AD1987 is an audio decoder chip released by Analog Devices, supporting 7.1 surround sound output, supporting 8kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz and 192 kHz sampling rates, supporting 16-, 20-, and 24-bit PCM resolution, and supporting independent headphone outputs.
The AD1987 is an audio codec designed for desktop PCs, featuring eight 192 kHz DACs and four 96 kHz ADCs. It supports Microsoft Vista Premium performance with superior HD audio quality, including impedance detection on all jacks and retaskable ports for various surround sound configurations.
| DACs Quantity | Eight 192 kHz DACs |
|---|---|
| ADCs Quantity | Four 96 kHz ADCs |
| DAC Resolution | 24 Bits |
| ADC Resolution | 24 Bits |
| Line Out Dynamic Range | 95 dB |
| Package Type | 48-lead LFCSP_VQ |
The AD1987 features four ADCs with a resolution of up to 24 bits.
The product includes three stereo headphone ports for audio output.