FEATURES
· 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
· 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 ampli·
Data Formats: Standard, I2S, and
Left-Justified
· System Clock: 128 f S, 192 fS, 256 fS, 384 fS,
512 f S, 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

DESCRIPTION
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 ampli·
tude 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.