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DS26519G Datasheet(PDF) 21 Page - Maxim Integrated Products |
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DS26519G Datasheet(HTML) 21 Page - Maxim Integrated Products |
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21 / 310 page  DS26519 16-Port T1/E1/J1 Transceiver 21 of 310 NAME PIN TYPE FUNCTION ANALOG RECEIVE RTIP1 B4 RTIP2 T2 RTIP3 U1 RTIP4 Y2 RTIP5 AA20 RTIP6 J21 RTIP7 G21 RTIP8 C21 RTIP9 AB13 RTIP10 AB15 RTIP11 AB17 RTIP12 M22 RTIP13 A11 RTIP14 A9 RTIP15 B6 RTIP16 N1 Analog Input Receive Bipolar Tip for Transceiver 1 to 16. The differential inputs of RTIPn and RRINGn can provide partially internal impedance matching for E1 75 Ω, E1 120 Ω, T1 100Ω, or J1 110Ω. The user can turn off internal termination via the LIU Receive Impedance and Sensitivity Monitor register (LRISMR). RRING1 A4 RRING2 R2 RRING3 V2 RRING4 Y1 RRING5 AB20 RRING6 H22 RRING7 F21 RRING8 D22 RRING9 AB12 RRING10 AA15 RRING11 AA18 RRING12 N22 RRING13 A12 RRING14 B9 RRING15 A6 RRING16 N2 Analog Input Receive Bipolar Ring for Transceiver 1 to 16. The differential inputs of RTIPn and RRINGn can provide partially internal impedance matching for E1 75 Ω, E1 120 Ω, T1 100Ω, or J1 110Ω. The user has the option of turning off internal termination via the LIU Receive Impedance and Sensitivity Monitor register (LRISMR). RTIPE1 A3 RTIPE2 R1 RTIPE3 V1 RTIPE4 AA1 RTIPE5 AB21 RTIPE6 J22 RTIPE7 F22 RTIPE8 C22 RTIPE9 AA13 RTIPE10 AA16 RTIPE11 AB18 RTIPE12 L22 RTIPE13 A13 RTIPE14 B8 RTIPE15 A7 RTIPE16 M1 Analog Input Receive Tip External Termination 1 to 16. These pins are used with RTIPn to provide the ability to switch out the external termination resistor, thereby providing high impedance to the line. Useful for redundancy applications. RESREF E5 Input Resistor Reference. This pin is used to calibrate the internal impedance match resistors of the receive LIUs. This pin should be tied to VSS through a 10kΩ ±1% resistor. |
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