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TS2007FC bảng dữ liệu(PDF) 6 Page - STMicroelectronics |
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6 / 28 page Electrical characteristics TS2007FC 6/28 3 Electrical characteristics 3.1 Electrical characteristics tables Table 5. VCC = +5 V, GND = 0 V, Vic = 2.5 V, Tamb = 25°C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit ICC Supply current. No input signal, no load 2.5 4 mA ICC-STBY Standby current (1). No input signal, VSTBY = GND. 1 2 µA Voo Output offset voltage. Floating inputs, RL = 8 Ω 25 mV Po Output power THD = 1% max, F = 1 kHz, RL = 4 Ω THD = 1% max, F = 1 kHz, RL = 8 Ω THD = 10% max, F = 1 kHz, RL = 4 Ω THD = 10% max, F = 1 kHz, RL = 8 Ω 2.3 1.4 3 1.75 W THD + N Total harmonic distortion + noise Po = 900 mWRMS, G = 6 dB, F= 1 kHz, RL = 8 Ω 0.12 % Efficiency Efficiency Po = 2.3 Wrms, RL = 4 Ω (with LC output filter) Po = 1.4 Wrms, RL = 8 Ω (with LC output filter) 86 92 % PSRR Power supply rejection ratio with inputs grounded, CIN = 1 µF (2) F= 217 Hz, RL = 8 Ω, Gain = 6 dB, Vripple = 200 mVpp F= 217 Hz, RL = 8 Ω, Gain = 12 dB, Vripple = 200 mVpp 68 65 dB CMRR Common mode rejection ratio Cin=1 µF, RL = 8 Ω 20 Hz < F< 20 kHz, Gain = 6 dB, ΔVICM = 200 mVpp 60 dB Gain Gain value, Gs = 0 V Gain value, GS = VCC 11.5 5.5 12 6 12.5 6.5 dB Zin Single ended 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), F = 1 kHz, Po = 1.9 W G = 6 dB, RL = 4 Ω (with LC output filter) 93 dB tWU Wake-up time 1 3 ms tSTBY Standby time 1 ms VN Output voltage noise, F = 20 Hz to 20 kHz, RL = 4 Ω Unweighted (filterless, G = 6 dB) A-weighted (filterless, G = 6 dB) Unweighted (with LC output filter, G = 6 dB) A-weighted (with LC output filter, G = 6 dB) Unweighted (filterless, G = 12 dB) A-weighted (filterless, G = 12 dB) Unweighted (with LC output filter, G = 12 dB) A-weighted (with LC output filter, G = 12 dB) 87 60 83 58 106 77 101 75 µVrms 1. Standby mode is active when VSTBY is tied to GND. 2. Dynamic measurement - 20*log(rms(Vout)/rms(Vripple)). Vripple is the superimposed sinus signal to VCC @ F =217 Hz. 3. Independent of gain configuration (6 or 12 dB) and between IN+ or IN- and GND. |
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