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LM4919 数据表(PDF) 4 Page - National Semiconductor (TI) |
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LM4919 数据表(HTML) 4 Page - National Semiconductor (TI) |
4 / 15 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage 3.6V Storage Temperature −65˚C to +150˚C Input Voltage −0.3V to V DD +0.3V Power Dissipation (Note 2) Internally limited ESD Susceptibility(Note 3) 2000V ESD Susceptibility (Note 4) 200V Junction Temperature 150˚C Thermal Resistance θ JA (typ) MUB10A 175˚C/W Operating Ratings Temperature Range T MIN ≤ T A ≤ T MAX −40˚C ≤ T A ≤ 85˚C Supply Voltage 0.9V ≤ V DD ≤ 2.5V Electrical Characteristics for the LM4919 (Notes 1, 5) The following specifications apply for the circuit shown in Figure 4 operating with V DD = 1. 5V, unless otherwise specified. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4919 Units (Limits) Typical Limit (Note 6) (Note 7) V DD Supply Voltage (Notes 10, 11) 0.9 V (min) 2.5 V (max) I DD Quiescent Power Supply Current V IN = 0V, IO = 0A, RL = ∞ (Note 8) 0.9 1.4 mA (max) I SD Shutdown Current V SHUTDOWN = GND 0.02 µA V OS Output Offset Voltage BTL 5 50 mV (max) P O Output Power (Note 9) f = 1kHz R L =8 Ω BTL, THD+N = 1% 85 70 mW (min) R L =16 Ω SE, THD+N = 1% 14 mW (min) THD+N Total Harmonic Distortion + Noise R L =8 Ω, BTL, P O = 25mW, f = 1kHz 0.2 0.5 % (max) R L =16 Ω, SE, P O = 5mW, f = 1kHz 0.07 V NO Output Voltage Noise 20Hz to 20kHz, A-weighted SE 10 µV RMS 20Hz to 20kHz, A-weighted BTL 15 µV RMS I MUTE Mute Current V MUTE =0,SE 15 µA Crosstalk R L =16 Ω,SE 55 dB PSRR Power Supply Rejection Ratio V RIPPLE = 200mVP-P C BYPASS = 4.7µF, RL =8 Ω f = 1kHz, BTL 70 dB V RIPPLE = 200mVP-P sine wave C BYPASS = 4.7µF, RL =16 Ω f = 1kHz, SE 72 dB V IH Control Logic High 0.9 V V IL Control Logic Low 0.3 V Note 1: 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 guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device performance. Note 2: The maximum power dissipation is dictated by TJMAX, θJA, and the ambient temperature TA and must be derated at elevated temperatures. The maximum allowable power dissipation is PDMAX =(TJMAX −TA)/θJA. For the LM4919, TJMAX = 150˚C. For the θJAs, please see the Application Information section or the Absolute Maximum Ratings section. Note 3: Human body model, 100pF discharged through a 1.5k Ω resistor. Note 4: Machine model, 220pF–240pF discharged through all pins. Note 5: All voltages are measured with respect to the ground (GND) pins unless otherwise specified. Note 6: Typicals are measured at 25˚C and represent the parametric norm. Note 7: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis. Note 8: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier. Note 9: Output power is measured at the device terminals. www.national.com 4 |
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类似说明 - LM4919 |
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