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LM4953 Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LM4953 Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 11 page  Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V DD) 4.5V Storage Temperature −65˚C to +150˚C Input Voltage -0.3V to V DD + 0.3V Power Dissipation (Note 3) Internally Limited ESD Susceptibility (Note 4) 2000V ESD Susceptibility (Note 5) 200V Junction Temperature 150˚C Thermal Resistance See AN-1187 ’Leadless Leadframe Packaging (LLP).’ Operating Ratings Temperature Range T MIN ≤ T A ≤ T MAX −40˚C ≤ T A ≤ 85˚C Supply Voltage (V DD) 1.6V ≤ V DD ≤ 4.2V Electrical Characteristics V DD = 3.6V The following specifications apply for V DD = 3.6V, AV-BTL = 6dB, ZL = 2µF+30 Ω unless otherwise specified. Limits apply to T A = 25˚C. See Figure 1. Symbol Parameter Conditions LM4953 Units (Limits) Typ (Note 6) Limit (Notes 7, 8) I DD Quiescent Power Supply Current V IN =0,RLOAD = 2µF+30 Ω 8 TBD mA (max) I standby Quiescent Power Supply Current Auto Standby Mode V IN =0,ZLOAD = 2µF+30 Ω 2.7 mA I SD Shutdown Current V SD = GND 0.1 1 µA (max) V SDIH Shutdown Voltage Input High SD1 SD2 0.7*CPVdd V (min) V SDIL Shutdown Voltage Input Low SD1 SD2 0.3*CPVdd V (max) T WU Wake-up Time 125 µsec V OS Output Offset Voltage 1 10 mV (max) V OUT Output Voltage Swing THD = 1% (max); f = 1kHz R L = 2µF+30 Ω, Mono BTL 12.6 Vpp THD+N Total Harmonic Distortion + Noise V OUT = 6Vp-p, fIN = 1kHz 0.02 % ∈ OS Output Noise A-Weighted Filter, V IN =0V 15 µV PSRR Power Supply Rejection Ratio V RIPPLE = 200mVp-p, f = 217Hz, Input Referred 67 dB V RIPPLE = 200mVp-p, f = 1kHz, Input Referred 65 dB SNR Signal-to-Noise Ratio Z L = 2µF+30 Ω,V OUT = 6Vp-p 105 dB Electrical Characteristics V DD = 3.0V The following specifications apply for V DD = 3.0V, AV-BTL = 6dB, ZL = 2µF+30 Ω unless otherwise specified. Limits apply to T A = 25˚C. See Figure 1. Symbol Parameter Conditions LM4953 Units (Limits) Typ (Note 6) Limit (Notes 7, 8) I DD Quiescent Power Supply Current V IN =0,ZLOAD = 2µF+30 Ω 7 10 mA (max) I standby Quiescent Power Supply Current Auto Standby Mode V IN =0,ZLOAD = 2µF+30 Ω 2.3 mA I SD Shutdown Current V SD-LC =VSD-RC = GND 0.1 1 µA (max) V SDIH Shutdown Voltage Input High SD1 SD2 0.7*CPVdd V (min) www.national.com 3 |
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