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首 页 > 新闻动态 > 公司新闻 > 供应 PCM1742KEG4 TI SSOP16 音频数字 - 模拟转换器 供应 PCM1742KEG4 TI SSOP16 音频数字 - 模拟转换器FEATURES APPLICATIONS
DESCRIPTION PCM1742 SBAS176A–DECEMBER 2000–REVISED APRIL 2005 24-Bit, 192-kHz Sampling, Enhanced Multilevel, Delta-Sigma, Audio Digital-to-Analog Converter · 24-Bit Resolution · AV Receivers · Analog Performance (VCC = 5 V): · DVD Movie Players – Dynamic Range: · DVD Add-On Cards for High-End PCs · 106 dB, Typical (PCM1742KE) · DVD Audio Players · 100 dB, Typical (PCM1742E) · HDTV Receivers · Car Audio Systems – SNR: · Other Applications Requiring 24-Bit Audio · 106 dB, Typical (PCM1742KE) · 100 dB, Typical (PCM1742E) – THD+N: The PCM1742 is a CMOS, monolithic, integrated · 0.002%, Typical (PCM1742KE) circuit which includes stereo digital-to-analog con· 0.003%, Typical (PCM1742E) verters (DACs) and support circuitry in a small – Full-Scale Output: 3.1 V SSOP-16 package. The data converters use Texas p-p, Typical Instruments' enhanced multilevel delta-sigma archi- · 4x/8x Oversampling Digital Filter: tecture that employs fourth-order noise shaping and Stop-Band Attenuation: –55 dB 8-level amplitude quantization to achieve excellent Pass-Band Ripple: ±0.03 dB dynamic performance and improved tolerance to · Sampling Frequency: 5 kHz to 200 kHz clock jitter. The PCM1742 accepts industry-standard audio data formats with 16- to 24-bit data, providing · System Clock: 128 fS, 192 fS, 256 fS, 384 fS, easy interfacing to audio DSP and decoder chips. 512 fS, 768 fS With Autodetect Sampling rates up to 200 kHz are supported. A full · Accepts 16-, 18-, 20-, and 24-Bit Audio Data set of user-programmable functions is accessible · Data Formats: Standard, I2S, and through a 3-wire serial control port that supports Left-Justified register write functions. · 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 |
