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TS4962EKIJT データシート(PDF) 9 Page - STMicroelectronics |
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TS4962EKIJT データシート(HTML) 9 Page - STMicroelectronics |
9 / 22 page Electrical Characteristics TS4962 9/22 Table 8. VCC =+2.4V 1, GND = 0V, V ICM =1.2V, Tamb = 25°C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit ICC Supply Current No input signal, no load 1.7 mA ISTANDBY Standby Current 2 No input signal, VSTBY = GND 10 nA Voo Output Offset Voltage No input signal, RL = 8Ω 3mV Po Output Power, G=6dB THD = 1% Max, f = 1kHz, RL = 4Ω THD = 10% Max, f = 1kHz, RL = 4Ω THD = 1% Max, f = 1kHz, RL = 8Ω THD = 10% Max, f = 1kHz, RL = 8Ω 0.48 0.65 0.3 0.38 W THD + N Total Harmonic Distortion + Noise Po = 200 mWRMS, G = 6dB, 20Hz < f < 20kHz, RL = 8Ω + 15µH, BW < 30kHz 1% Efficiency Efficiency Po = 0.38 WRMS, RL = 4Ω + ≥ 15µH Po = 0.25 WRMS, RL = 8Ω+ ≥ 15µH 77 86 % CMRR Common Mode Rejection Ratio f = 217Hz, RL = 8Ω, G = 6dB, ∆Vic = 200mVpp 54 dB Gain Gain value (Rin in kΩ) V/V RSTDBY Internal Resistance From Standby to GND 273 300 327 k Ω FPWM Pulse Width Modulator Base Frequency 250 kHz SNR Signal to Noise ratio (A Weighting), Po = 0.25W, RL = 8Ω 80 dB TWU Wake-up time 5ms TSTB Standby time 5ms VN Output Voltage Noise f = 20Hz to 20kHz, G = 6dB Unweighted RL = 4Ω A weighted RL = 4Ω Unweighted RL = 8Ω A weighted RL = 8Ω Unweighted RL = 4Ω + 15µH A weighted RL = 4Ω + 15µH Unweighted RL = 4Ω + 30µH A weighted RL = 4Ω + 30µH Unweighted RL = 8Ω + 30µH A weighted RL = 8Ω + 30µH Unweighted RL = 4Ω + Filter A weighted RL = 4Ω + Filter Unweighted RL = 4Ω + Filter A weighted RL = 4Ω + Filter 85 60 86 62 76 56 82 60 67 53 78 57 74 54 78 59 µVRMS 1) Parameters guaranteed by evaluation and design, not by test. 2) Standby mode is actived when Vstdby is tied to GND. 273k Ω R in ------------------ 300 k Ω R in ------------------ 327k Ω R in ------------------ |
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