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LM1876T データシート(PDF) 4 Page - Texas Instruments |
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LM1876T データシート(HTML) 4 Page - Texas Instruments |
4 / 27 page LM1876 SNAS097C – MAY 1999 – REVISED APRIL 2013 www.ti.com Electrical Characteristics (1) (2) The following specifications apply for VCC = +22V, VEE = −22V with RL = 8Ω unless otherwise specified. Limits apply for TA = 25°C. Symbol Parameter Conditions LM1876 Units (Limits) Typical(3 Limit(4) ) |VCC| + Power Supply Voltage (5) GND − VEE ≥ 9V 20 V (min) |VEE| 64 V (max) PO (6) Output Power THD + N = 0.1% (max), (Continuous Average) f = 1 kHz |VCC| = |VEE| = 22V, RL = 8Ω 20 15 W/ch (min) |VCC| = |VEE| = 20V, RL = 4Ω (7) 22 15 W/ch (min) THD + N Total Harmonic Distortion 15 W/ch, RL = 8Ω 0.08 % Plus Noise 15 W/ch, RL = 4Ω, |VCC| = |VEE| = 20V 0.1 % 20 Hz ≤ f ≤ 20 kHz, AV = 26 dB Xtalk Channel Separation f = 1 kHz, VO = 10.9 Vrms 80 dB SR (6) Slew Rate VIN = 1.414 Vrms, trise = 2 ns 18 12 V/ μs (min) Itotal (8) Total Quiescent Power Both Amplifiers VCM = 0V, Supply Current VO = 0V, IO = 0 mA Standby: Off 50 80 mA (max) Standby: On 4.2 6 mA (max) VOS (8) Input Offset Voltage VCM = 0V, IO = 0 mA 2.0 15 mV (max) IB Input Bias Current VCM = 0V, IO = 0 mA 0.2 0.5 μA (max) IOS Input Offset Current VCM = 0V, IO = 0 mA 0.002 0.2 μA (max) IO Output Current Limit |VCC| = |VEE| = 10V, tON = 10 ms, 3.5 2.9 Apk (min) VO = 0V VOD (8) Output Dropout Voltage (9) |VCC–VO|, VCC = 20V, IO = +100 mA 1.8 2.3 V (max) |VO–VEE|, VEE = −20V, IO = −100 mA 2.5 3.2 V (max) PSRR (8) Power Supply Rejection Ratio VCC = 25V to 10V, VEE = −25V, 115 85 dB (min) VCM = 0V, IO = 0 mA VCC = 25V, VEE = −25V to −10V 110 85 dB (min) VCM = 0V, IO = 0 mA CMRR (8) Common Mode Rejection Ratio VCC = 35V to 10V, VEE = −10V to −35V, 110 80 dB (min) VCM = 10V to −10V, IO = 0 mA AVOL (8) Open Loop Voltage Gain RL = 2 kΩ, Δ VO = 20 V 110 90 dB (min) GBWP Gain Bandwidth Product fO = 100 kHz, VIN = 50 mVrms 7.5 5 MHz (min) (1) All voltages are measured with respect to the GND pins (5, 10), 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 specify performance limits. This assumes that the device is within the Operating Ratings. Specifications are not ensure 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 ensure that all parts are tested in production to meet the stated values. (5) VEE must have at least −9V at its pin with reference to ground in order for the under-voltage protection circuitry to be disabled. In addition, the voltage differential between VCC and VEE must be greater than 14V. (6) AC Electrical Test; Refer to Test Circuit #2 (AC Electrical Test Circuit). (7) For a 4 Ω load, and with ±20V supplies, the LM1876 can deliver typically 22W of continuous average output power with less than 0.1% (THD + N). With supplies above ±20V, the LM1876 cannot deliver more than 22W into a 4 Ω due to current limiting of the output transistors. Thus, increasing the power supply above ±20V will only increase the internal power dissipation, not the possible output power. Increased power dissipation will require a larger heat sink as explained in Application Information. (8) DC Electrical Test; Refer to Test Circuit #1 (DC Electrical Test Circuit). (9) The output dropout voltage, VOD, is the supply voltage minus the clipping voltage. Refer to Figure 16, Figure 17, and Figure 18 in Typical Performance Characteristics. 4 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM1876 |
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同様の説明 - LM1876T |
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