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KA2425 データシート(PDF) 3 Page - Samsung semiconductor |
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KA2425 データシート(HTML) 3 Page - Samsung semiconductor |
3 / 6 page KA2425A SPEECH NETWORK WITH DIALER INTERFACE ECTRICAL CHARACTERISTICS (Continued) Characteristic Symbol Test Conditions Min Typ Max Unit SYSTEM AMPLIFIERS TX Gain TXO Bias Voltage TXO Bias Voltage TXO Bias Voltage TXO Bias Voltage TXI input Resistance GV (TX) VBIAS (SPM) VBIAS (TM) VOL (SPM) VOL (SPM) RI (TXI) TXI to TXO Speech/Pulse Mode Tone Mode Speech/Pulse Mode Speech/Pulse Mode 24 0.45 VR -25 VR -25 - - 26 0.52 VR -5.0 VR -5.0 125 10 28 0.60 - - 250 - dB xVR mV mV mV K Ω RX RXO Bias voltage RXO Source current RXO Source current RXO High Voltage RXO Low Voltage VBIAS (AM) ISOURCE (SM) ISOURCE (PTM) VOH (AM) VOL (AM) All Mode Speech Mode Pulse/tone Mode All Mode All Mode 0.45 1.5 200 VR -100 - 0.52 2.0 400 VR -50 50 0.60 - - - 150 xVR mA µA mV mV SIDETONE AMPLIFIER Gain (TXO to STA) Speech Mode Speech Mode Pulse Mode Pulse Mode @VLR = 0.5V @VLR = 2.5V @VLR = 0.2V @VLR = 1.0V - - - - -15 -21 -15 -21 - - - - dB STA Bias Voltage VBIAS (STA) All Modes 0.65 0.8 0.9 xVR MICROPHONE, RECEIVER CONTROLS MIC Saturation Voltage VSAT (MIC) Speech Mode,1 = 500 µA - 50 125 mV MIC Leakage Current ILKG (MIC) Dialing Mode, Pin 1=3.0V - 0 5.0 µA RRMT (SM) RRMT (DM) Speech Mode Dialing Mode - 5.0 8.0 10 15 18 Ω K Ω RMT Delay tD (RMT) Dialing to Speech 2.0 4.0 20 ms EQUALIZATION AMPLIFIER GAIN (V + to EQ) Speech Mode Speech Mode Pulse Mode Pulse Mode GV (EQ) @ VLR = 0.5V @ VLR = 2.5V @ VLR = 0.2V @ VLR = 1.0V - - - - -12 -2.5 -12 -2.5 - - - - dB EQ Bias Voltage Speech Mode Pulse Mode Speech, Pulse Mode VBIAS (EQ) @ VLR = 0.5V @ VLR = 0.5V @ VLR = 2.5V - - - 0.66 1.3 3.3 - - - Vdc GV (STA) RMT Resistance |
同様の部品番号 - KA2425 |
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同様の説明 - KA2425 |
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