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TS4997 数据表(PDF) 5 Page - STMicroelectronics |
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TS4997 数据表(HTML) 5 Page - STMicroelectronics |
5 / 34 page TS4997 Electrical characteristics 5/34 3 Electrical characteristics Table 4. VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit ICC Supply current No input signal, no load, left and right channel active 7.4 9.6 mA ISTBY Standby current (1) No input signal, VSTBYL = GND, VSTBYR = GND, RL = 8Ω 10 2000 nA Voo Output offset voltage No input signal, RL = 8Ω 135 mV Po Output power THD = 1% Max, F = 1kHz, RL = 8Ω 800 1000 mW THD + N Total harmonic distortion + noise Po = 700mWrms, G = 6dB, RL = 8Ω, 20Hz ≤ F ≤ 20kHz 0.5 % PSRR Power supply rejection ratio(2), inputs grounded RL = 8Ω, G = 6dB, Cb = 1µF, Vripple = 200mVpp, 3D effect off F = 217Hz F = 1kHz 80 75 dB CMRR Common mode rejection ratio(3) RL = 8Ω, G = 6dB, Cb = 1µF, Vincm = 200mVpp, 3D effect off F = 217Hz F = 1kHz 57 57 dB SNR Signal-to-noise ratio A-weighted, G = 6dB, Cb = 1µF, RL = 8Ω, 3D effect off (THD + N ≤ 0.5%, 20Hz < F < 20kHz) 108 dB Crosstalk Channel separation, RL = 8Ω, G = 6dB, 3D effect off F = 1kHz F = 20Hz to 20kHz 105 80 dB VN Output voltage noise, F = 20Hz to 20kHz, RL = 8Ω, G=6dB Cb = 1µF, 3D effect off Unweighted A-weighted 15 10 μVrms Gain Gain value (RIN in kΩ) V/V tWU Wake-up time (Cb = 1µF) 46 ms tSTBY Standby time (Cb = 1µF) 10 µs ΦM Phase margin at unity gain RL = 8Ω, CL = 500pF 65 Degrees GM Gain margin, RL = 8Ω, CL = 500pF 15 dB GBP Gain bandwidth product, RL = 8Ω 1.5 MHz 1. Standby mode is active when VSTBY is tied to GND. 2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the sinusoidal signal superimposed upon VCC. 3. Dynamic measurements - 20*log(rms(Vout)/rms(Vincm)). 40k Ω R IN ---------------- 50k Ω R IN ---------------- 60k Ω R IN ---------------- |
类似零件编号 - TS4997 |
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类似说明 - TS4997 |
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