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SA2531 Datasheet(PDF) 2 Page - Sames |
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SA2531 Datasheet(HTML) 2 Page - Sames |
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2 / 24 page  2/24 SA2531 A/B/C/E/G/U sames PIN CONFIGURATIONS PACKAGE Available in 28 pin DIP and PLCC PIN DESCRIPTION Pin# Symbol Function 23 M1 Microphone Inputs 24 M2 Differential inputs for the microphone (electret). 3 RO1 Receiver Outputs 2 RO2 These are the outputs for driving a dynamic earpiece with an impedance of 150 to 300 Ω 5A GND Analogue Ground This is the analog ground for the amplifiers. 28 RI Receive Input This is the input for the receive signal. 6 STB Side Tone Balance Input This is the input for side tone cancellation. 1LS Line Current Sense Input This is the input for sensing the line current. 27 LI Line Input This input is used for power extraction and line current sensing. 28 Pin PLCC 28 Pin DIP |
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