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TAS5142 Datasheet(PDF) 9 Page - Texas Instruments |
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TAS5142 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 27 page www.ti.com AUDIO SPECIFICATIONS (PBTL) TAS5142 SLES126B – DECEMBER 2004 – REVISED MAY 2005 AUDIO SPECIFICATIONS (Single-Ended Output) (continued) PVDD_X = 32 V, GVDD = VDD = 12 V, SE mode, R L = 4 Ω, audio frequency = 1 kHz, AES17 filter, FPWM = 384 kHz, case temperature = 75°C, unless otherwise noted. Audio performance is recorded as a chipset, using TAS5086 PWM processor with an effective modulation index limit of 96.1%. All performance is in accordance with recommended operating conditions unless otherwise specified. unless otherwise specified. TAS5142 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX RL = 3 Ω, 10% THD, clipped input 40 signal RL = 4 Ω, 10% THD, clipped input 30 signal PO Power output per channel, DKD package W RL = 3 Ω, 0 dBFS, unclipped input 30 signal RL = 4 Ω, 0 dBFS, unclipped input 20 signal 0 dBFS 0.2% THD+N Total harmonic distortion + noise 1 W 0.1% Vn Output integrated noise A-weighted 90 µV SNR Signal-to-noise ratio(1) A-weighted 100 dB A-weighted, input level = –60 dBFS DNR Dynamic range 100 dB using TAS5508 modulator Pidle Power dissipation due to idle losses (IPVDD_X) PO = 0 W, 4 channels switching(2) 2 W (1) SNR is calculated relative to 0-dBFS input level. (2) Actual system idle losses are affected by core losses of output inductors. PVDD_X = 32 V, GVDD = VDD = 12 V, PBTL mode, R L = 3 Ω, audio frequency = 1 kHz, AES17 filter, FPWM = 384 kHz, case temperature = 75°C, unless otherwise noted. Audio performance is recorded as a chipset, using TAS5508 PWM processor with an effective modulation index limit of 96.1%. All performance is in accordance with recommended operating conditions unless otherwise specified. TAS5142 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX RL = 3 Ω, 10% THD, clipped input 160 signal RL = 2 Ω, 10% THD, clipped input 200 signal PO Power output per channel, DKD package W RL = 3 Ω, 0 dBFS, unclipped input 120 signal RL = 2 Ω, 0 dBFS, unclipped input 150 signal 0 dBFS 0.2% THD+N Total harmonic distortion + noise 1 W 0.1% Vn Output integrated noise A-weighted 140 µV SNR Signal-to-noise ratio(1) A-weighted 102 dB A-weighted, input level = –60 dBFS 102 using TAS5508 modulator DNR Dynamic range dB A-weighted, input level = –60 dBFS 110 using TAS5518 modulator Pidle Power dissipation due to idle losses (IPVDD_X) PO = 0 W, 1 channel switching(2) 2 W (1) SNR is calculated relative to 0-dBFS input level. (2) Actual system idle losses are affected by core losses of output inductors. 9 |
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