ADN2848ACP-32 Analog Devices Inc, ADN2848ACP-32 Datasheet
ADN2848ACP-32
Specifications of ADN2848ACP-32
Related parts for ADN2848ACP-32
ADN2848ACP-32 Summary of contents
Page 1
FEATURES 50 Mbps to 1.25 Gbps operation Single 3.3 V operation Bias current range 100 mA Modulation current range Monitor photo diode current: 50 μA to 1200 μ supply current at 3.3 ...
Page 2
ADN2848 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. 6 Theory of Operation ...
Page 3
SPECIFICATIONS 3.6 V. All specifications T CC Table 1. Parameter LASER BIAS Current (I , ALS) BIAS Output Current I BIAS Compliance Voltage I BIAS ALS Response Time CCBIAS Compliance Voltage MODULATION CURRENT (IMODP, IMODN) ...
Page 4
ADN2848 Parameter SUPPLY Temperature range is −40°C to +85°C. 2 Measured into a 25 Ω load using a 0-1 pattern at 622 Mbps. 3 When the voltage on DATAP is greater than the ...
Page 5
ABSOLUTE MAXIMUM RATINGS Table 2. Parameter V to GND CC Digital Inputs (ALS, LBWSET, CLKSEL) IMODN, IMODP Operating Temperature Range Industrial Storage Temperature Range Junction Temperature (T Max) J 32-Lead LFCSP_VQ Package 1 Power Dissipation 2 θ Thermal Impedance JA ...
Page 6
ADN2848 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic Description 1 LBWSET Loop Bandwidth Select. 2 ASET Alarm Threshold Set Pin. 3 ERSET Extinction Ratio Set Pin. 4 PSET Average Optical Power Set Pin. 5 ...
Page 7
THEORY OF OPERATION A laser diode (LD) has current-in to light-out transfer functions, as shown in Figure 4. Two key characteristics of this transfer function are the threshold current and slope in the linear region beyond TH the ...
Page 8
ADN2848 Example FAIL DEGRADE FAIL I 500 μA ASET 100 100 ...
Page 9
POWER CONSUMPTION The ADN2848 die temperature must be kept below 125°C. The LFCSP_VQ package has an exposed paddle. The exposed paddle should be connected in such a manner that the same potential as the ADN2848 ground pins. ...
Page 10
ADN2848 1.5kΩ IMODN * GND2 MPD LD IMODP GND2 * R Z GND2 I BIAS 10µH CCBIAS LASER DIODE MPD = MONITOR PHOTODIODE NOTES * DESIGNATES COMPONENTS ...
Page 11
1.5kΩ IMODN GND2 MPD LD IMODP * * GND2 * GND2 I BIAS 10µH CCBIAS LASER DIODE MPD = ...
Page 12
... OUTLINE DIMENSIONS PIN 1 INDICATOR 12° MAX 1.00 0.85 0.80 SEATING PLANE ORDERING GUIDE Model ADN2848ACP-32 ADN2848ACP-32-RL ADN2848ACP-32-RL7 1 ADN2848ACPZ-32 1 ADN2848ACPZ-32-RL 1 ADN2848ACPZ-32-RL7 Pb-free part. ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C02746-0-10/06(A) 5.00 BSC SQ 0 ...