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TPA2080D1 数据表(PDF) 6 Page - Texas Instruments |
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TPA2080D1 数据表(HTML) 6 Page - Texas Instruments |
6 / 29 page 6 TPA2080D1 SLOS733B – JANUARY 2012 – REVISED APRIL 2016 www.ti.com Product Folder Links: TPA2080D1 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated (1) A-weighted 7.6 Operating Characteristics VBAT= 3.6 V, EN = VBAT, TA = 25°C, RL = 8 Ω + 33 μH (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT BOOST CONVERTER PVDD Boost converter output voltage range IBOOST = 0 mA 5.4 5.75 6.4 V IBOOST = 700 mA 5.6 IL Boost converter input current limit Power supply current 1800 mA Boost converter start-up current limit Boost converter starts up from full shutdown 600 Boost converter wakes up from auto-pass through mode 1000 fBOOST Boost converter frequency 1.2 MHz CLASS-D AMPLIFIER PO Output power THD = 1%, VBAT = 2.5 V, f = 1 kHz 1440 mW THD = 1%, VBAT = 3 V, f = 1 kHz 1750 THD = 1%, VBAT = 3.6 V, f = 1 kHz 1900 THD = 1%, VBAT = 2.5 V, f = 1 kHz, RL = 4 Ω + 33 µH 1460 THD = 1%, VBAT = 3 V, f = 1 kHz, RL = 4 Ω + 33 µH 1800 THD = 1%, VBAT = 3.6 V, f = 1 kHz, RL = 4 Ω + 33 µH 2280 AV Voltage gain 19.5 20 20.5 dB VOOS Output offset voltage 2 10 mV Short-circuit protection threshold current 2 A RIN Input impedance (per input pin) 24 k Ω Input impedance in shutdown (per input pin) EN = 0 V 1300 ZO Output impedance in shutdown 2 k Ω Maximum input voltage swing EN = 0 V 2 VRMS Boost converter auto-pass through threshold Class-D output voltage threshold when boost converter automatically turns on 2 VPK fCLASS-D Class-D switching frequency 275 300 325 kHz η Class-D and boost combined efficiency PO = 500 mW, VBAT = 3.6 V 90% EN Noise output voltage A-weighted 49 μVRMS Unweighted 65 SNR Signal-to-noise ratio 1.7 W, RL = 8 Ω + 33 µH. A-weighted 97.5 dB 1.7 W, RL = 8 Ω + 33 µH. Unweighted 95 2 W, RL = 4 Ω + 33 µH. A-weighted 95 2 W, RL = 4 Ω + 33 µH. Unweighted 93 THD+N Total harmonic distortion plus noise(1) PO = 100 mW, f = 1 kHz 0.06% PO = 500 mW, f = 1 kHz 0.07% PO = 1.7 W, f = 1 kHz, RL = 8 Ω + 33 µH 0.07% PO = 2 W, f = 1 kHz, RL = 4 Ω + 33 µH 0.15% AC PSRR AC-Power supply ripple rejection (output referred) 200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz 62.5 dB 200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz 62.5 AC CMRR AC-Common mode rejection ratio (output referred) 200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz 71 dB 200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz 71 |
类似零件编号 - TPA2080D1_16 |
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类似说明 - TPA2080D1_16 |
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