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TPA3002D2 데이터시트(PDF) 6 Page - Texas Instruments |
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TPA3002D2 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 38 page TPA3002D2 SLOS402C − DECEMBER 2002 − REVISED JANUARY 2004 www.ti.com 6 DC ELECTRICAL CHARACTERISTICS TA = 25°C, VCC = 12 V, RL = 8 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT | VOS | Class-D Output offset voltage (measured differentially) INN and INP connected together, Gain = 36 dB 10 65 mV V2P5 (terminal 4) 2.5-V Bias voltage No load 0.45x AVDD 0.5x AVDD 0.55x AVDD V AVDD 5-V Regulated output IO = 0 to 100 mA, SD = 2 V, VCC = 8 V to 14 V 4.5 5.0 5.5 V PSRR Class-D power supply rejection ratio VCC = 11.5 V to 12.5 V −80 dB ICC(class-D) Class-D mode quiescent current MODE = 2 V, SD = 2 V 16 28.5 mA ICC(varout) Variable output mode quiescent current MODE = 3.5 V, SD = 2 V 7 9 mA ICC(class-D – max power) Class-D mode RMS current at max power RL = 8 Ω, PO = 9 W 2 A ICC(SD) Supply current in shutdown mode SD = 0.8 V 1 10 uA VCC = 12 V, High side 300 rds(on) Drain-source on-state resistance VCC = 12 V, IO = 1 A, T = 25 C Low side 250 m Ω rds(on) Drain-source on-state resistance IO = 1 A, TJ = 25°C Total 550 590 m Ω AC ELECTRICAL CHARACTERISTICS FOR CLASS-D OUTPUTS TA = 25°C, VCC = 12 V, RL = 8 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS kSVR Supply ripple rejection ratio VCC = 11.5 V to 12.5 V from 10 Hz to 1 kHz, Gain = 36 dB −67 dB PO Continuous output power THD+N = 1%, f = 1 kHz, RL = 8 Ω 7.5 W PO Continuous output power THD+N = 10%, f = 1 kHz, RL = 8 Ω 9 W 20 Hz to 22 kHz, No filter, Gain = 0.5 dB 79 µV Vn Output integrated noise floor 20 Hz to 22 kHz, No filter, Gain = 0.5 dB −82 dBV Vn Output integrated noise floor 20 Hz to 22 kHz, A-weighted filter, 100 µV 20 Hz to 22 kHz, A-weighted filter, Gain = 13.2 dB −80 dBV Crosstalk, Class-D−Left → Class-D−Right Gain = 13.2 dB, PO = 1 W, RL = 8 Ω −77 dB Crosstalk, Class-D → VAROUT Maximum output at THD < 0.5%, Gain = 36 dB −63 dB SNR Signal-to-noise ratio Maximum output at THD+N < 0.5%, f= 1 kHz, Gain = 36 dB 96 dB Thermal trip point 150 °C Thermal hystersis 20 °C CHARACTERISTICS FOR VAROUT OUTPUTS PARAMETER TEST CONDITIONS MIN TYP MAX UNITS |VOS| Output offset voltage Measured between V2P5 and VAROUT, Gain = 20 dB, RL = 10 kΩ 10 mV THD+N Total harmonic distortion + noise AV = 7.3 dB, f = 1 kHz, PO = 6 mW, RL = 32 Ω 0.025% THD+N Total harmonic distortion + noise AV = 7.3 dB, f = 1 kHz, RL = 2 kΩ, VO = 1 Vrms 0.002% PSRR DC power supply rejection ratio Gain = 20 dB −74 dB kSVR Supply ripple rejection ratio Gain = 20 dB, f = 1 kHz −95 dB Crosstalk, VAROUTL → VAROUTR Maximum output at THD < 0.5%, Gain = 20 dB −60 dB Crosstalk, VAROUT → Class-D Maximum output at THD < 0.5%, Gain = 20 dB −74 dB Vn Output integrated noise floor 20 Hz to 22 kHz, Gain = 20 dB 75 V Vn Output integrated noise floor 20 Hz to 22 kHz, Gain = −0.3 dB 15 µV |
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