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TS4962 Arkusz danych(PDF) 11 Page - STMicroelectronics |
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TS4962 Arkusz danych(HTML) 11 Page - STMicroelectronics |
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11 / 46 page  TS4962 Electrical characteristics 11/46 Table 6. Electrical characteristics at VCC = +4.2V with GND = 0V, Vicm = 2.1V, and Tamb = 25°C (unless otherwise specified) (1) Symbol Parameter Min. Typ. Max. Unit ICC Supply current No input signal, no load 2.1 3 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 1.5 1.95 0.9 1.1 W THD + N Total harmonic distortion + noise Pout = 600 mWRMS, G = 6dB, 20Hz < f < 20kHz RL = 8Ω + 15µH, BW < 30kHz Pout = 700mWRMS, G = 6dB, f = 1kHz RL = 8Ω + 15µH, BW < 30kHz 2 0.35 % Efficiency Efficiency Pout = 1.45 WRMS, RL = 4Ω +≥ 15µH Pout = 0.9 WRMS, RL = 8Ω+≥ 15µH 78 88 % PSRR Power supply rejection ratio with inputs grounded (3) f = 217Hz, RL = 8Ω, G=6dB, Vripple = 200mVpp 63 dB CMRR Common mode rejection ratio f = 217Hz, RL = 8Ω, G = 6dB, ΔVic = 200mVpp 57 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 200 280 360 kHz SNR Signal to noise ratio (A-weighting) Pout = 0.8W, RL = 8Ω 85 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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