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TLV320AIC1110 Datasheet(PDF) 10 Page - Texas Instruments |
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TLV320AIC1110 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 39 page TLV320AIC1110 SLAS359 – DECEMBER 2001 10 www.ti.com electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless otherwise noted) (continued) digital interface PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH High-level output voltage PCMO (BUZZCON) IOH = – 3.2 mA, VDD = 3 V DVDD– 0.25 V VOL Low-level output voltage PCMO IOL = 3.2 mA, VDD = 3 V 0.25 V IIH High-level input current, any digital input VI = VDD 10 µA IIL Low-level input current, any digital input VI = VSS 10 µA Ci Input capacitance 10 pF Co Output capacitance 20 pF RL Load impedance (BUZZCON) 5 k Ω microphone interface PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIO Input offset voltage at MIC1N, MIC2N See Note 4 – 5 5 mV IIB Input bias current at MIC1N, MIC2N – 300 300 nA Ci Input capacitance at MIC1N, MIC2N 5 pF Vn Microphone input referred noise, psophometrically weighted, (C-message weighted is similar) MIC amp 1 gain = 23.5 dB MIC amp 2 gain = 0 dB 3 4.7 µVrms IOmax Output source current—MBIAS 1 1.2 mA V(mbias) Microphone bias supply voltage (see Note 5) 2.3 2.5 2.65 V MICMUTE – 80 dB Input impedance Fully differential 35 60 100 k Ω NOTES: 4. Measured while MIC1P and MIC1N are connected together. Less than 0.5-mV offset results in 0 value code on PCMOUT. 5. Not a JEDEC symbol. |
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