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PCM2900BDB Datasheet(PDF) 5 Page - Texas Instruments |
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PCM2900BDB Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 34 page  PCM2900B PCM2902B www.ti.com ........................................................................................................................................................................................... SLES229 – DECEMBER 2008 ELECTRICAL CHARACTERISTICS (continued) All specifications at TA = +25°C, VBUS = 5 V, fS = 44.1 kHz, fIN = 1 kHz, and 16-bit data, unless otherwise noted. PCM2900B, PCM2902B PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DAC CHARACTERISTICS Resolution 8, 16 Bits Audio data channel 1, 2 Channel DAC Clock Frequency fS Sampling frequency 32, 44.1, 48 kHz DAC DC Accuracy % of Gain mismatch channel-to-channel ±1 ±5 FSR % of Gain error ±2 ±10 FSR % of Bipolar zero error ±2 FSR DAC Dynamic Performance(4) VOUT = 0 dB 0.005 0.016 % THD+N Total harmonic distortion plus noise VOUT = –60 dB 3 % Dynamic range EIAJ, A-weighted 87 93 dB SNR Signal-to-noise ratio EIAJ, A-weighted 90 96 dB Channel separation 86 92 dB Analog Output VO Output voltage 0.6 VCCCI VPP Center voltage 0.5 VCCCI V Load impedance AC coupling 10 k Ω –3 dB 250 kHz LPF frequency response f = 20 kHz –0.03 dB DAC Digital Filter Performance Passband 0.445 fS Hz Stop band 0.555 fS Hz Passband ripple ±0.1 dB Stop-band attenuation –43 dB td Delay time 14.3 fS s POWER-SUPPLY REQUIREMENTS VBUS Voltage range 4.35 5 5.25 VDC ADC, DAC operation 56 67 mA Supply current Suspend mode(5) 250 µA ADC, DAC operation 280 352 PD Power dissipation mW Suspend mode(5) 1.25 VCCCI, VCCP1I, VCCP2I, Internal power-supply voltage 3.1 3.3 3.5 VDC VCCXI, VDDI TEMPERATURE RANGE Operating temperature range –25 +85 °C θ JA Thermal resistance 100 °C/W (4) fOUT = 1 kHz, using a System Two audio measurement system by Audio Precision in the RMS mode with 20-kHz LPF, 400-Hz HPF. (5) Under USB suspend state. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): PCM2900B PCM2902B Not Recommended For New Designs |
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