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TCM320AC46 Datasheet(PDF) 10 Page - Texas Instruments |
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TCM320AC46 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 19 page TCM320AC46 GENERALPURPOSE AUDIO INTERFACE FOR DSP SLWS001 − D4091, JUNE 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 10 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) digital interface PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VOH High-level output voltage DOUT IOH = − 3.2 mA, VCC = 5 V 2.4 4.6 V VOL Low-level output voltage DOUT IOL = 3.2 mA, VCC = 5 V 0.2 0.4 V IIH High-level input current Any digital input VI = 2.2 V to VCC 20 µA IIL Low-level input current Any digital input VI = 0 to 0.8 V 20 µA Ci Input capacitance 5 pF Co Output capacitance 5 pF microphone interface‡ PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIO Input offset voltage at MICIN VI = 0 to 5 V ±15 mV IIB Input bias current at MICIN ±200 nA B1 Unity-gain bandwidth, open loop at MICIN 1 MHz Ci Input capacitance at MICIN 5 pF AV Large-signal voltage amplification at MICGS 10000 V/V Output level at MICGS with MICMUTE active VI = 4 V −80 dBm0 IO(max) Maximum output current VMID 1 µA IO(max) Maximum output current MICBIAS 1 mA speaker interface‡ PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT IIL Input leakage at EARGS VI = 0 to 5 V ±300 nA VO(PP) AC output voltage peak-to-peak 3 VPP VOO Output offset voltage at EARA, EARB (single-ended) Relative to GND 100 mV Ro Output resistance at EARA, EARB 1 Ω IO(max) Maximum output current RL = 600 Ω ±8 mA AV Large-signal voltage amplification 4 V/V Gain change EARMUTE low, max level when muted −80 dB † All typical values are at VCC = 5 V, TA = 25°C. ‡ All parameters are measured between MICIN and GND (unless otherwise noted). |
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