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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCM2912 датащи(PDF) 5 Page - Texas Instruments |
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PCM2912 датащи(HTML) 5 Page - Texas Instruments |
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5 / 32 page  www.ti.com PCM2912 SLES216 – FEBRUARY 2008 ELECTRICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VBUS = 5 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted PCM2912PJT PARAMETER TEST CONDITIONS UNIT MIN TYP MAX DAC CHARACTERISTICS Resolution 16 Bits Audio data channel 1, 2 channel 8, 11.025, 16, 22.05, 32, 44.1, Sampling frequency kHz 48 DYNAMIC PERFORMANCE(7) RL > 10 kΩ, VOUT = 0 dB of 0.6 VCCA 0.01% 0.02% THD+N RL = 32 Ω, VOUT = 0 dB of 0.55 VCCA 0.02% 0.05% Dynamic range EIAJ, A-Weighted 82 90 dB S/N ratio EIAJ, A-Weighted 84 92 dB Channel separation RL > 10 kΩ 80 88 dB DC ACCURACY Gain mismatch ±2 ±10 % of FSR channel-to-channel Gain error ±2 ±10 % of FSR Bipolar zero error ±3 % of FSR ANALOG OUTPUT RL > 10 kΩ 0.6 VCCA Output voltage Vp-p RL = 32 Ω 0.55 VCCA Center voltage 0.5 VCCA V RL = 32 Ω 13 Output power mW RL = 16 Ω 25 LINE 10 k Ω Load impedance (AC coupling) HEADPHONE 16 32 Ω –3 dB 140 kHz LPF frequency response f = 20 kHz –0.1 dB SIDETONE PROGRAMMABLE ATTENUATOR Gain range –76 0 dB Gain step size 1 dB OUTPUT PROGRAMMABLE ATTENUATOR Gain range –76 0 dB Gain step size 1 dB ANALOG LOOPBACK PERFORMANCE(8) RL > 10 kΩ, VIN = 0 dB of 0.43 VCCA 0.01% 0.02% THD+N RL = 32 Ω, VIN = 0 dB of 0.43 VCCA 0.02% 0.05% Dynamic range EIAJ, A-weighted 82 90 dB S/N ratio EIAJ, A-weighted 84 92 dB (7) fOUT = 1 kHz, using Audio Precision ™System Two ™, RMS mode with 20 kHz LPF, 400 Hz HPF. Output attenuator = 0 dB, Sidetone = Mute. (8) MIC Amp = 0 dB, Sidetone attenuator = 0 dB, Output attenuator = 0 dB. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): PCM2912 |
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