S1T2425A Samsung Semiconductor, Inc., S1T2425A Datasheet
S1T2425A
Related parts for S1T2425A
S1T2425A Summary of contents
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... SPEECH NETWORK WITH DIALER INTERFACE INTRODUCTION The S1T2425A is telephone speech network integrated circuit which includes transmit amp, receive amp, side tone amp, DC loop interface function, DTMF input, voltage regulator for speech, a regulated output voltage for a dialer, and equalization circuit . FEATURES • ...
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... S1T2425A ABSOLUTE MAXIMUM RATINGS Characteristic V Voltage + MT,MS inputs V LR Storage Temperature RECOMMENDED OPERATING CONDITIONS ( Characteristic I (Instantaneous) TXO V (Voltage :Speech Mode + Tone Dialing Mode Operating Temperature ELECTRICAL CHARACTERISTICS (T Characteristic SYSTEM SPECTIFICATIONS (Refer to Fig.3 and Fig.4) TX Gain from Gain Change ...
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... BIAS (STA) V Speech Mode,1 = 500 A SAT (MIC) I Dialing Mode,Pin 1=3.0V LKG (MIC) R Speech Mode RMT (SM) R Dialing Mode RMT (DM) t Dialing to Speech D (RMT 0. 2.5V V (EQ 0. 1.0V LR S1T2425A Min. Typ. Max. Unit 2.4 3.9 4 5.6 6.6 750 300 W 1650 0.45 0.52 0. 5.0 mV ...
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... S1T2425A ELECTRICAL CHARACTERISTICS (T Characteristic EQ Bias Voltage Speech Mode Pulse Mode Speech, Pulse Mode DIALING INTERFACE MT Input Resistance MT Input High Voltage MT Input Low Voltage MS Input Resistance MS Input High Voltage MS Input Low Voltage TI Input Resistance DTMF Gain LINE INTERFACE V+ Current (Pin 12 Grounded) Speech Mode ...
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... KA2425A S1T2425A 400mVrms 1.0V Figure 1. DTMF Driver Test 150K 503 8.2K 33K 150 KA2425A S1T2425A LOOP 203 600 Figure 2. Transmit and sidetone level test + LOOP 204 204 503 150 S1T2425A 5 ...
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... S1T2425A V+ 20mVrms 1KHz Figure 3. Impedance, Receive and Sidetone Rejection Test 6 SPEECH NETWORK WITH DIALER INTERFACE 150K 503 8.2K 33K KA2425A S1T2425A 203 LOOP 150 503 47 204 ...
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... SPEECH NETWORK WITH DIALER INTERFACE APPLICATION CIRCUIT H/S SW TIP - RING 102 383 + 14 103 220K 6 4.7K 3. KA2425A S1T2425A 393 11 10 120K + 22 F 383 S1T2425A 8.2K 223 1 MIC 102 2 200 2. SPEAKER 9 472 7 ...