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TS2007 bảng dữ liệu(PDF) 11 Page - STMicroelectronics |
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TS2007 bảng dữ liệu(HTML) 11 Page - STMicroelectronics |
11 / 29 page TS2007 Electrical characteristics 11/29 Table 9. VCC = +2.4V, GND = 0V, Vic=1.2V, Tamb = 25°C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit ICC Supply current No input signal, no load 1.7 2.4 mA ICC-STBY Standby current (1) No input signal, VSTBY = GND 10 1000 nA Voo Output offset voltage Floating inputs, RL = 8Ω 25 mV Po Output power THD+N = 1% Max, f = 1kHz, RL = 4Ω THD+N = 1% Max, f = 1kHz, RL = 8Ω THD = 10% Max, f = 1kHz, RL = 4Ω THD = 10% Max, f = 1kHz, RL = 8Ω 0.48 0.3 0.6 0.36 W THD + N Total harmonic distortion + noise Po = 200mWRMS, G = 6dB, f = 1kHz, RL = 8Ω 0.1 % Efficiency Efficiency Po = 0.38 WRMS, RL = 4Ω (with LC output filter) Po = 0.25 WRMS, RL = 8Ω (with LC output filter) 82 90 % PSRR Power supply rejection ratio with inputs grounded, Cin=1µF (2) f = 217Hz, RL = 8Ω, Gain=6dB, Vripple = 200mVpp f = 217Hz, RL = 8Ω, Gain=12dB, Vripple = 200mVpp 63 60 dB CMRR Common mode rejection ratio 20Hz < f < 20kHz 60 dB Gain Gain value GS = 0V GS = VCC 11.5 5.5 12 6 12.5 6.5 dB Zin Single input impedance (3) 68 75 82 k Ω FPWM Pulse width modulator base frequency 190 280 370 kHz SNR Signal to noise ratio (A-weighting) Po=0.4W, RL=4Ω (with LC output filter) 88 dB tWU Wake-up time 5 10 ms tSTBY Standby time 5 ms VN Output voltage noise f = 20Hz to 20kHz, RL=4Ω Unweighted (filterless, G=6dB) A-weighted (filterless, G=6dB) Unweighted (with LC output filter, G=6dB) A-weighted (with LC output filter, G=6dB) Unweighted (filterless, G=12dB) A-weighted (filterless, G=12dB) Unweighted (with LC output filter, G=12dB) A-weighted (with LC output filter, G=12dB) 70 50 66 49 91 65 84 64 μVRMS 1. Standby mode is active when VSTBY is tied to GND. 2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the superimposed sinus signal to VCC @ f = 217Hz. 3. Independent of Gain configuration (6 or 12dB) and between IN+ or IN- and GND. |
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