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TPA005D12 데이터시트(PDF) 5 Page - Texas Instruments |
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TPA005D12 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 8 page TPA005D12 2-W STEREO CLASS-D AUDIO POWER AMPLIFIER SLOS241B – AUGUST 1999 – REVISED MARCH 2000 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics, Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 5 V, RL = 4 Ω, TC = 25°C, See Figure 1 (resistive load) (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PSRR Power supply rejection ratio VDD = PVDD = LPVDD = RPVDD = 4.5 V to 5.5 V 40 dB IDD Supply current No load, No filter 25 35 mA IDD(MUTE) Supply current, mute mode MUTE = 0 V 3.9 10 mA IDD(SD) Supply current, shutdown mode SHUTDOWN = 0 V 0.2 10 µA IIH High-level input current VIH = 5.3 V 1 µA IIL Low-level input current VIL = – 0.3 V –1 µA rDS(on) Total static drain-to-source on-state resistance (low-side plus high-side FETs) ID = 2 A 700 900 m Ω rDS(on) Matching, high-side to high-side, low-side to low-side, same channel ID = 0.5 A 95% 99% operating characteristics, Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 5 V, RL = 4 Ω, TC = 25°C, See Figure 1 (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO RMS output power, THD = 0.5%, per channel 2 W THD+N Total harmonic distortion plus noise PO = 1 W , f = 1 kHz 0.2% Efficiency PO = 1 W, RL = 8 Ω 80% AV Gain 25 dB Left/right channel gain matching 95% 99% Noise floor –55 dBV Dynamic range 70 dB Crosstalk f = 1 kHz –55 dB Frequency response bandwidth, post output filter, – 3 dB 20 20 000 Hz BOM Maximum output power bandwidth 20 kHz thermal resistance PARAMETER TEST CONDITIONS MIN TYP MAX UNIT R θJP Thermal resistance, junction-to-pad 10 °C/W Thermal shutdown temperature 165 °C |
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