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TAS2120 Datasheet(PDF) 8 Page - Texas Instruments |
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TAS2120 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 113 page  TA = 25°C, VBAT = 3.6V, VBAT2S = 7.2V (2S mode enabled), PVDD = 12V ( External PVDD mode enabled), VDD = 1.8V, IOVDD = 1.8V, RL = 8Ω + 33µH, LBOOST(1S Boost mode) = 1µH, Fin = 1kHz, Fs = 48kHz, Gain = 21dBV, BST_ILIM (1S Boost mode) = 5.1A, BST_ILIM (2S Boost, HW mode) = 4.1A, BST_ILIM (2S Boost, I2C mode) = 5.1A, SDZ=1, Noise gate disabled, Class-D edge rate set to 2V/ns, I2C mode of operation, Measured filter free with an Audio Precision using 22Hz to 20kHz un-weighted bandwidth (unless otherwise noted).(1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT THD+N_ 2S Total Harmonic distortion + Noise POUT = 1 W, RL = 8 Ω + 33 µH, fin = 1 kHz 0.003 % POUT = 1 W, RL = 4 Ω + 33 µH, fin = 1 kHz 0.003 % POUT = 0.25 W, RL = 8 Ω + 33 µH, fin = 1 kHz, Gain = 6dBV (Receiver Mode) 0.005 % KCP_2S Click and pop performance All dynamic power up/downs of audio channel except for faults. Includes In/Out of Mute, Power Up and power Down, Noise Gate mode entry and Exit. Measured at Peak A-weighted Voltage. RL = 8 Ω + 33 µH, Input = Digital silence. –68 dBV PSRRVB AT2S VBAT2S power-supply rejection ratio VBAT2S = 7.2 V + 200 mVpp, fripple = 217 Hz 115 dB VBAT2S = 7.2 V + 200 mVpp, fripple = 1 kHz 115 dB VBAT2S = 7.2 V + 200 mVpp, fripple = 20 kHz 90 dB PSRRVB AT_2S VBAT power-supply rejection ratio VBAT = 3.6 V + 200 mVpp, fripple = 217 Hz 115 dB VBAT = 3.6 V + 200 mVpp, fripple = 1 kHz 115 dB VBAT = 3.6 V + 200 mVpp, fripple = 20 kHz 90 dB PSRRVD D_2S VDD power-supply rejection ratio VDD = 1.8 V + 200 mVpp, fripple = 217 Hz 110 dB VDD = 1.8 V + 200 mVpp, fripple = 1 kHz 110 dB VDD = 1.8 V + 200 mVpp, fripple = 20 kHz 90 dB AMPLIFIER PERFORMANCE - EXTERNAL PVDD Mode POUT_EXT _PVDD Maximum Output Power - 1% THD+N RL = 8 Ω + 33 µH 8.2 W RL = 4 Ω + 33 µH 14.6 W RL = 8 Ω + 33 µH, PVDD = 15V 11.2 W RL = 4 Ω + 33 µH, PVDD = 15V 19 W POUT_EXT _PVDD Maximum Output Power - 10% THD+N RL = 8 Ω + 33 µH 10.3 W RL = 4 Ω + 33 µH 18.0 W ηSYSTEM_ _EXT_1W System Efficiency at POUT = 1.0W RL = 8 Ω + 33 µH 88.1 % RL = 4 Ω + 33 µH 84.2 % ηSYSTEM_ EXT_MAX_ POUT System Efficiency at 1% THD+N power Level RL = 8 Ω + 33 µH 93.2 % RL = 4 Ω + 33 µH 88.5 % VN_EXT Idle channel Noise A-Weighted, Gain = 21dBV (Speaker Mode), DAC-Running 14.2 µV DNR_EX T Dynamic Range A-Weighted, -60 dBFS Method, RL = 8 Ω + 33 µH 114.4 dB THD+N_ EXT Total Harmonic distortion + Noise POUT = 1 W, RL = 8 Ω + 33 µH 0.003 % POUT = 1 W, RL = 4 Ω + 33 µH 0.004 % KCP_EXT Click and pop performance All dynamic power up/downs of audio channel except for faults. Includes In/Out of Mute, Power Up and power Down, Noise Gate mode entry and Exit. Measured at Peak A-weighted Voltage. RL = 8 Ω + 33 µH, Input = Digital Silence –68 dBV VOS_EX T Output Offset Voltage Idle channel –1 1 mV TAS2120 SLASFC6A – AUGUST 2024 – REVISED AUGUST 2025 www.ti.com 8 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: TAS2120 |
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