UDA1330ATS/N2,118

ADCs/DACs - Special Purpose Overview

The UDA1330ATS is a low-cost stereo filter DAC from NXP Semiconductors, employing bitstream conversion techniques. It integrates a digital filter and a non-inverting Digital-to-Analog Converter (DAC), eliminating the need for external analog post-filtering. The device supports I2S-bus, MSB-justified, and LSB-justified data formats with word lengths up to 20 bits. Operating in slave mode only, it accepts sampling frequencies from 8 kHz to 55 kHz. Power supply voltages range from 2.7 V to 5.5 V for both analog and digital sections. Key features include digital logarithmic volume control, soft mute, and de-emphasis capabilities, controllable via an L3 microcontroller interface or static pins.

ADCs/DACs - Special Purpose Feature Summary

• Integrated digital filter and non-inverting DAC requiring no external analog post-filtering
• Supports I2S, MSB-justified, and LSB-justified input formats with up to 20-bit resolution
• Operates in slave mode with system clock options of 256fs, 384fs, or 512fs
• Includes digital logarithmic volume control, soft mute, and de-emphasis functions
• Compatible with UDA1320ATS pinout and function

ADCs/DACs - Special Purpose Applications

• PC audio applications
• Car radio applications

ADCs/DACs - Special Purpose Procurement Notes

Verify component authenticity through authorized NXP distributors or manufacturers. Confirm the specific ordering suffix matches project requirements, as suffixes may indicate packaging variations without altering electrical function. Check current product status, as this component may be subject to end-of-life notices or obsolescence. Ensure compliance with RoHS and REACH regulations relevant to the manufacturing date and region of deployment.

ADCs/DACs - Special Purpose Selection Notes

Select the UDA1330ATS for stereo audio applications requiring a cost-effective solution with integrated filtering. Choose L3 mode for full programmability of volume, mute, and de-emphasis, or static pin mode for simpler hardware designs where these features are fixed. Ensure the host processor can provide the required system clock frequencies (256fs, 384fs, or 512fs) and compatible digital data formats. Verify that the power supply voltage aligns with the 2.7 V to 5.5 V operating range.

ADCs/DACs - Special Purpose Part Context

The UDA1330ATS belongs to the UDA133 series of audio DACs from NXP Semiconductors. It is designed as a drop-in replacement for the UDA1320ATS in terms of pinout and functionality, though it is optimized for 5 V operation compared to the UDA1320ATS's 3 V design. This compatibility allows for easier migration in existing board designs while offering enhanced performance characteristics suitable for modern audio systems.

ADCs/DACs - Special Purpose Replacement Considerations

The UDA1330ATS is pin and function compatible with the UDA1320ATS. However, designers must account for the difference in optimal supply voltage ranges; the UDA1330ATS is designed for 5 V operation, whereas the UDA1320ATS is designed for 3 V. Direct substitution requires verifying that the target circuit's power supply and signal levels are compatible with the UDA1330ATS specifications.