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E-STLC3075 View Datasheet(PDF) - STMicroelectronics

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E-STLC3075 Datasheet PDF : 36 Pages
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List of figures
List of figures
STLC3075
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Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
DC characteristics in HI-Z mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
DC characteristics in active mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
TIP/RING typical transition from direct to reverse polarity . . . . . . . . . . . . . . . . . . . . . . . . . 12
Metering pulse generation circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
TIP/RING typical ringing waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Application diagram with N-channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Application diagram without metering pulse generation with N-channel. . . . . . . . . . . . . . . 23
Application diagram with P-channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Application diagram without metering pulse generation . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2W return loss 2WRL = 20Log(|Zref + Zs|/|Zref-Zs|) = 20Log(E/2Vs) . . . . . . . . . . . . . . . . 28
THL trans hybrid loss THL = 20Log|Vrx/Vtx/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
G24 transmit gain G24 = 20Log|2Vtx/E| . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
G42 receive gain G42 = 20Log|VI/Vrx| . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
PSRRC power supply rejection VPOS to 2W port PSSRC = 20Log|Vn/Vl| . . . . . . . . . . . . 30
L/T longitudinal to transversal conversion L/T = 20Log|Vcm/Vl| . . . . . . . . . . . . . . . . . . . . . 30
T/L transversal to longitudinal conversion T/L = 20Log|Vrx/Vcm|. . . . . . . . . . . . . . . . . . . . 30
VTTX metering pulse level on line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
V2Wp and W4Wp: Idle channel sophometric noise at line and TX.
V2Wp = 20Log|Vl/0.774l|; V4Wp = 20Log|Vtx/0.774l| . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Simplified configuration for indoor over voltage protection . . . . . . . . . . . . . . . . . . . . . . . . . 32
Standard over voltage protection configuration for K20 compliance . . . . . . . . . . . . . . . . . 32
Typical state diagram for STLC3075 operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
LQFP44 (10 x 10 x 1.4 mm) mechanical data and package dimensions . . . . . . . . . . . . . . 34
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