The PCM1742 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 use Texas Instruments" enhanced multilevel delta-sigma architecture that employs fourth-order noise shaping and 8-level amplitude quantization to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1742 accepts industry-standard audio data formats with 16- to 24-bit data, providing easy interfacing to audio DSP and decoder chips. Sampling rates up to 200 kHz are supported. A full set of user-programmable functions is accessible through a 3-wire serial control port that supports register write functions.
● 24-Bit Resolution
● Analog Performance (VCC = 5 V):
● Dynamic Range:
● 106 dB, Typical (PCM1742KE)
● 100 dB, Typical (PCM1742E)
● SNR:
● 106 dB, Typical (PCM1742KE)
● 100 dB, Typical (PCM1742E)
● THD+N:
● 0.002%, Typical (PCM1742KE)
● 0.003%, Typical (PCM1742E)
● Full-Scale Output: 3.1 Vp-p, Typical
● 4x/8x Oversampling Digital Filter:
●Stop-Band Attenuation: -55 dB
●Pass-Band Ripple: ±0.03 dB
● Sampling Frequency: 5 kHz to 200 kHz
● System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, 768 fS With Autodetect
● Accepts 16-, 18-, 20-, and 24-Bit Audio Data
● Data Formats: Standard, I2S, and Left-Justified
● User-Programmable Mode Controls:
●Digital Attenuation: 0 dB to -63 dB, 0.5 dB/Step
●Digital De-Emphasis
●Digital Filter Rolloff: Sharp or Slow
●Soft Mute
●Zero Flags for Each Output
● Dual-Supply Operation: 5-V Analog, 3.3-V Digital
● 5-V Tolerant Digital Inputs
● Small SSOP-16 Package
● APPLICATIONS
● AV Receivers
● DVD Movie Players
● DVD Add-On Cards for High-End PCs
● DVD Audio Players
● HDTV Receivers
● Car Audio Systems
● Other Applications Requiring 24-Bit Audio
●All other trademarks are the property of their respective owners
