PCM1748

PCM1748 PCM 1748 SBAS165A – MAY 2001 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER FEATURES q 24-BIT RESOLUTION q ANALOG PERFORMANCE (VCC = +5V): Dynamic Range: 106dB typ (PCM1748KE) 100dB typ (PCM1748E) SNR: 106dB typ (PCM1748KE) 100dB typ (PCM1748E) THD+N: 0.002% typ (PCM1748KE) 0.003% typ (PCM1748E) Full-Scale Output: 3.1Vp-p typ q 8x OVERSAMPLING DIGITAL FILTER: Stopband Attenuation: –55dB Passband Ripple: ±0.03dB q SAMPLING FREQUENCY: 5kHz to 100kHz q SYSTEM CLOCK: 256, 384, 512, 768fS with Auto Detect q ACCEPTS 16-, 18-, 20-, AND 24-BIT AUDIO DATAzx q DATA FORMATS: Standard, I2S, and Left-Justified q USER-PROGRAMMABLE MODE CONTROLS: Digital Attenuation: 0dB to –63dB, 0.5dB/Step Digital De-Emphasis Digital Filter Roll-Off: Sharp or Slow Soft Mute Zero Flags for Each Output q DUAL-SUPPLY OPERATION: +5V Analog, +3.3V Digital q 5V TOLERANT DIGITAL INPUTS q SMALL SSOP-16 PACKAGE q SAME PACKAGE SIZE AS SOP-8 APPLICATIONS q A/V RECEIVERS q DVD MOVIE PLAYERS q DVD ADD-ON CARDS FOR HIGH-END PCs q HDTV RECEIVERS q CAR AUDIO SYSTEMS q OTHER MULTICHANNEL AUDIO SYSTEMS DESCRIPTION The PCM1748 is a CMOS, monolithic, integrated circuit which includes stereo Digital-to-Analog Converters (DACs) and support circuitry in a small SSOP-16 package. The data converters utilize Texas Instrument’s enhanced multilevel delta-sigma architecture that employs fourth-order noise shaping and 8-level amplitude quantization to achieve excellent dynamic pe...