AD1933 is a high performance, single chip that provides eight digital-to-analog converters (DACs) that support 8 kHz to 192 kHz sample rates, with a 110 dB dynamic range and SNR -96 dB THD + N, 3.3 V single supply, and software controllable switching and mute functions.
The AD1933 is an 8‑channel, differential‑output DAC with a 3.3 V single‑supply design, qualified for automotive use. It offers a PLL‑generated or direct master clock, low‑EMI architecture, and software‑controllable volume, mute, and power‑down functions.
The document includes detailed specifications such as dynamic range, total harmonic distortion, supply requirements, pin configurations, timing diagrams, and absolute maximum ratings, along with application notes for automotive audio, home theater, set‑top boxes, and digital audio processors.
| Full‑Scale Output Voltage | 1.76 Vrms (4.96 V p‑p) |
|---|---|
| Supply Voltage DVDD | 3.0 V – 3.6 V |
| High Level Input Voltage (VIX) | 2.0 V |
| Operating Temperature Range (case) | -40 °C to +125 °C |
The DVDD supply voltage can be between 3.0 V and 3.6 V.
It is guaranteed to function from –40 °C up to +125 °C case temperature.
The device contains eight differential DAC channels.