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TS4855IJT Datasheet(PDF) 8 Page - STMicroelectronics |
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TS4855IJT Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 27 page TS4855 Electrical Characteristics 8/27 Po Output Power SPKRout, RL = 8Ω, THD = 1%, f = 1 kHz Rout & Lout, RL = 32Ω, THD = 0.5%, f = 1 kHz 300 20 340 25 mW THD + N Total Harmonic Distortion + Noise Rout & Lout, Po =20mW, f = 1kHz, RL =32Ω SPKRout, Po = 300 mW, f = 1 kHz, RL = 8Ω Rout & Lout, Po = 15 mW, 20 Hz < f < 20 kHz, RL = 32Ω SPKRout, Po = 250 mW, 20 Hz < f < 20 kHz, RL = 8Ω 0.5 0.5 0.5 1 % SNR Signal To Noise Ratio A-Weighted, f = 1 kHz 80 dB PSRR 5) Power Supply Rejection Ratio SPKRout,Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Gain (BTL) = 12 dB, Output Mode 1,3,5,7 Rout & Lout Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output Mode 2,3 Rout & Lout Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output Mode 4,5 Rout & Lout Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output Mode 6,7 58 52 49 45 62.5 56.5 55 49.5 dB G2 Digital Gain Range - Rin & Lin to Rout ,Lout -34.5 12 dB G1 Digital Gain Range - Phone In HS to Rout ,Lout -40.5 6 dB Digital Gain stepsize 1.5 dB Stepsize Error ± 0.6 dB Phone In Volume BTL maximum GAIN from Phone In HS to Rout, Lout BTL minimum GAIN from Phone In HS to Rout, Lout 5.4 -41.1 6 -40.5 6.6 -39.9 dB Phone In Volume BTL maximum gain from Rin, Lin to Rout, Lout BTL minimum gain from Rin, Lin to Rout, Lout 11.4 -35.1 12 -34.5 12.6 -33.9 dB Phone In Volume BTL gain from Phone In IHF to SPKRout 11.4 12 12.6 dB Zin Phone In IHF Input Impedance, all gains setting 16 20 24 k Ω Zin Phone In HS, Rin & Lin Input Impedance, all gains setting 42.5 50 57.5 k Ω tes Enable Step up Time - ENB 20 ns teh Enable Hold Time - ENB 20 ns tel Enable Low Time - ENB 30 ns Table 5: Electrical characteristics at VCC = +3.0 V, GND = 0 V, Tamb = 25°C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit |
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