HT82V738 is a high performance audio DAC converter. It provides digital de-emphasis (32, 44.1 and 48kHz), external mute control and adjustment for serial data and clock. It can accept data at audio rates up to 96kHz. It performs within a wide dynamic range, high SNR ratio and has low clock jitter sensitivity. HT82V738 is an ideal DAC for DVD players, MP3 players and set-top box systems. It is also pin-compatible with CS4340.
The HT82V738 is a high‑performance 24‑bit stereo audio D/A converter from Holtek. It supports digital de‑emphasis for 32, 44.1 and 48 kHz, low power consumption, low distortion, and a wide temperature range. Typical applications include DVD players, home‑theater systems, digital TV, set‑top boxes, MP3 players, CD players, and automotive systems.
The datasheet details the pin assignment, electrical and analog characteristics, timing diagrams, and package dimensions. Key specifications such as supply voltage range, operating temperature, dynamic range, and output voltage are listed, along with tape‑and‑reel and carrier‑tape dimensions for manufacturing.
| Supply Voltage Range | Vgg‑0.3 V to VEE+6.0 V |
|---|---|
| Operating Temperature | -10 °C to 70 °C |
| Dynamic Range (18‑24 bit, A‑weighted) | 95 dB |
| Full Scale Output Voltage | 0.7 V p‑p |
| Package Type | 16‑pin NSOP |
The device operates from Vgg‑0.3 V up to VEE+6.0 V.
It accepts audio data rates up to 96 kHz.
The converter is supplied in a 16‑pin NSOP package.
On‑chip digital de‑emphasis is provided for 32 kHz, 44.1 kHz and 48 kHz.