AD1954 SigmaDSP™ 3-Channel, 26-Bit Signal Processing DAC is a 5 V 3-Channel Audio DAC System from Analog Devices. It supports sample rates up to 48 kHz and provides 7 Biquad Filter Sections per Channel, Dual Dynamic Processor with Arbitrary Input/Output Curve and Adjustable Time Constants.
The AD1954 is a complete 26-bit single-chip 3-channel digital audio playback system featuring built-in DSP functionality. It supports sample rates up to 48 kHz and includes seven biquad filter sections per channel, dual dynamic processors, and arbitrary input/output curve capabilities. The device is designed for applications such as 2.0/2.1 channel audio systems, multimedia, automotive sound systems, and home theater systems.
| Resolution | 24 Bits |
|---|---|
| Signal-to-Noise Ratio (Stereo) | 112 dB |
| Sample Rate | up to 48 kHz |
| Filter Sections per Channel | 7 Biquad |
| Supply Voltage | 5.0V |
| Analog Current | 48 mA |
| Digital Current | 75 mA |
| Operating Temperature | -40 to +105 °C |
The device accepts sample rates up to 48 kHz.
The differential output range is 2.74 Vp-p for the left and right outputs.
The voltage for both analog and digital supplies is 5 V.