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TPA311D Fiches technique(PDF) 3 Page - Texas Instruments |
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TPA311D Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 32 page TPA311 350-mW MONO AUDIO POWER AMPLIFIER SLOS207B – JANUARY 1998 – 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 VOO Output offset voltage (measured differentially) See Note 1 5 20 mV PSRR Power supply rejection ratio VDD =3 2Vto3 4V BTL mode 85 dB PSRR Power supply rejection ratio VDD = 3.2 V to 3.4 V SE mode 83 dB IDD Supply current (see Figure 6) BTL mode 0.7 1.5 mA IDD Supply current (see Figure 6) SE mode 0.35 0.75 mA IDD(SD) Supply current, shutdown mode (see Figure 7) 7 50 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%, BTL mode, See Figure 14 250 mW PO Output power, see Note 2 THD = 0.5%, SE mode 110 mW THD + N Total harmonic distortion plus noise PO = 250 mW, See Figure 12 f = 20 Hz to 4 kHz, Gain = 2, 1.3% BOM Maximum output power bandwidth Gain = 2, THD = 3%, See Figure 12 10 kHz B1 Unity-gain bandwidth Open Loop, See Figure 36 1.4 MHz Supply ripple rejection ratio f = 1 kHz, See Figure 5 CB = 1 µF, BTL mode, 71 dB Supply ripple rejection ratio f = 1 kHz, See Figure 3 CB = 1 µF, SE mode, 86 dB Vn Noise output voltage Gain = 1, BTL, CB = 0.1 µF, See Figure 42 RL = 32 Ω, 15 µV(rms) NOTE 2: Output power is measured at the output terminals of the device at f = 1 kHz. |
Numéro de pièce similaire - TPA311D |
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Description similaire - TPA311D |
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