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LM4951SD Folha de dados(PDF) 5 Page - Texas Instruments |
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LM4951SD Folha de dados(HTML) 5 Page - Texas Instruments |
5 / 22 page LM4951 www.ti.com SNAS244N – AUGUST 2004 – REVISED MAY 2013 Electrical Characteristics VDD = 3.3V (1) (2) The following specifications apply for VDD = 3.3V, AV-BTL = 6dB, RL = 8Ω unless otherwise specified. Limits apply for TA = 25°C. Symbol Parameter Conditions LM4951 Units (Limits) Typical(3) Limit(4)(5) IDD Quiescent Power Supply Current VIN = 0V, IO = 0A,RL = 8Ω 2.5 4.5 mA (max) ISD Shutdown Current VSHUTDOWN = GND (6) 0.01 2 µA (max) VOS Offset Voltage 3 30 mV (max) VSDIH Shutdown Voltage Input High 1.2 V (min) VSDIL Shutdown Voltage Input Low 0.4 V (max) TWU Wake-up Time CB = 1.0µF 25 ms (max) Tsd Shutdown time CB = 1.0µF 10 ms (max) THD = 1% (max); f = 1kHz PO Output Power 280 230 mW (min) RL = 8Ω Mono BTL PO = 100mWrms; f = 1kHz THD+N Total Harmomic Distortion + Noise1 0.07 0.5 % (max) AV-BTL = 6dB PO = 100mWrms; f = 1kHz THD+N Total Harmomic Distortion + Noise1 0.35 % AV-BTL = 26dB A-Weighted Filter, Ri = Rf = 20kΩ εOS Output Noise 10 µV Input Referred, Note 10 VRIPPLE = 200mVp-p, f = 217Hz, PSRR Power Supply Rejection Ratio 71 61 dB (min) CB = 1μF, Input Referred (1) All voltages are measured with respect to the GND pin, unless otherwise specified. (2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not specified for parameters where no limit is given, however, the typical value is a good indication of device performance. (3) Typicals are measured at 25°C and represent the parametric norm. (4) Limits are specified to AOQL (Average Outgoing Quality Level). (5) Datasheet min/max specification limits are specified by design, test, or statistical analysis. (6) Shutdown current is measured in a normal room environment. The Shutdown pin should be driven as close as possible to GND for minimum shutdown current. Copyright © 2004–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM4951 |
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