PCM1608
105dB SNR 8-Channel Audio DAC
PCM1608
- 24-Bit Resolution
- Analog Performance:
- Dynamic Range:
- 100 dB, Typical (PCM1608Y)
- 105 dB, Typical (PCM1608KY)
- SNR:
- 100 dB, Typical (PCM1608Y)
- 105 dB, Typical (PCM1608KY)
- THD+N:
- 0.003%, Typical (PCM1608Y)
- 0.002%, Typical (PCM1608KY)
- Full-Scale Output: 3.1 Vp-p, Typical
- Dynamic Range:
- 4×/8× Oversampling Interpolation Filter:
- Stop-Band Attenuation: -55 dB
- Pass-Band Ripple: ±0.03 dB
- Sampling Frequency:
- 5 kHz to 200 kHz (Channels 1, 2, 7, and 8)
- 5 kHz to 100 kHz (Channels 3, 4, 5, and 6)
- Accepts 16-, 18-, 20-, and 24-Bit Audio Data
- Data Formats: Standard, I2S, and Left-Justified
- System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, or 768 fS
- User-Programmable Functions:
- Digital Attenuation: 0 dB to -63 dB, 0.5 dB/Step
- Soft Mute
- Zero Flags Can Be Used As General-Purpose Logic Output
- Digital De-Emphasis
- Digital Filter Rolloff: Sharp or Slow
- Dual-Supply Operation:
- 5-V Analog
- 3.3-V Digital
- 5-V Tolerant Digital Logic Inputs
- Package: LQFP-48
- APPLICATIONS
- Integrated A/V Receivers
- DVD Movie and Audio Players
- HDTV Receivers
- Car Audio Systems
- DVD Add-On Cards for High-End PCs
- Digital Audio Workstations
- Other Multichannel Audio Systems
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The PCM1608 is a CMOS, monolithic integrated circuit that features eight 24-bit audio digital-to-analog converters (DACs) and support circuitry in a small LQFP-48 package. The DACs use Texas Instruments' enhanced multilevel, delta-sigma architecture that employs fourth-order noise shaping and 8-level amplitude quantization to achieve excellent signal-to-noise performance and a high tolerance to clock jitter.
The PCM1608 accepts industry-standard audio data formats with 16- to 24-bit audio data. Sampling rates up to 200 kHz (channels 1, 2, 7, and 8) or 100 kHz (channels 3, 4, 5, and 6) are supported. A full set of user-programmable functions is accessible through a 4-wire serial control port that supports register write and read functions.
Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | 24-Bit 192kHz Sampling 8-Ch Enhan. Multilevel Delta-Sigma D/A Converter datasheet (Rev. B) | 19 Jul 2005 | |
Application note | Out-of-Band Noise and Filtering for PCM DAC | 20 May 2005 |
Design & development
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PSPICE-FOR-TI — PSpice® for TI design and simulation tool
Package | Pins | Download |
---|---|---|
LQFP (PT) | 48 | View options |
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