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TPA311DR Fiches technique(PDF) 4 Page - Texas Instruments |
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TPA311DR Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 35 page TPA311 350-mW MONO AUDIO POWER AMPLIFIER SLOS207C – JANUARY 1998 – REVISED MAY 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT |VOO| Output offset voltage (measured differentially) SHUTDOWN = 0 V, SE/BTL = 0 V, RL = 8 Ω, RF = 10 kΩ 5 20 mV PSRR Power supply rejection ratio V 4 9Vto5 1V BTL mode 78 dB PSRR Power supply rejection ratio VDD = 4.9 V to 5.1 V SE mode 76 dB I Supply current (see Figure 6) SHUTDOWN = 0 V, SE/BTL = 0.5 V, RF = 10 kΩ BTL mode 0.7 1.5 mA IDD Supply current (see Figure 6) SHUTDOWN = 0 V, SE/BTL = 4.5 V, RF = 10Ω SE mode 0.35 0.75 mA IDD(SD) Supply current, shutdown mode (see Figure 7) SHUTDOWN = VDD, SE/BTL = 0 V, RF = 10 kΩ, 60 100 µA |IIH| High level input current SHUTDOWN, VDD = 5.5 V, VI = VDD 1 µA |IIH| High-level input current SE/BTL, VDD = 5.5 V, VI = VDD 1 µA |IIL| Low level input current SHUTDOWN, VDD = 5.5 V, VI = 0 V 1 µA |IIL| Low-level input current SE/BTL, VDD = 5.5 V, VI = 0 V 1 µA operating characteristics, VDD = 5 V, TA = 25°C, RL = 8 Ω PARAMETER TEST CONDITIONS MIN TYP MAX UNIT P Output power see Note 2 THD = 0.5%, BTL mode, See Figure 18 700 mW PO Output power, see Note 2 THD = 0.5%, SE mode 300 mW THD + N Total harmonic distortion plus noise PO = 350 mW, See Figure 16 f = 20 Hz to 4 kHz, AV = – 2 V/V, 1% BOM Maximum output power bandwidth AV = – 2 V/V, THD = 2%, See Figure 16 10 kHz B1 Unity-gain bandwidth Open loop, See Figure 37 1.4 MHz Supply ripple rejection ratio f = 1 kHz, See Figure 5 CB = 1 µF, BTL mode, 65 dB Supply ripple rejection ratio f = 1 kHz, See Figure 4 CB = 1 µF, SE mode, 75 dB Vn Noise output voltage AV = – 1 V/V, BTL, CB = 0.1 µF, See Figure 43 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 - TPA311DR |
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Description similaire - TPA311DR |
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