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TAS5805MPWPR 数据表(PDF) 7 Page - Texas Instruments |
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TAS5805MPWPR 数据表(HTML) 7 Page - Texas Instruments |
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7 / 86 page  7 TAS5805M www.ti.com SLASEH5A – MAY 2018 – REVISED JULY 2018 Product Folder Links: TAS5805M Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Electrical Characteristics (continued) Free-air room temperature 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OCETHRES Over-Current Error Threshold OUTxx Overcurrent Error Threshold 5 A OVETHRES(PVDD PVDD over voltage error threshold 28 V UVETHRES(PVDD PVDD under voltage error threshold 4.2 V OTETHRES Over temperature error threshold 160 °C OTEHystersis Over temperature error hysteresis 10 °C OTWTHRES Over temperature warning level Read by register 0x73 bit3 135 °C SPEAKER AMPLIFIER (STEREO BTL) |VOS| Amplifier offset voltage Measured differentially with zero input data, programmable gain configured with 29.5 Vp gain, VPVDD = 12 V, BD Mode –6.5 6.5 mV PO(SPK) Continuous Output power (per channel) VPVDD = 21V, SPK_GAIN = 24.8 Vp/FS, RSPK = 8 Ω, f = 1 kHz, THD+N = 1%, 1SPW Mode 23 W VPVDD = 21 V, SPK_GAIN = 24.8 Vp/FS, RSPK = 8 Ω, f = 1 kHz, THD+N = 10%, 1SPW Mode 27.5 W VPVDD = 18 V, SPK_GAIN = 20.8 Vp/FS, RSPK = 6 Ω, f = 1 kHz, THD+N = 1%, BD Mode 21 W VPVDD = 18 V, SPK_GAIN = 20.8 Vp/FS, RSPK = 6 Ω, f = 1 kHz, THD+N = 10%, BD Mode 25 W VPVDD = 12 V, SPK_GAIN = 13.9 Vp/FS, RSPK = 6 Ω, f = 1 kHz THD+N = 1%, BD Mode 9.9 W VPVDD = 12 V, SPK_GAIN = 13.9 Vp/FS, RSPK = 6 Ω, f = 1 kHz THD+N = 10%, BD Mode 12 W VPVDD = 13.5 V, SPK_GAIN = 15.6 Vp/FS, RSPK = 6 Ω, f = 1 kHz THD+N = 1%, BD Mode 12 W VPVDD = 13.5 V, SPK_GAIN = 15.6 Vp/FS, RSPK = 6 Ω, f = 1 kHz THD+N = 10%, BD Mode 15 W THD+NSPK Total harmonic distortion and noise (PO = 1 W, f = 1 KHz, RSPK = 6 Ω) VPVDD = 12 V, Fsw=768kHz, SPK_GAIN = 13.9 Vp/FS, LC-filter, BD Mode 0.03% VPVDD = 18 V, Fsw=768kHz, SPK_GAIN = 20.8 Vp/FS, LC-filter, BD Mode 0.03% ICN(SPK) Idle channel noise(A- weighted) VPVDD = 12 V, Fsw=768kHz, LC-filter, Load=6 Ω 37 µVrms VPVDD = 18 V, Fsw=768kHz, LC-filter, Load=6 Ω 38 DR Dynamic range A-Weighted, -60 dBFS method. PVDD = 24 V, SPK_GAIN = 29.5 Vp/FS 106 dB SNR Signal-to-noise ratio A-Weighted, referenced to 1% THD+N output level, PVDD=24V 111 dB A-Weighted, referenced to 1% THD+N output level, PVDD=13.5V 107.5 dB KSVR Power supply rejection ratio Injected Noise = 1 KHz, 1 Vrms, PVDD = 12 V, input audio signal = digital zero 72 dB X-talkSPK Cross-talk (worst case between left-to-right and right-to-left coupling) f = 1 kHz 100 dB SPEAKER AMPLIFIER (MONO PBTL) PO(SPK) Continuous Output Power VPVDD = 12 V, SPK_GAIN = 13.9 Vp/FS, RSPK = 4 Ω, f = 1kHz, THD+N = 1%, BD Mode 15.4 W VPVDD = 12 V, SPK_GAIN = 13.9 Vp/FS, RSPK = 4 Ω, f = 1kHz, THD+N = 10%, BD Mode 18.5 W VPVDD = 18V, SPK_GAIN = 22.1 Vp/FS, RSPK = 4 Ω, f = 1kHz, THD+N = 1%, BD Mode 33.6 W VPVDD = 18 V, SPK_GAIN = 22.1 Vp/FS, RSPK = 4 Ω, f = 1kHz, THD+N = 10%, BD Mode 41 W |
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