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OPERATING CHARACTERISTICS TYPICAL CHARACTERISTICS 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 Class-ABw. Dynamic Class-ABw. Piezo A VDD =3.6V Load=PiezoSpeaker VO =14VppMax. TPA2100P1w. Piezo A Class-Dw. Dynamic Pop Ringtone Disco Classical News − Intro News − Interview VDD − SupplyVoltage − V 0 1 2 3 4 5 6 7 8 9 10 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Gain=12dB SD SDa = =2V www.ti.com ........................................................................................................................................................................................... SLOS595 – DECEMBER 2008 TA = 25°C, VDD = 3.6 V, SD = SDa = 1.3 V, Gain = 12 dB, Load = 10 Ω + 1 µF + 22 µH (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Maximum output voltage THD+N = 1%, Vdd = 3.0 V, L = 4.7 µH, 19 VOUTMAX VPP swing fAUD_IN ≤ 10 kHz Total harmonic distortion plus fAUD_IN = 1 kHz; VOUT = 10 to 18 VP-P 0.07% THD+N noise kSVR Supply ripple rejection ratio 200 mVPP supply ripple at 217 Hz –100 dB RL = 8 Ω, Vicm = 0.5V and Vicm = Vdd – 0.8 V, CMRR Input common mode rejection –60 dB differential inputs shorted Av = 12 dB 23.2 ZIN Input impedance Av = 16 dB 18.5 k Ω Av = 24 dB 10 f = 20 to 20 kHz, VOUT = 6 VRMS, Av = 12 dB, 94 SNR Signal to noise ratio dB A-weighted tON Start up time (Class-D and 2.5 V ≤ VDD ≤ 5.5 V, no turn-on pop, CIN ≤ 1 µF 8 ms Boost converter) TA = 25°C, VDD = 3.6 V, Gain = 12 dB, CIN = 1 µF, LBOOST = 4.7 µH, CBOOST = 10 µF, SD = SDa = 3.6 V, Load = 10 Ω + 1 µF + 22 µH (unless otherwise noted) QUIESCENT SUPPLY CURRENT AVERAGE POWER CONSUMPTION vs vs SUPPLY VOLTAGE AUDIO DRIVER TYPE Figure 1. Figure 2. Copyright © 2008, Texas Instruments Incorporated 5 Product Folder Link(s): TPA2100P1 |
