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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TPA112DGN 데이터시트(PDF) 3 Page - Texas Instruments |
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TPA112DGN 데이터시트(HTML) 3 Page - Texas Instruments |
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3 / 32 page  www.ti.com RECOMMENDED OPERATING CONDITIONS DC ELECTRICAL CHARACTERISTICS AC OPERATING CHARACTERISTICS DC ELECTRICAL CHARACTERISTICS AC OPERATING CHARACTERISTICS TPA112 SLOS212E – AUGUST 1998 – REVISED JUNE 2004 MIN MAX UNIT VDD Supply voltage 2.5 5.5 V TA Operating free-air temperature –40 85 °C at T A = 25°C, VDD = 3.3 V PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOO Output offset voltage 10 mV PSRR Power supply rejection ratio VDD = 3.2 V to 3.4 V 83 dB IDD(q) Supply current 1.5 3 mA ZI Input impedance > 1 M Ω V DD = 3.3 V, TA = 25°C, RL = 8 Ω PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Output power (each channel) THD ≤ 0.1% 70(1) mW THD+N Total harmonic distortion + noise PO = 70 mW, 20 Hz–20 kHz 2% BOM Maximum output power BW G = 10, THD < 5% > 20 kHz Phase margin Open loop 58 ° SVRR Supply ripple rejection f = 1 kHz 68 dB Channel/channel output separation f = 1 kHz 86 dB SNR Signal-to-noise ratio PO = 100 mW 100 dB Vn Noise output voltage 9.5 µV(rms) (1) Measured at 1 kHz at T A = 25°C, VDD = 5 V PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOO Output offset voltage 10 mV PSRR Power supply rejection ratio VDD = 4.9 V to 5.1 V 76 dB IDD(q) Supply current 1.5 3 mA ZI Input impedance > 1 M Ω V DD = 5 V, TA = 25°C, RL = 8 Ω PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Output power (each channel) THD ≤ 0.1% 70(1) mW THD+N Total harmonic distortion + noise PO = 150 mW, 20 Hz–20 kHz 2% BOM Maximum output power BW G = 10, THD < 5% > 20 kHz Phase margin Open loop 56 ° SVRR Supply ripple rejection f = 1 kHz 68 dB Channel/channel output separation f = 1 kHz 86 dB SNR Signal-to-noise ratio PO = 150 mW 100 dB Vn Noise output voltage 9.5 µV(rms) (1) Measured at 1 kHz 3 |
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