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4 / 32 page Electrical Characteristics TS4962M 4/32 3 Electrical Characteristics Table 4. VCC = +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 2.3 3.3 mA ISTBY Standby Current (1) 1. Standby mode is active when VSTBY is tied to GND. 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 2.3 3 1.4 1.75 W THD + N Total Harmonic Distortion + Noise Pout = 900mWRMS, G = 6dB, 20Hz < F < 20kHz RL =8Ω + 15µH, BW < 30kHz Pout =1WRMS, G = 6dB, F = 1kHz, RL =8Ω + 15µH, BW < 30kHz 1 0.4 % Efficiency Efficiency Pout =2WRMS, RL =4Ω + ≥ 15µH Pout =1.2WRMS, RL =8Ω+ ≥ 15µH 78 88 % PSRR Power Supply Rejection Ratio with Inputs Grounded (2) 2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the superimposed sinusoidal signal to VCC @ F = 217Hz. 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 = 1.2W, RL =8Ω 85 dB tWU Wake-up Time 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 273k Ω R in ------------------ 300k Ω R in ------------------ 327k Ω R in ------------------ |
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