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TS4962MEIJT Fiches technique(PDF) 5 Page - STMicroelectronics |
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TS4962MEIJT Fiches technique(HTML) 5 Page - STMicroelectronics |
5 / 32 page TS4962M Electrical Characteristics 5/32 Table 5. VCC = +4.2V, 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 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 1.6 2 0.95 1.2 W THD + N Total Harmonic Distortion + Noise Pout = 600mWRMS, G = 6dB, 20Hz < F < 20kHz RL =8Ω + 15µH, BW < 30kHz Pout = 700mWRMS, G = 6dB, F = 1kHz, RL =8Ω + 15µH, BW < 30kHz 1 0.35 % Efficiency Efficiency Pout =1.45WRMS, RL =4Ω + ≥ 15µH Pout =0.9WRMS, 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, ∆Vicm = 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 180 250 320 kHz SNR Signal to Noise Ratio A Weighting, Pout = 0.9W, RL =8Ω 85 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 83 60 Unweighted RL =4Ω + 30µH A weighted RL =4Ω + 30µH 88 64 Unweighted RL =8Ω + 30µH A weighted RL =8Ω + 30µH 78 57 Unweighted RL =4Ω + Filter A weighted RL =4Ω + Filter 87 65 Unweighted RL =4Ω + Filter A weighted RL =4Ω + Filter 82 59 1. All electrical values are guaranteed with correlation measurements at 2.5V and 5V. 2. Standby mode is active when VSTBY is tied to GND. 3. 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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