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TS4975EIJT Folha de dados(PDF) 6 Page - STMicroelectronics |
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TS4975EIJT Folha de dados(HTML) 6 Page - STMicroelectronics |
6 / 33 page Electrical Characteristics TS4975 6/33 Table 6. VCC = +3.3V, GND = 0V, Tamb = 25°C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit I CC Supply Current No input signal, no load, Single Ended, Mode 1-4 No input signal, no load, Single Ended, Mode 5-8 No input signal, no load, Phantom Ground, Mode 1-4 No input signal, no load, Phantom Ground, Mode 5-8 3 2 4.6 3.6 4.2 2.8 6.5 5.3 mA I STANDBY Standby Current (SCL and SDA at VCC level) No input signal 0.6 2 µA Voo Output Offset Voltage No input signal, RL = 32 Ω, Phantom Ground 550 mV Po Output Power THD+N = 1% Max, f = 1kHz, RL = 16 Ω, Single Ended THD+N = 1% Max, f = 1kHz, RL = 32 Ω, Single Ended THD+N = 1% Max, f = 1kHz, RL = 16 Ω, Phantom Ground THD+N = 1% Max, f = 1kHz, RL = 32 Ω, Phantom Ground 34 24 34 24 40 26 40 26 mW THD + N Total Harmonic Distortion + Noise, Av = 2dB RL=32 Ω, Po=20 mW, 20Hz < F < 20kHz, Single Ended RL=16 Ω, Po=30 mW, 20Hz < F < 20kHz, Single Ended RL=32 Ω, Po=20 mW, 20Hz < F < 20kHz, Phantom Ground RL=16 Ω, Po=30 mW, 20Hz < F < 20kHz, Phantom Ground 0.3 0.3 0.3 0.3 % PSRR Power Supply Rejection Ratio(1) F = 217Hz, RL = 16 Ω, Av = 2 dB Vripple = 200mVpp, Input Grounded, Cb = 1µF, Single Ended Output referenced to Phantom Ground F = 217Hz, RL = 16 Ω, Av = 2 dB Vripple = 200mVpp, Input Grounded, Cb = 1µF, Single Ended Output referenced to Ground 61 61 dB Crosstalk Channel Separation, RL = 32 Ω, Av = 2 dB with Single Ended F = 1kHZ, Po=20mW F = 20Hz to 20kHz, Po=20mW Channel Separation, RL = 32 Ω, Av = 2 dB with Phantom Ground F = 1kHZ, Po=20mW F = 20Hz to 20kHz, Po=20mW 103 75 69 69 dB SNR Signal To Noise Ratio, A-Weighted, Av=2dB, RL=32 Ω, Po=25mW Single Ended Phantom Ground 90 90 dB Noise Output Noise voltage, A-Weighted, Av=2dB Single Ended Phantom Ground 23 23 µVrms G Digital Gain Range In1 & In2 to Out1 & Out2 -34 +18 dB Digital Gain Stepsize 4 dB Gain error tolerance -1 +1 dB Zin In1 & In2 Input Impedance, All Gain setting 25.5 30 34.5 k Ω Twu Wake up time, Cb=1µF 90 156 ms Tws Standby time 1 µs 1. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to Vcc @ F = 217Hz |
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