Datenblatt-Suchmaschine für elektronische Bauteile |
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LM4947 Datenblatt(PDF) 7 Page - Texas Instruments |
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LM4947 Datenblatt(HTML) 7 Page - Texas Instruments |
7 / 37 page LM4947, LM4947TLEVAL www.ti.com SNAS349D – JUNE 2006 – REVISED MAY 2013 ELECTRICAL CHARACTERISTICS 5V (1) (2) The following specifications apply for VDD = 5V, TA = 25°C and all gains are set for 0dB unless otherwise specified. Symbol Parameter Conditions LM4947 Units (Limits) Typical(3) Limits(4) Output Modes 2, 4, 6 VIN = 0V; No load, 5.4 7.5 mA OCL = 0 (Table 2) IDDQ Quiescent Supply Current Output Modes 1, 3, 5, 7 VIN = 0V; No load, BTL, 7.6 12 mA OCL = 0 (Table 2) ISD Shutdown Current Output Mode 0 0.1 1 µA (max) VIN = 0V, Mode 7, Mono 2 15 mV (max) VOS Output Offset Voltage VIN = 0V, Mode 7, Headphones 2 15 mV (max) MONOOUT; RL = 8Ω 1.19 W THD+N = 1%; f = 1kHz, BTL, Mode 1 PO Output Power ROUT and LOUT; RL = 32Ω 87 mW THD+N = 1%; f = 1kHz, SE, Mode 4 MONOOUT f = 1kHz, POUT = 500mW; 0.04 % RL = 8Ω, BTL, Mode 1 THD+N Total Harmonic Distortion + Noise ROUT and LOUT f = 1kHz, POUT = 30mW; 0.01 % RL = 32Ω, SE, Mode 4 A-weighted, 0dB inputs terminated, output referred Speaker; Mode 1 38 μV Speaker; Mode 3 38 μV Speaker; Mode 5 39 μV Speaker; Mode 7 36 μV NOUT Output Noise Headphone; SE, Mode 2 21 μV Headphone; SE, Mode 4 21 μV Headphone; SE, Mode 6 24 μV Headphone; OCL, Mode 2 16 μV Headphone; OCL, Mode 4 16 μV Headphone; OCL, Mode 6 19 μV (1) Operating Ratings indicate conditions for which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. (2) All voltages are measured with respect to the ground pin, unless otherwise specified. (3) Typical specifications are specified at +25°C and represent the most likely parametric norm. (4) Tested limits are specified to AOQL (Average Outgoing Quality Level). Copyright © 2006–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM4947 LM4947TLEVAL |
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