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LM4941 データシート(PDF) 4 Page - Texas Instruments |
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LM4941 データシート(HTML) 4 Page - Texas Instruments |
4 / 21 page LM4941, LM4941SDBD, LM4941TMBD SNAS347C – JUNE 2006 – REVISED MAY 2013 www.ti.com Electrical Characteristics VDD = 5V (1)(2) (continued) The following specifications apply for VDD = 5V, AV = 1V/V, and 8Ω load unless otherwise specified. Limits apply for TA = 25°C. LM4941 Units Symbol Parameter Conditions (Limits) Typical(3) Limit(4)(5) f = 217Hz, VCM = 200mVP-P Sine 70 dB CMRR Common-Mode Rejection Ratio f = 20Hz–20kHz , VCM = 200mVpp 70 dB VOS Output Offset Voltage VIN = 0V 2 6 mV (max) VSDIH Shutdown Voltage Input High 1.4 V (min) VSDIL Shutdown Voltage Input Low 0.4 V (max) SNR Signal-to-Noise Ratio PO = 1W, f = 1kHz 108 dB TWU Wake-up Time from Shutdown CBYPASS = 1μF 12 ms Electrical Characteristics VDD = 3V (1) (2) The following specifications apply for VDD = 3V, AV = 1V/V, and 8Ω load unless otherwise specified. Limits apply for TA = 25°C. LM4941 Units Symbol Parameter Conditions (Limits) Typical(3) Limit(4)(5) VIN = 0V, no load 1.6 2.2 mA (max) IDD Quiescent Power Supply Current VIN = 0V, RL = 8Ω 1.6 mA ISD Shutdown Current VSHDN = GND 0.1 0.8 µA (max) THD+N = 1% (max); f = 1 kHz RL = 8Ω 0.43 W PO Output Power THD+N = 10% (max); f = 1 kHz RL = 8Ω 0.54 W THD+N Total Harmonic Distortion + Noise PO = 0.25W; f = 1kHz 0.05 % VRIPPLE = 200mVPP Sine PSRR Power Supply Rejection Ratio f = 217Hz(6) 95 dB f = 1kHz(6) 90 dB CMRR Common-Mode Rejection Ratio f = 217Hz, VCM = 200mVPP Sine 70 dB VOS Output Offset Voltage VIN = 0V 2 6 mV (max) VSDIH Shutdown Voltage Input High 1.4 V (min) VSDIL Shutdown Voltage Input Low 0.4 V (max) TWU Wake-up Time from Shutdown CBYPASS = 1μF 8 ms (1) All voltages are measured with respect to the ground 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 ensured 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 TI's AOQL (Average Outgoing Quality Level). (5) Datasheet min/max specification limits are specified by design, test, or statistical analysis. (6) 10 Ω terminated input. 4 Submit Documentation Feedback Copyright © 2006–2013, Texas Instruments Incorporated Product Folder Links: LM4941 LM4941SDBD LM4941TMBD |
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