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AS2522B Datasheet(PDF) 3 Page - ams AG |
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AS2522B Datasheet(HTML) 3 Page - ams AG |
3 / 20 page Data Sheet AS2522B austriamicrosystems Revision 3.4 Page 2 of 19 Pin description Pin # Symbol Function 13 LS Line Current Sense Input Analog input for sensing the line current 10 LI Line Input Analog input used for power extraction and line current sensing 11 RI Receive Input Analog input for ac-separated receive signal 7STB Side Tone Balance Input Analog input for side tone cancellation network 8CS Current Shunt Control Output N-channel open drain output to control the external high power shunt transistor for synthesizing AC- and DC-impedance, modulation of line voltage and shorting the line during make periods of pulse dialing 14 CI Complex Impedance Input Analog input pin for the capacitor to program a complex impedance 12 SS Supply Source Control Output N-channel open drain output to control the external high power source transistor for supplying (Vpp) the loudspeaker amplifier in off-hook loudspeaking/handsfree mode 9 VSS Voltage Source Source Negative Analog Power Supply 18 VDD Voltage Drain Drain Positive Analog Power Supply 19 AGND Analog Ground Special ground for the internal amplifiers 6M1 Microphone Input 1 Differential input for the handset microphone (electret) 4M2 Microphone Input 2 Differential input for the handset microphone (electret) 5M3 Microphone Input 3 Differential input for the handsfree microphone (electret) 3M4 Microphone Input 4 Differential input for the handsfree microphone (electret) 17 RO Receive Output to Handset Output for driving a dynamic earpiece with an impedance from 150 Ω to 300Ω 31 OSC Oscillator Input Input for ceramic resonator 3.58MHz. |
Similar Part No. - AS2522B_03 |
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Similar Description - AS2522B_03 |
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