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TPA2025D1YZGR Datasheet(PDF) 5 Page - Texas Instruments |
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TPA2025D1YZGR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 23 page TPA2025D1 www.ti.com SLOS717A – AUGUST 2011 – REVISED FEBRUARY 2012 OPERATING CHARACTERISTICS VBAT= 3.6 V, EN = VBAT, AGC = GND, TA = 25°C, RL = 8 Ω + 33 μH (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT BOOST CONVERTER IBOOST = 0 mA 5.4 5.75 6.4 V PVDD Boost converter output voltage range IBOOST = 700 mA 5.6 V Boost converter input current limit Power supply current 1800 Boost converter starts up from full shutdown 600 IL mA Boost converter start-up current limit Boost converter wakes up from auto-pass through 1000 mode fBOOST Boost converter frequency 1.2 MHz CLASS-D AMPLIFIER THD = 1%, VBAT = 2.5 V, f = 1 kHz 1440 THD = 1%, VBAT = 3.0 V, f = 1 kHz 1750 THD = 1%, VBAT = 3.6 V, f = 1 kHz 1900 THD = 1%, VBAT = 2.5 V, f = 1 kHz, 1460 PO Output power mW RL = 4 Ω + 33 µH THD = 1%, VBAT = 3.0 V, f = 1 kHz, 1800 RL = 4 Ω + 33 µH THD = 1%, VBAT = 3.6 V, f = 1 kHz, 2280 RL = 4 Ω + 33 µH THD = 1%, VBAT = 3.6 V, f = 1 kHz, 6 dB crest VO Peak output voltage 5.45 V factor sine burst, no clipping AV Voltage gain 19.5 20 20.5 dB |VOOS | Output offset voltage 2 10 mV Short-circuit protection threshold 2 A current Input impedance (per input pin) AV = 20 dB 24 RIN k Ω Input impedance in shutdown (per EN = 0 V 1300 input pin) ZO Output impedance in shutdown 2 k Ω Maximum input voltage swing EN = 0 V 2 VRMS Boost converter auto-pass through Class-D output voltage threshold when boost 2 VPK threshold converter automatically turns on fCLASS-D Class-D switching frequency 275 300 325 kHz Class-D and boost combined η PO = 1 W, VBAT = 3.6 V 82% efficiency A-weighted 49 EN Noise output voltage μVRMS Unweighted 65 1.7 W, RL = 8 Ω + 33 µH. A-weighted 97 1.7 W, RL = 8 Ω + 33 µH. Unweighted 95 SNR Signal-to-noise ratio dB 2 W, RL = 4 Ω + 33 µH. A-weighted 95 2 W, RL = 4 Ω + 33 µH. Unweighted 93 PO = 100 mW, f = 1 kHz 0.06% PO = 500 mW, f = 1 kHz 0.07% Total harmonic distortion plus THD+N noise(1) 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% THD+N added to other audio signal connected at amplifier input during 0.02% shutdown 200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz 62.5 AC-Power supply ripple rejection AC PSRR dB (output referred) 200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz 62.5 (1) A-weighted Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPA2025D1 |
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