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LM1875T Datasheet(PDF) 3 Page - Texas Instruments |
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LM1875T Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page LM1875 www.ti.com SNAS524A – MAY 2004 – REVISED MAY 2004 Electrical Characteristics VCC=+25V, −VEE=−25V, TAMBIENT=25°C, RL=8Ω, AV=20 (26 dB), fo=1 kHz, unless otherwise specified. Parameter Conditions Typical Tested Limits Units Supply Current POUT=0W 70 100 mA Output Power(1) THD=1% 25 W THD(1) POUT=20W, fo=1 kHz 0.015 % POUT=20W, fo=20 kHz 0.05 0.4 % POUT=20W, RL=4Ω, fo=1 kHz 0.022 % POUT=20W, RL=4Ω, fo=20 kHz 0.07 0.6 % Offset Voltage ±1 ±15 mV Input Bias Current ±0.2 ±2 μA Input Offset Current 0 ±0.5 μA Gain-Bandwidth Product fo=20 kHz 5.5 MHz Open Loop Gain DC 90 dB PSRR VCC, 1 kHz, 1 Vrms 95 52 dB VEE, 1 kHz, 1 Vrms 83 52 dB Max Slew Rate 20W, 8 Ω, 70 kHz BW 8 V/ μs Current Limit VOUT = VSUPPLY −10V 4 3 A Equivalent Input Noise Voltage RS=600Ω, CCIR 3 μVrms (1) Assumes the use of a heat sink having a thermal resistance of 1°C/W and no insulator with an ambient temperature of 25°C. Because the output limiting circuitry has a negative temperature coefficient, the maximum output power delivered to a 4 Ω load may be slightly reduced when the tab temperature exceeds 55°C. Typical Applications For Single Supply Operation Figure 2. Copyright © 2004, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM1875 |
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