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TPA2000D2PWPR Scheda tecnica(PDF) 4 Page - Texas Instruments |
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TPA2000D2PWPR Scheda tecnica(HTML) 4 Page - Texas Instruments |
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4 / 20 page  www.ti.com RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS OPERATING CHARACTERISTICS TPA2000D2 SLOS291F – MARCH 2000 – REVISED MARCH 2007 MIN TYP MAX UNIT VDD, PVDD Supply voltage 4.5 5.5 V VIH High-level input voltage GAIN0, GAIN1, SHUTDOWN 2 V VIL Low-level input voltage GAIN0, GAIN1, SHUTDOWN 0.8 V ROSC Oscillator resistance 120 k Ω COSC Oscillator capacitance 220 pF fs Switching frequency 200 300 kHz TA Operating free-air temperature -40 85 °C T A = 25°C, VDD = PVDD = 5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT | VOO | Output offset voltage (measured differentially) VI = 0 V 25 mV PSRR Power supply rejection ratio VDD=PVDD = 4.5 V to 5.5 V -77 dB IIH High-level input current VDD=PVDD = 5.5 V, VI = VDD = PVDD 1 µA IIL Low-level input current VDD=PVDD = 5.5 V, VI = 0 V 1 µA IDD Supply current No filter (with or without speaker load) 8 10 mA IDD Supply current With filter, L = 22 µH, C = 1 µF 15 mA IDD(SD) Supply current, shutdown mode 1 15 µA T A = 25°C, VDD = PVDD = 5 V, RL = 4 Ω, Gain = 8 dB (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Output power THD = 0.1%, f = 1 kHz, RL = 3 Ω 2 W THD+N Total harmonic distortion plus noise PO = 1 W, f = 20 Hz to 20 kHz <0.5% BOM Maximum output power bandwidth THD = 5% 20 kHz kSVR Supply ripple rejection ratio f = 1 kHz, C(BYPASS) = 0.4 µF -60 dB SNR Signal-to-noise ratio 87 dBV Integrated noise floor 20 Hz to 20 kHz, No input 56 µV ZI Input impedance >20 k Ω Table 1. Gain Settings AMPLIFIER GAIN INPUT IMPEDANCE (dB) (k Ω) GAIN1 GAIN0 TYP TYP 0 0 8 104 0 1 12 74 1 0 17.5 44 1 1 23.5 24 4 Submit Documentation Feedback |
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