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STW5095T 데이터시트(PDF) 54 Page - STMicroelectronics |
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STW5095T 데이터시트(HTML) 54 Page - STMicroelectronics |
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54 / 69 page ![]() 9 Electrical Characteristics STw5095 54/69 9.3 Analog interfaces 9.4 Headset plug-in and push-button detector Symbol Parameter Test Condition Min. Typ. Max. Unit IMIC MIC input leakage GND< VMIC< VCCA -100 +100 µA RMIC MIC input resistance 30 50 k Ω RLIN Line in input resistance 30 k Ω RLHP Headphones (HP) drivers load resistance HPL, HPR to GNDP or VCMHP 14.4 16/32 Ω CLHP Headphones (HP) drivers load capacitance HPL, HPR to GNDP or VCMHP 50 50* pF nF RLLS Loudspeaker (LS) differential driver load resistance LSP to LSN 6.4 8 Ω CLLS Loudspeaker (LS) differential driver load capacitance LSP to LSN 50 50* pF nF VOFFLS Differential offset voltage at LSP, LSN RL =50Ω -50 +50 mV RLOL Line out (OL) diff./single- ended driver load resistance OLP/ORP to OLN/ORN or OLP/ORP to GND (decoupled) 1k Ω CLOL Line out (OL) diff./single- ended driver load capacitance OLP/ORP to OLN/ORN or OLP/ORP to GND TBD * with series resistor Symbol Parameter Test Condition Min. Typ. Max. Unit HDVL Plug-in detected Voltage at HDET VCCA-1 V HDVH Plug-in undetected Voltage at HDET VCCA-0.5 V HDH Plug-in detector hysteresis 100 mV PBVL Push-button pressed Voltage at HDET 0.5 V PBVH Push-button released Voltage at HDET 1 V PBD Push-button de-bounce time 15 50 ms |
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