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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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LM4766 bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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LM4766 bảng dữ liệu(HTML) 4 Page - Texas Instruments |
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4 / 23 page  LM4766 SNAS031F – SEPTEMBER 1998 – REVISED MARCH 2013 www.ti.com ELECTRICAL CHARACTERISTICS (1) (2) The following specifications apply for VCC = +30V, VEE = −30V, IMUTE = −0.5mA with RL = 8Ω unless otherwise specified. Limits apply for TA = 25°C. Symbol Parameter Conditions LM4766 Units (Limits) Typical(3) Limit (4) 20 V (min) |VCC| + |VEE| Power Supply Voltage (5) GND − VEE ≥ 9V 18 60 V (max) NDL Package, VCC = ±30V,THD+N = 0.1% 40 30 W/ch (min) (max), Output Power (Continuous f = 1kHz, f = 20kHz PO (6) (7) Average) NDB Package, VCC = ±26V (7), 30 25 W/ch (min) THD+N = 0.1% (max), f = 1kHz, f = 20kHz NDL Package, 30W/ch, RL = 8Ω, 0.06 % 20Hz ≤ f ≤ 20kHz, AV = 26dB Total Harmonic Distortion THD+N Plus Noise NDB Package, 25W/ch, RL = 8Ω, 0.06 % 20Hz ≤ f ≤ 20kHz, AV = 26dB Xtalk Channel Separation f = 1kHz, VO = 10.9Vrms 60 dB SR(6) Slew Rate VIN = 1.2Vrms, trise = 2ns 9 5 V/ μs (min) Itotal (8) Total Quiescent Power Supply Both Amplifiers VCM = 0V, VO = 0V, IO = 0mA 48 100 mA (max) Current VOS (8) Input Offset Voltage VCM = 0V, IO = 0mA 1 10 mV (max) IB Input Bias Current VCM = 0V, IO = 0mA 0.2 1 μA (max) IOS Input Offset Current VCM = 0V, IO = 0mA 0.01 0.2 μA (max) IO Output Current Limit |VCC| = |VEE| = 10V, tON = 10ms, VO = 0V 4 3 Apk (min) |VCC–VO|, VCC = 20V, IO = +100mA 1.5 4 V (max) VOD (8) Output Dropout Voltage (9) |VO–VEE|, VEE = −20V, IO = −100mA 2.5 4 V (max) VCC = 30V to 10V, VEE = −30V, VCM = 0V, IO 125 85 dB (min) = 0mA PSRR (8) Power Supply Rejection Ratio VCC = 30V, VEE = −30V to −10V VCM = 0V, IO 110 85 dB (min) = 0mA CMRR (8) Common Mode Rejection Ratio VCC = 50V to 10V, VEE = −10V to −50V, VCM 110 75 dB (min) = 20V to −20V, IO = 0mA AVOL (8) Open Loop Voltage Gain RL = 2kΩ, ΔVO = 40V 115 80 dB (min) GBWP Gain Bandwidth Product fO = 100kHz, VIN = 50mVrms 8 2 MHz (min) eIN (6) IHF–A Weighting Filter, RIN = 600Ω (Input Input Noise 2.0 8 μV (max) Referred) PO = 1W, A–Weighted, Measured at 1kHz, 98 dB RS = 25Ω SNR Signal-to-Noise Ratio PO = 25W, A–Weighted Measured at 1kHz, 112 dB RS = 25Ω AM Mute Attenuation Pin 6,11 at 2.5V 115 80 dB (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 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 specifications 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 . (7) When using the isolated package (NDB), the θJC is 2°C/W verses 1°C/W for the non-isolated package (NDL). This increased thermal resistance from junction to case requires a lower supply voltage for decreased power dissipation within the package. Voltages higher than ±26V maybe used but will require a heat sink with less than 1°C/W thermal resistance to avoid activating thermal shutdown during normal operation. (8) DC Electrical Test; Refer to Test Circuit #1 . (9) The output dropout voltage, VOD, is the supply voltage minus the clipping voltage. Refer to the Clipping Voltage vs. Supply Voltage graph in the TYPICAL PERFORMANCE CHARACTERISTICS section. 4 Submit Documentation Feedback Copyright © 1998–2013, Texas Instruments Incorporated Product Folder Links: LM4766 |
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