(China (Mainland))
Product Summary
The PCM1755DBQR is a 24-bit, 192 khz sampling enhanced multi-level, delta-sigma, audio digital-to-analog converter. It includes stereo digital-to-analog converters and support circuitry in a small 16-lead SSOP package. The data converters use TI’s enhanced multilevel delta-sigma architecture, which employs 4th-order noise shaping and 8-level amplitude quantization to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1755DBQR accepts industrystandard audio data formats with 16- to 24-bit data, providing easy interfacing to audio DSP and decoder chips. The applications of the PCM1755DBQR include: A/V 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.
Parametrics
PCM1755DBQR absolute maximum ratings: (1)Supply voltage: VCC: –0.3 V to 6.5 V; (2)Ground voltage differences: AGND, DGND: ±0.1 V; (3)Input voltage: –0.3 V to 6.5 V; (4)Input current (any pins except supplies): ±10 mA; (5)Ambient temperature under bias: –40℃ to 125℃; (6)Storage temperature: –55℃ to 150℃; (7)Junction temperature: 150℃; (8)Lead temperature (soldering): 260℃, 5 s; (9)Package temperature (IR reflow, peak): 260℃.
Features
PCM1755DBQR features: (1)24-Bit Resolution; (2)Analog Performance (VCC = 5 V): Dynamic Range: 106 dB, SNR: 106 dB, Typical, THD+N: 0.002%, Typical, Full-Scale Output: 4 V p-p, Typical; (3)4×/8× Oversampling Digital Filter: Stop-Band Attenuation: –50 dB, Pass-Band Ripple: ±0.04 dB; (4)Sampling Frequency: 5 kHz to 200 kHz; (5)System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, 768 fS, 1152 fS With Auto Detect; (6)Software Control; (7)Power Supply: 5-V Single Supply; (8)Small 16-Lead SSOP Package, Lead-Free.
Diagrams
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 PCM1755DBQR |
Texas Instruments |
Audio D/A Converter ICs PCM175x: 24-Bit Multi 192kHz Samp |
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PCM1755DBQRG4 |
Texas Instruments |
Audio D/A Converter ICs PCM175x: 24-Bit Multi 192kHz Samp |
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