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TS4962MEIJT Scheda tecnica(PDF) 8 Page - STMicroelectronics |
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TS4962MEIJT Scheda tecnica(HTML) 8 Page - STMicroelectronics |
8 / 32 page Electrical Characteristics TS4962M 8/32 Table 8. VCC = +2.5V, GND = 0V, VIC =2.5V, Tamb = 25°C (unless otherwise specified) Symbol Parameter Conditions Min. Typ. Max. Unit ICC Supply Current No input signal, no load 1.7 2.4 mA ISTBY Standby Current (1) 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 0.52 0.71 0.33 0.42 W THD + N Total Harmonic Distortion + Noise Pout = 200mWRMS, G = 6dB, 20Hz < F< 20kHz RL =8Ω + 15µH, BW < 30kHz Pout = 200WRMS, G = 6dB, F = 1kHz, RL =8Ω + 15µH, BW < 30kHz 1 0.19 % Efficiency Efficiency Pout =0.47WRMS, RL =4Ω + ≥ 15µH Pout =0.3WRMS, RL =8Ω+ ≥ 15µH 78 88 % PSRR Power Supply Rejection Ratio with Inputs Grounded (2) F = 217Hz, RL =8Ω, G=6dB, Vripple = 200mVpp 60 dB CMRR Common Mode Rejection Ratio F = 217Hz, RL =8Ω, G = 6dB, ∆Vicm = 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 = 1.2W, RL =8Ω 80 dB tWU Wake-upTime 5 10 ms tSTBY Standby Time 5 10 ms VN Output Voltage Noise F = 20Hz to 20kHz, G = 6dB Unweighted RL =4Ω A weighted RL =4Ω 85 60 µVRMS Unweighted RL =8Ω A weighted RL =8Ω 86 62 Unweighted RL =4Ω + 15µH A weighted RL =4Ω + 15µH 76 56 Unweighted RL =4Ω + 30µH A weighted RL =4Ω + 30µH 82 60 Unweighted RL =8Ω + 30µH A weighted RL =8Ω + 30µH 67 53 Unweighted RL =4Ω + Filter A weighted RL =4Ω + Filter 78 57 Unweighted RL =4Ω + Filter A weighted RL =4Ω + Filter 74 54 1. Standby mode is active when VSTBY is tied to GND. 2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the superimposed sinusoidal signal to VCC @ F = 217Hz. 273k Ω R in ------------------ 300k Ω R in ------------------ 327k Ω R in ------------------ |
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