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TS4962M Arkusz danych(PDF) 11 Page - STMicroelectronics |
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TS4962M Arkusz danych(HTML) 11 Page - STMicroelectronics |
11 / 41 page TS4962M Electrical characteristics 11/41 Table 7. VCC = +3V, GND = 0V, VIC =2.5V, Tamb = 25°C (unless otherwise specified) (1) Symbol Parameter Conditions Min. Typ. Max. Unit ICC Supply current No input signal, no load 1.9 2.7 mA ISTBY Standby current (2) No input signal, VSTBY = GND 10 1000 nA VOO Output offset voltage No input signal, RL =8Ω 325 mV Pout 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 0.75 1 0.5 0.6 W THD + N Total harmonic distortion + noise Pout = 350mWRMS, G = 6dB, 20Hz < F < 20kHz RL =8Ω + 15µH, BW < 30kHz Pout =350mWRMS, G = 6dB, F = 1kHz, RL =8Ω + 15µH, BW < 30kHz 1 0.21 % Efficiency Efficiency Pout =0.7WRMS, RL =4Ω +≥ 15µH Pout =0.45WRMS, RL =8Ω+≥ 15µH 78 88 % PSRR Power supply rejection ratio with inputs grounded (3) F = 217Hz, RL =8Ω, G=6dB, Vripple = 200mVpp 60 dB CMRR Common mode rejection ratio F = 217Hz, RL =8Ω, G=6dB, ΔVicm =200mVpp 54 dB Gain Gain value Rin in kΩ V/V RSTBY Internal resistance from Standby to GND 273 300 327 k Ω FPWM Pulse width modulator base frequency 180 250 320 kHz SNR Signal to noise ratio A-weighting, Pout = 0.4W, RL =8Ω 82 dB tWU Wake-up time 5 10 ms tSTBY Standby time 5 10 ms 273k Ω R in ----------------- 300k Ω R in ----------------- 327k Ω R in ----------------- |
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