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TPA0112PWP データシート(PDF) 4 Page - Texas Instruments |
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TPA0112PWP データシート(HTML) 4 Page - Texas Instruments |
4 / 36 page www.ti.com DISSIPATION RATING TABLE RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS OPERATING CHARACTERISTICS TPA0112 SLOS204C – MAY 1999 – REVISED SEPTEMBER 2004 PACKAGE TA≤ 25°C DERATING FACTOR TA = 70°C TA = 85°C PWP 2.7 W(1) 21.8 mW/ °C 1.7 W 1.4 W (1) Please see the Texas Instrumentsdocument, PowerPAD Thermally EnhancedPackage Application Report (literature number SLMA002), for moreinformation on the PowerPAD package. The thermal data was measured on a PCBlayout based on the information in the section entitledTexas Instruments Recommended Board forPowerPAD of the before-mentioned document. MIN MAX UNIT VDD Supply voltage 4.5 5.5 V SE/BTL, GAIN0, GAIN1 0.8 x VDD VIH High-level input voltage V SHUTDOWN 2 SE/BTL 0.6 x VDD VIL Low-level input voltage GAIN0, GAIN1 0.4 x VDD V SHUTDOWN 0.8 TA Operating free-air temperature –40 85 °C at specified free-air temperature, V DD = 5 V, TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT |VOO| Output offset voltage (measured differentially) VI = 0, AV = 2 V/V 25 mV PSRR Power supply rejection ratio VDD = 4.5 V to 5.5 V 77 dB |IIH| High-level input current VDD = 5.5 V, VI = VDD 900 nA |IIL| Low-level input current VDD = 5.5 V, VI = 0 V 900 nA BTL mode 6 8 IDD Supply current mA SE mode 3 4 IDD(SD) Supply current, shutdown mode 150 300 µA V DD = 5 V, TA = 25°C, RL = 8 Ω , Gain = 2 V/V, BTL mode PARAMETER TEST CONDITIONS MIN TYP MAX UNIT THD+N = 10% 2.6 PO Output power RL = 3 Ω W THD+N = 1% 2.05 THD + N Total harmonic distortion plus noise PO = 1 W, f = 20 Hz to 15 kHz 0.75% BOM Maximum output power bandwidth THD = 5% >15 kHz f = 1 kHz, Supply ripple rejection ratio BTL mode –72 dB CB = 0.47 µF SNR Signal-to-noise ratio 105 dB BTL mode 20 CB = 0.47 µF, Vn Noise output voltage µVRMS f = 20 Hz to 20 kHz SE mode 18 ZI Input impedance(1) (1) See Table 1 and itsassociated text. 4 |
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