electrical parameters include a typical power consumption of 155 mW, an input capacitance of 25 pF, and a maximum input leakage current of 0.5 nA. Differential nonlinearity (DNL) is specified as -1/+1.25 LSB, while integral nonlinearity (INL) is ±2 LSB. At a 100 kHz input frequency, the signal-to-noise ratio (SNR) reaches 90 dB with total harmonic distortion (THD) of -95 dB.

Analog To Digital Converters (ADC) Feature Summary

• Integrated 4.096 V internal voltage reference eliminates the need for external components.
• Capacitive SAR architecture provides inherent sample-and-hold functionality.
• Flexible data output options including full 16-bit or two-cycle 8-bit reads.

Analog To Digital Converters (ADC) Applications

• Dense wavelength division multiplexing (DWDM) systems
• High-precision instrumentation such as oscilloscopes
• Spectrum analyzers

Analog To Digital Converters (ADC) Procurement Notes

Verify the suffix 'BR' indicates tape-and-reel packaging when sourcing. Confirm the internal reference voltage specification matches system requirements. Ensure the TQFP-48 package dimensions align with PCB layout constraints. Check humidity sensitivity levels for proper storage handling.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring high resolution and moderate sampling speeds. The integrated reference simplifies design complexity compared to external reference solutions. Verify that the parallel interface timing meets the host processor's capabilities. Consider the 155 mW power dissipation for thermal management in enclosed environments.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS8405/ADS8406 family of high-performance ADCs. It shares architectural similarities with the ADS8405 but includes an internal reference, whereas the ADS8405 typically requires an external one. Both devices offer 16-bit resolution and 1.25 MSPS throughput in a 48-pin TQFP package.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS8405IBPFBT serves as a related alternative within the same series. Note that the ADS8405 lacks the internal 4.096 V reference found in the ADS8406, requiring external reference circuitry if used as a substitute.