XRT5897ES Exar, XRT5897ES Datasheet
XRT5897ES
Specifications of XRT5897ES
Related parts for XRT5897ES
XRT5897ES Summary of contents
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... ORDERING INFORMATION Part No. XRT5897IV Rev. 1.11 E2001 EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 z (510) 668-7000 z FAX (510) 668-7017 D Compliant with ITU--T G.823 Jitter Tolerance Re- quirements D Logical Inputs Accept either 3.3V or 5.0V Levels D Ultra-Low Power Dissipation D +3.3V Supply Operation D Individual Transmit Channel Over Temperature ...
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XRT5897 BLOCK DIAGRAM RTIP7 (69) 1:2 R1 TIP RX INPUT RING R2 RRING7 (68) LOSCNT (73) LOSSEL (38) R3 TTIP7 (89) 2:1 TIP 9.1 TX OUTPUT R4 TRING7 (91) RING 9.1 Receiver Notes D The same type 1:2CT ratio transformer ...
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PIN CONFIGURATION LOS6 TXPOS6 TXNEG6 TXCLK6 GND TTIP6 V CC TRING6 GND TXPOS7 TXNEG7 TXCLK7 GND TTIP7 V CC TRING7 GND TRING1 V CC TTIP1 GND TXCLK1 TXNEG1 TXPOS1 LOS1 Rev. 1. 100 1 100 LEAD THIN QUAD ...
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XRT5897 PIN DESCRIPTION Pin # Symbol Type Description 1 RXPOS1 O Receiver 1 Positive Data Out. Positive RZ data output for channel 1. 2 RXNEG1 O Receiver 1 Negative Data Out. Negative RZ data output for channel ...
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PIN DESCRIPTION (CONT’D) Pin # Symbol Type Description 36 LOS2 O Receiver 2 Loss of Signal. Asserted during LOS condition Digital Supply (+3.3V + 5%). Digital circuitry LOSSEL I Loss of Signal Delay Select. “Hi” selects ...
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XRT5897 PIN DESCRIPTION (CONT’D) Pin # Symbol Type Description 71 RTIP6 I Receiver 6 Positive Bipolar Input. 72 GND Analog Ground. Receiver channels 4, 5, and 6. 73 LOSCNT I Loss of Signal Timing Clock Input. For user-programmable LOS delay. ...
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ELECTRICAL CHARACTERISTICS Test Conditions 3.3V 5 Symbol Parameter DC Electrical Characteristics Parameters V Voltage Supply CC Inputs V Input High Level IH V Input Low Level IL Outputs V Output High Level OH V Output ...
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XRT5897 P Power Consumption 120W C P Power Consumption 120W C Note: Bold face parameters are covered by production test and guaranteed over operating temperature range. Rev. 1.11 1025 1255 mW All 1’s Transmit and Receive 745 945 mW 50% ...
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ELECTRICAL CHARACTERISTICS Test Conditions 3.3V 5 Symbol Parameter AC Electrical Characteristics V Output Pulse Amplitude TXOUT (R = 75W Output Pulse Amplitude TXOUT (R = 120W Output Pulse Width XPW PN ...
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XRT5897 Disabling Output Drivers Output drivers may be individually disabled (hi-z output) by either of the following methods. 1. Either connect the transmit data inputs TXPOS and TXNEG for the channel to be disabled to a log source ...
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TXPOS (n) TXNEG ( TXCLK (n) TXOUT (n) RXIN (n) T5 RPOS (n) RXNEG (n) Rev. 1.11 TSU THO TSU TR TF TXPW T3 VTXOUT Figure 2. Transmit Timing Diagram Figure 3. Receive Timing ...
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XRT5897 RETURN LOSS SPECIFICATIONS The following transmitter and receiver return loss specifications are based on a typical 1:2CT ratio transformer. Frequency Range 51kHz to 102kHz 102kHz to 2.048MHz 2.048MHz to 3.072MHz Table 3. Transmitter Return Loss Specification Transmit Return Loss ...
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SYSTEM DESCRIPTION This device is a seven channel E1 transceiver that provides an electrical interface applications. Its unique architecture includes seven receiver circuits that convert ITU G.703 compliant bipolar signals to TTL compatible logic levels. Each receiver includes a LOS ...
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XRT5897 Transmitters This device contains four identical ITU G.703 compliant transmitters. The output stage of each transmitter is a differential voltage driver. External resistors need to be connected to the primary of output transformer. This is necessary to maintain an ...
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Transmitter Output Pulse Measurement Figure 1 shows a typical transmit pulse plotted on the template shown in ITU G.703 Figure 15/G.703. The following conditions apply: V =3.30V CC Transmitter output transformer secondary terminated with 120W. All ones signal. Receiver output ...
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XRT5897 Transmitter Output Return Loss Measurements The following measurements were made with a Wandel and Goltermann SNA--2 Network Analyzer equipped with an RFZ--1 75W Return Loss Bridge. A 75W to 120W impedance matching transformer was used to make the 120W ...
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The following pictures show typical results of measurements that made over a 50 KHz to 3.5MHz frequency range. Figure 6, shows a return loss better than 20dB at low frequencies that decreases to about 12dB at 3.5MHz. Since the source ...
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XRT5897 Output Transformer Selection A 1:2 ratio transformer is recommended for both 75W and 120W operation because the transmitter, when equipped with this device, meets both the ITU G.703 output pulse amplitude requirement and, the ETSI return loss specification. Although ...
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This may be further simplified Figure 10. Equivalent Circuit Where int ext Therefore Req ...
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XRT5897 100 LEAD THIN QUAD FLAT PACK 76 100 A Seating Plane A 1 Note: The control dimension is the millimeter column Rev. 1.11 ( 1.4 mm, TQFP) Rev. 2. ...
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... While the information in this publication has been carefully checked; no responsibility, however, is assumed for inaccuracies. EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized ...