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TPA0172 Datasheet(PDF) 5 Page - Texas Instruments |
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TPA0172 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 37 page  TPA0172 2W STEREO AUDIO POWER AMPLIFIER WITH I2C BUS SLOS327C − AUGUST 2000 − REVISED MAY 2001 5 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 |VOS| Output offset voltage (measured differentially) VI = 0 V, AV = 20 dB 20 mV PSRR Power supply rejection ratio VDD = 4.5 V to 5.5 V 75 dB |IIH| High-level input current VDD = 5.5 V, VI = VDD 1 µA |IIL| Low-level input current VDD = 5.5 V, VI = 0 V 1 µA Zi Input impedance 7.5 k Ω IDD Supply current BTL mode 8 12 mA IDD(SD) Supply current, shutdown mode PC-BEEP = 0 V 15 35 µA IDD(SD) Supply current, shutdown mode PC-BEEP = VDD/2 50 90 µA operating characteristics, VDD = 5 V, TA = 25°C, RL = 4 Ω, Gain = 20 dB, BTL mode (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Output power THD = 0.08%, f = 1 kHz 2 W THD + N Total harmonic distortion plus noise PO = 1 W, f = 20 Hz to 20 kHz 0.3% BOM Maximum output power bandwidth THD = 1% >20 kHz Supply ripple rejection ratio f = 1 kHz, CB = 0.47 F BTL mode −58 dB Supply ripple rejection ratio f = 1 kHz, CB = 0.47 µF SE mode −52 dB Vn Noise output voltage CB = 0.47 µF, f = 20 Hz to 20 kHz, BTL mode 29 µVRMS Vn Noise output voltage f = 20 Hz to 20 kHz, Gain = 6 dB BTL, 0 dB SE SE mode 23 µVRMS TYPICAL CHARACTERISTICS Table of Graphs FIGURE THD+N Total harmonic distortion plus noise vs Output power 1, 2, 4, 6 THD+N Total harmonic distortion plus noise vs Frequency 3, 5, Vn Output noise voltage vs Frequency 7 Supply ripple rejection ratio vs Frequency 8, 9 Crosstalk vs Frequency 10, 11 Shutdown attenuation vs Frequency 12 Closed loop response 13, 14 PO Output power vs Load resistance 15, 16 PD Power dissipation vs Output power 17, 18 PD Power dissipation vs Ambient temperature 19 |
Similar Part No. - TPA0172_16 |
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Similar Description - TPA0172_16 |
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