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.