xrt56l22 Exar Corporation, xrt56l22 Datasheet
xrt56l22
Related parts for xrt56l22
xrt56l22 Summary of contents
Page 1
... ORDERING INFORMATION Part No. XR-T56L22AP XR-T56L22AN XR-T56L22AD Rev. 1.02 E1997 EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 z (510) 668-7000 z FAX (510) 668-7017 TM APPLICATIONS D T1 PCM Repeater/Receiver D T148C PCM Repeater/Receiver D European 2.048Mbps PCM Repeater/Receiver D Digital Multiplexers, CSUs, Switching Equipment D ISDN Compatible Equipment: Fax Machines, Computers etc ...
Page 2
XR-T56L22 BLOCK DIAGRAM 2 ALBO1 3 ALBO2 1 ANA GND 5 AMP + I/P 4 AMP - I/P Clock Bias GEN I/P Clock 17 AMP LC Bias 15 Phase Cont. Voltage Ref. Gen REF Volt. 14 ...
Page 3
PIN CONFIGURATION ANA GND 1 ALBO1 2 ALBO2 3 AMP-I/P 4 AMP +I/P 5 AMP -O/P 6 AMP +O/P 7 DIG GND 8 DATA Lead PDIP, CDIP (0.300”) PIN DESCRIPTION Pin # Symbol Description 1 ANA GND Ground ...
Page 4
XR-T56L22 ELECTRICAL CHARACTERISTICS Test Conditions - Parameter General Supply Voltage Supply Current Data Output Leakage Current 9, 10 ALBO Port Off Voltage Amplifier Pin Voltage Amplifier Pin Voltage Amplifier Input Impedance Input Offset ...
Page 5
ELECTRICAL CHARACTERISTICS Parameter Threshold Voltages ALBO Threshold +Ve ALBO Threshold -Ve ALBO Threshold Difference Clock Drive on Current + Ve Clock Drive on Current -Ve Clock Drive Difference Clock Threshold +Ve Clock Threshold -Ve Clock Threshold Difference Data Threshold +Ve ...
Page 6
XR-T56L22 ELECTRICAL CHARACTERISTICS Parameter Clock Output Stage Output Pulse Rise Time (Tr) Output Pulse Fall Time (Tf) Output Pulse Width (Tw) Shunt Regulator Output Voltage Voltage Regulation Over Temp. Load Regulation Note 1 Using a 2K pull up resistor between ...
Page 7
Figure 2. Supply Current Variation 1.8 1.6 1.4 1.2 1 1.44 CLK ALBOTHLD V = 1.02v CLKTHLD Figure 3. Clock Drive Current Against Preamp Output Voltage Rev. 1.02 Typical ...
Page 8
XR-T56L22 60 50 Differential Gain 40 Phase –10 –20 –30 – Figure 5. Preamp Gain/Phase Characteristics Preamp Output (Approx. 1 pK) Oscillator Input Pin 16 Clock Output Pin 12 Data Pos. ...
Page 9
IM R1 3.9K C1 8.22UF R2 C2 100 8.22UF 680 8. 100 R6 7. 130 D Figure 6. AC Parameter Test Circuit Rev. 1.02 C11 15 ...
Page 10
Figure 8. XR–T56L22 E1 Evaluation Circuit ...
Page 11
Figure 9. XR–T56L22 T1 Evaluation Circuit ...
Page 12
XR-T56L22 18 LEAD PLASTIC DUAL-IN-LINE Seating Plane L B SYMBOL Note: The control dimension is the inch column Rev. ...
Page 13
LEAD CERAMIC DUAL-IN-LINE Base Plane Seating L Plane B SYMBOL Note: The control dimension is the inch column Rev. 1.02 (300 MIL ...
Page 14
XR-T56L22 18 LEAD SMALL OUTLINE Seating Plane e SYMBOL Note: The control dimension is the millimeter column Rev. 1.02 (300 MIL JEDEC SOIC) Rev. 1. ...
Page 15
Rev. 1.02 Notes 15 XR-T56L22 ...
Page 16
... 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 ...