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LM48821TLEVAL Datasheet(PDF) 5 Page - Texas Instruments |
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LM48821TLEVAL Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 24 page  LM48821, LM48821TLEVAL www.ti.com SNAS354A – JUNE 2007 – REVISED MAY 2013 Audio Amplifier Electrical Characteristics VDD = 3V (1) (continued) The following specifications apply for VDD = 3V, RL = 16Ω, AV = 0dB, unless otherwise specified. Limits apply for TA = 25°C. LM48821 Units Symbol Parameter Conditions Typical (2) Limits (Limits) (3) (4) THD+N = 1% (max); fIN = 1kHz, 52 43 mW (min) RL = 16Ω, per channel THD+N = 1% (max); fIN = 1kHz, 53 45 mW (min) RL = 32Ω, per channel POUT Output Power THD+N = 1% (max); fIN = 1kHz, 93 80 mW (min) RL = 16Ω, single channel driven THD+N = 1% (max); fIN = 1kHz, 79 mW RL = 32Ω, single channel driven POUT = 50mW, f = 1kHz 0.022 % RL = 16Ω, single channel Total Harmonic Distortion + THD+N Noise POUT = 50mW, f = 1kHz 0.011 % RL = 32Ω, single channel VRIPPLE = 200mVP-P, input referred f = 217Hz 82 65 dB (min) PSRR Power Supply Rejection Ratio f = 1kHz 80 dB f = 20kHz 55 dB VRIPPLE = 200mVp-p, Input referred CMRR Common Mode Rejection Ratio 65 dB f = 2kHz RL = 32Ω, POUT = 20mW, SNR Signal-to-Noise-Ratio 100 dB f = 1kHz, BW = 20Hz to 22kHz TWU Charge Pump Wake-Up Time 400 μs RL = 16Ω, POUT = 1.6mW, XTALK Crosstalk 82 dB f = 1kHz, A-weighted filter ZOUT Output Impedance Right and Left Enable bits set to 0 41 k Ω Control Interface Electrical Characteristics (1) The following specifications apply for 1.8V ≤ I 2CV DD ≤ 4.0V, unless otherwise specified. Limits apply for TA = 25°C. See Figure 56. LM48821 Units Symbol Parameter Conditions (Limits) Typical (2) Limits (3) (4) t1 SCL period 2.5 μs (min) t2 SDA Setup Time 100 ns (min) t3 SDA Stable Time 0 ns (min) t4 Start Condition Time 100 ns (min) t5 Stop Condition Time 100 ns (min) VIH Logic High Input Threshold 0.7 x I2CVDD V (min) VIL Logic Low Input Threshold 0.3 x I2CVDD V (max) (1) All voltages are measured with respect to the GND pin unless otherwise specified. (2) Typicals are measured at +25°C and represent the parametric norm. (3) Limits are specified to AOQL (Average Outgoing Quality Level). (4) Data sheet min and /max specification limits are specified by design, test, or statistical analysis. Copyright © 2007–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM48821 LM48821TLEVAL |
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