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TAS5760L Datasheet(PDF) 10 Page - Texas Instruments |
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TAS5760L Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 77 page  TAS5760L SLOS782B – JULY 2013 – REVISED SEPTEMBER 2015 www.ti.com Speaker Amplifier in All Modes (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT BTL, Worst case over voltage, 10 mV gain settings |VOS|(SPK_ Speaker Amplifier DC Offset AMP) PBTL, Worst case over voltage, 15 mV gain settings (Hardware Control Mode. Speaker Amplifier Switching Frequency Additional switching rates fSPK_AMP(0) 16 fS when PWM_FREQ Pin = 0 available in Software Control Mode.) (Hardware Control Mode. Speaker Amplifier Switching Frequency Additional switching rates fSPK_AMP(1) 8 fS when PWM_FREQ Pin = 1 available in Software Control Mode.) PVDD = 15 V, TA = 25 °C, Die 120 m Ω Only On Resistance of Output MOSFET (both RDS(ON) PVDD= 15V, TA = 25 °C, high-side and low-side) Includes: Die, Bond Wires, 150 m Ω Leadframe fS = 44.1 kHz 3.7 fS = 48 kHz 4 –3-dB Corner Frequency of High-Pass fC Hz Filter fS = 88.2 kHz 7.4 fS = 96 kHz 8 7.10 Speaker Amplifier in Stereo Bridge-Tied Load (BTL) Mode input signal is 1 kHz Sine, specifications are over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PVDD = 12 V, SPK_GAIN[1:0] Pins = 00, - 66 - µVrms RSPK = 8Ω, A-Weighted ICN(SPK) Idle Channel Noise PVDD = 15 V, SPK_GAIN[1:0] Pins = 01, - 75 - µVrms RSPK = 8Ω, A-Weighted PVDD = 12 V, SPK_GAIN[1:0] Pins = 00, - 14.2 - W RSPK = 4Ω, THD+N = 0.1%, PVDD = 12 V, SPK_GAIN[1:0] Pins = 00, - 8 - W RSPK = 8Ω, THD+N = 0.1% Maximum Instantaneous PO(SPK) Output Power Per. Ch. PVDD = 15 V, SPK_GAIN[1:0] Pins = 01, - 21.9 - W RSPK = 4Ω, THD+N = 0.1%, PVDD = 15 V, SPK_GAIN[1:0] Pins = 01, - 12.5 - W RSPK = 8Ω, THD+N = 0.1% PVDD = 12 V, SPK_GAIN[1:0] Pins = 00, - 14 - W RSPK = 4Ω, THD+N = 0.1%, PVDD = 12 V, SPK_GAIN[1:0] Pins = 00, - 8 - W RSPK = 8Ω, THD+N = 0.1% Maximum Continuous PO(SPK) Output Power Per. Ch.(1) PVDD = 15 V, SPK_GAIN[1:0] Pins = 01, - 13.25 - W RSPK = 4Ω, THD+N = 0.1%, PVDD = 15 V, SPK_GAIN[1:0] Pins = 01, - 12.5 - W RSPK = 8Ω, THD+N = 0.1% (1) The continuous power output of any amplifier is determined by the thermal performance of the amplifier as well as limitations placed on it by the system around it, such as the PCB configuration and the ambient operating temperature. The performance characteristics listed in this section are achievable on the TAS5760L's EVM, which is representative of the poplular "2 Layers / 1oz Copper" PCB configuration in a size that is representative of the amount of area often provided to the amplifier section of popular consumer audio electronics. As can be seen in the instantaneous power portion of this table, more power can be delivered from the TAS5760L if steps are taken to pull more heat out of the device. For instance, using a board with more layers or adding a small heatsink will result in an increase of continuous power, up to and including the instantaneous power level. This behavior can also been seen in the POUT vs. PVDD plots shown in the typical performance plots section of this data sheet. 10 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated Product Folder Links: TAS5760L |
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