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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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DA7211 Arkusz danych(PDF) 21 Page - Dialog Semiconductor |
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DA7211 Arkusz danych(HTML) 21 Page - Dialog Semiconductor |
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21 / 105 page  DA7211 Ultra-low power stereo codec Company confidential Datasheet Revision 3e 15-Oct-2015 CFR0011-120-00 Rev 5 21 of 105 © 2015 Dialog Semiconductor Table 13: Electrical characteristics: Headphone amplifier (HPL, HPR) Parameter Description Conditions Min Typ Max Unit VMAX Full-scale Output Signal No load 1.6*VDD CP VPP DC output offset 100 µV PMAX Output Power per channel VDDCP = 1.8 V, THD < 0.1%, RL=16 Ω 1 kHz 25 30 mWRMS VDDCP = 2.5 V, THD < 0.1%, RL=16 Ω 1 kHz 50 58 mWRMS Dynamic internal supply voltages VDD/3 or VDD/4 can optionally be selected if two flying caps are available ±VDD ±VDD/2 (±VDD/3 (±VDD/4) IQ Quiescent current per channel from VDDCP 100 uA Load Impedance 13 < RL < 13 16 400 500 µH pF Frequency Response +/- 0.5 dB 20 20k Amplitude Ripple 20 Hz – 20 kHz -0.5 0.5 dB Programmable Gain -54 15 dB Mute Attenuation 100 dB Programmable Gain Step Size 1.5 dB Absolute Gain Accuracy 0 dB @ 1 kHz -0.8 0.8 dB Input Gain L/R-Mismatch 20 Hz – 20 kHz -0.1 0.1 dB Input Gain Step Error 20 Hz – 20 kHz -0.1 0.1 dB SNR Signal to Noise Ratio A weighting, gain = 0 dB 100 dB VNOISE Output Noise Level 20 to 20 kHz, unweighted, gain < -15 dB <4.5 µVrms THD+N Total Harmonic Distortion Plus Noise VDDCP = 1.8 V, -5 dBFS, RL=16 Ω -70 dB PSRR with respect to AVDD Power Supply Rejection Ratio 20 Hz - 2 kHz 2 kHz - 20 kHz 70 50 dB Output power per channel VDDCP=2.5 V, THD<1%, RL=16 Ω, 1 kHz 72 mW |
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