LTC2847CUHF Linear Technology, LTC2847CUHF Datasheet
LTC2847CUHF
Specifications of LTC2847CUHF
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LTC2847CUHF Summary of contents
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... The V face circuitry including the receiver output drivers. It can be tied interface with low voltage ASICs. The LTC2847 is available in a 0.8mm tall, 5mm 7mm QFN package. , LTC and LT are registered trademarks of Linear Technology Corporation. DCD DTR RTS RXD LTC2845 D3 ...
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... RS530, RS530-A, X.21 Modes, Full Load V.35 Mode, Full Load V.28 Mode, Full Load V.11 or V.28 Mode, No Load V.35 Mode V.28 Mode, with Load V.28 Mode, with Load 10mA ORDER PART TOP VIEW NUMBER LTC2847CUHF 31 GND LTC2847IUHF 30 GND UHF PART MARKING ...
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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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LTC2847 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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LTC2847 CTIO S NC (Pins 1,3,18,19,22,23): No Connect. V (Pin 2): Generated Positive Supply Voltage for DD V.28. Connect capacitor to ground. V (Pin 4): Input Supply Pin. Input supply to charge ...
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W BLOCK DIAGRA – DCE/DTE CHARGE PUMP ...
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LTC2847 TEST CIRCUITS 2847 F01 Figure 1. V.11 Driver DC Test Circuit – Figure 3. Input Impedance ...
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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 V.11 ...
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LTC2847 U W SWITCHI WAVEFOR PHL – 1. PHL APPLICATIO S I FOR ...
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U U APPLICATIO S I FOR ATIO DTE SERIAL LTC2847 CONTROLLER D1 TXD D2 SCTE D3 R1 TXC R2 RXC RXD R3 LTC2845 D1 RTS DTR D2 D3 DCD R1 DSR R2 R3 CTS ...
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LTC2847 U U APPLICATIO S I FOR ATIO (DATA) M0 LTC2847 M1 M2 DCE/DTE DCE/DTE M2 LTC2845 M1 M0 (DATA) Figure 18. Single Port DCE V.35 Mode Selection in the Cable selected. Switching the terminations with FETs is difficult because ...
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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 A ...
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LTC2847 U U APPLICATIO S I FOR ATIO In V.28 mode closed inside the LTC2847/LTC2845 which connects a 6k (R8) impedance to ground in parallel with 20k (R5) plus 10k (R6) for a combined impedance ...
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U TYPICAL APPLICATIO S DTE vs DCE Operation The DCE/DTE pin acts as an enable for Driver 3/Receiver 1 in the LTC2847, and Driver 3/Receiver 1 in the LTC2845. The LTC2847/LTC2845 can be configured for either DTE or DCE operation ...
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LTC2847 U TYPICAL APPLICATIO TXD SCTE TXC RXC RXD RTS DTR DCD DSR CTS Figure 29. Controller-Selectable ...
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U TYPICAL APPLICATIO RXD RXC TXC SCTE TXD Figure 30. Controller-Selectable DCE Port with DB-25 Connector CHARGE ...
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LTC2847 U TYPICAL APPLICATIO DTE_TXD/DCE_RXD DTE_SCTE/DCE_RXC DTE_TXC/DCE_TXC DTE_RXC/DCE_SCTE DTE_RXD/DCE_TXD DCE/DTE Figure 31. Controller-Selectable Multiprotocol DTE/DCE Port with DB-25 Connector CHARGE 1 F PUMP C5 1 ...
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... DRAWING NOT TO SCALE 3. ALL DIMENSIONS ARE IN MILLIMETERS 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. U ...
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... Companion to LTC2846 or LTC2847 for Control Signals Including LL, TM and RL 3.3V Supply, 3-Driver/3-Receiver with Termination for Data and Clock Signals, Generates the Required 5V and 8V Supplies for LTC2846 Companion Parts www.linear.com = 25% • (8V • 0.3mA) DISS1(2847) sn2847 2847fs LT/TP 0603 1K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2003 ...