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TPA301 Arkusz danych(PDF) 3 Page - Texas Instruments |
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TPA301 Arkusz danych(HTML) 3 Page - Texas Instruments |
3 / 22 page TPA301 350-mW MONO AUDIO POWER AMPLIFIER SLOS208C – JANUARY1998 – REVISED MARCH 2000 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics at specified free-air temperature, VDD = 3.3 V, TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOD Differential output voltage See Note 1 5 20 mV PSRR Power supply rejection ratio VDD = 3.2 V to 3.4 V 85 dB IDD(q) Supply current (see Figure 3) BTL mode 0.7 1.5 mA IDD(sd) Supply current, shutdown mode (see Figure 4) 0.15 5 µA NOTE 1: At 3 V < VDD < 5 V the dc output voltage is approximately VDD/2. operating characteristics, VDD = 3.3 V, TA = 25°C, RL = 8 Ω PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Output power, see Note 2 THD = 0.5%, See Figure 9 250 mW THD + N Total harmonic distortion plus noise PO = 250 mW, Gain = 2, f = 20 Hz to 4 kHz, See Figure 7 1.3% Maximum output power bandwidth Gain = 2, See Figure 7 THD = 3%, 10 kHz B1 Unity-gain bandwidth Open Loop, See Figure 15 1.4 MHz Supply ripple rejection ratio f = 1 kHz, See Figure 2 CB = 1 µF, 71 dB Vn Noise output voltage Gain = 1, RL = 32 Ω, CB = 0.1 µF, See Figure 19 15 µV(rms) NOTE 2: Output power is measured at the output terminals of the device at f = 1 kHz. electrical characteristics at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOD Differential output voltage 5 20 mV PSRR Power supply rejection ratio VDD = 4.9 V to 5.1 V 78 dB IDD(q) Quiescent current (see Figure 3) 0.7 1.5 mA IDD(sd) Quiescent current, shutdown mode (see Figure 4) 0.15 5 µA operating characteristics, VDD = 5 V, TA = 25°C, RL = 8 Ω PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Output power THD = 0.5%, See Figure 13 700 mW THD + N Total harmonic distortion plus noise PO = 250 mW, Gain = 2, f = 20 Hz to 4 kHz, See Figure 11 1% Maximum output power bandwidth Gain = 2, See Figure 11 THD = 2%, 10 kHz B1 Unity-gain bandwidth Open Loop, See Figure 16 1.4 MHz Supply ripple rejection ratio f = 1 kHz, See Figure 2 CB = 1 µF, 65 dB Vn Noise output voltage Gain = 1, RL = 32 Ω, CB = 0.1 µF, See Figure 20 15 µV(rms) |
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