LTC2846IG#PBF Linear Technology, LTC2846IG#PBF Datasheet
LTC2846IG#PBF
Specifications of LTC2846IG#PBF
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LTC2846IG#PBF Summary of contents
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... The 5V output drives an internal charge pump that requires only five space-saving surface mounted capacitors. The LTC2846 is available in a 36-lead SSOP surface mount package. , LTC and LT are registered trademarks of Linear Technology Corporation. DCD DTR RTS RXD ...
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LTC2846 ABSOLUTE AXI U RATI GS (Note 1) V Voltage.............................................. – 0. Voltage .............................................. – 0.3V to 6.5V IN Input Voltage Transmitters ........................... – 0. Receivers ............................................... – 18V to 18V ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER – V Negative Charge Pump Output Voltage f Charge Pump Oscillator Frequency OSC t Charge Pump Rise Time r Logic Inputs and Outputs V Logic Input High Voltage IH ...
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LTC2846 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V.11 Receiver V Input Threshold Voltage TH V Input Hysteresis TH R Input Impedance Rise or Fall Time Input to Output ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V.28 Receiver V Input Low Threshold Voltage THL V Input High Threshold Voltage TLH V Receiver Input Hysteresis TH R Receiver Input Impedance Rise or ...
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LTC2846 W U TYPICAL PERFOR A CE CHARACTERISTICS V.11 Mode I vs Temperature CC 110 105 100 –40 – 100 TEMPERATURE ( C) 2846 G07 Boost Switching Regulator SHDN Pin Current ...
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CTIO S NC (Pin 1): No Connect. PGND (Pin 2): Boost Switching Regulator Power Ground. Tie PGND to SGND. V (Pin 3): Input Supply Pin. Input supply to boost IN switching regulator 3.6V. ...
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LTC2846 W BLOCK DIAGRA 2 PGND SHDN – DCE/DTE ...
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TEST CIRCUITS 2846 F01 Figure 1. V.11 Driver DC Test Circuit – Figure 3. Input Impedance ...
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LTC2846 W U ODE SELECTIO Table 1 Mode Name DCE/ D1,2 D3 DTE Not Used (Default V.11 TTL X V.11 V.11 V.11 V.11 RS530A TTL X V.11 V.11 V.11 ...
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U W SWITCHI WAVEFOR PHL – 1. PHL APPLICATIO S I FOR ATIO ...
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LTC2846 U U APPLICATIO S I FOR ATIO DTE SERIAL LTC2846 CONTROLLER D1 TXD SCTE TXC R2 RXC RXD R3 LTC2844 D1 RTS DTR D2 D3 DCD R1 DSR R2 R3 CTS Figure 17. ...
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U U APPLICATIO S I FOR ATIO (DATA LTC2846 DCE/DTE 14 DCE/DTE LTC2844 (DATA) Figure 18. Single Port DCE V.35 Mode Selection in the Cable selected. Switching ...
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LTC2846 U U APPLICATIO S I FOR ATIO ' 20k 6k R6 10k 10k 20k GND Figure 21. V.10 Receiver Configuration BALANCED INTERCONNECTING CABLE GENERATOR TERMINATION ' A ...
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U U APPLICATIO S I FOR ATIO In V.28 mode closed inside the LTC2846/LTC2844 which connects a 6k (R8) impedance to ground in parallel with 20k (R5) plus 10k (R6) for a combined impedance shown ...
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LTC2846 U U APPLICATIO S I FOR ATIO Switching Regulator The circuit as shown in Figure 29 can provide up to 480mA drive the LTC2846’s transceiver as well as its companion chip in the DTE-DCE interface. In ...
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U TYPICAL APPLICATIO S A port with one DB-25 connector, that can be configured for either DTE or DCE operation is shown in Figure 33. The configuration requires separate cables for proper signal routing in DTE or DCE operation. For ...
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LTC2846 U TYPICAL APPLICATIO • – N • Since power is drawn from the supplies of the LTC2846 ( and less than 100% efficiency, the CC ...
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U TYPICAL APPLICATIO 3. TXD SCTE TXC RXC RXD RTS DTR DCD DSR CTS Figure 31. Controller-Selectable Multiprotocol DTE Port with ...
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LTC2846 U TYPICAL APPLICATIO 3. RXD RXC TXC SCTE TXD CTS DSR DCD DTR RTS Figure 32. Controller-Selectable DCE Port with ...
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U TYPICAL APPLICATIO 3. DTE_TXD/DCE_RXD DTE_SCTE/DCE_RXC DTE_TXC/DCE_TXC DTE_RXC/DCE_SCTE DTE_RXD/DCE_TXD DTE_RTS/DCE_CTS DTE_DTR/DCE_DSR DTE_DCD/DCE_DCD DTE_DSR/DCE_DTR DTE_CTS/DCE_RTS DTE_LL/DCE_LL DCE/DTE Figure 33. Controller-Selectable Multiprotocol DTE/DCE Port with DB-25 Connector ...
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LTC2846 U TYPICAL APPLICATIO 3. DTE_TXD/DCE_RXD DTE_SCTE/DCE_RXC DTE_TXC/DCE_TXC DTE_RXC/DCE_SCTE DTE_RXD/DCE_TXD DTE_RTS/DCE_CTS DTE_DTR/DCE_DSR DTE_DCD/DCE_DCD DTE_DSR/DCE_DTR DTE_CTS/DCE_RTS DTE_LL/DCE_RI DTE_RI/DCE_LL DTE_TM/DCE_RL DTE_RL/DCE_TM DCE/DTE Figure 34. Controller-Selectable Multiprotocol DTE/DCE ...
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... Figure 35. Cable-Selectable Multiprotocol DTE/DCE Port with DB-25 Connector Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Companion to LTC2846 for Control Signals Including LL 5-Driver/5-Receiver Companion to LTC2846 for Control Signals Including LL, TM and RL www.linear.com 12.50 – 13.10* (.492 – .516 7.40 – 8.20 (.291 – .323 2.0 (.079) 0.05 (.002) G36 SSOP 0802 sn2846 2846fs LT/TP 0503 1K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2002 ...