Dual 10-Bit Programmable Resistor REPLACES DISCRETE RESISTORS IMP

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Dual 10-Bit Programmable Resistor REPLACES DISCRETE RESISTORS IMP

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ADN2850
Dual 10-Bit Programmable Resistor
REPLACES DISCRETE RESISTORS IMPROVED PERFORMANCE REDUCED MANUFACTURING COSTS order address ever-increasing infrastructure requirements fiber optic communications, Analog Devices focused providing high-performance costeffective interface solutions optical networking systems. prime example Analog's system knowledge design expertise working together ADN2850. This digitally controlled nonvolatile resistor enables automated setup laser bias modulation current levels, eliminating need discrete resistors. ADN2850 provides industry's best temperature stability, factor-of-ten improvement over other commercially available solutions. 10-bit accuracy four-times improvement dynamic range over competition, easing design helping speed time market. ADN2850 will enable customers offer performance enhancements, cost reductions, improved system reliability. ADN2850 change design fiber optics.
ADN2850 provides sensitivity temperature variations improved laser diode stability.
FEATURES: Very (<35 ppm/ Resistance Temperature Coefficient 10-bit Accuracy Terminal Resistance Programmable Laser Calibration Single, Dual Supply Operation
Nonvolatile Memory Set-Point Storage Additional Factory Data LFCSP-16 Lead Frame Chip Scale Thin TSSOP-16 Packages APPLICATIONS: SONET, SDH, AGigabit Ethernet Laser Diode Driver Controller Calibration Calibration Optical Power Monitoring
MORE THAN YEARS' EXPERIENCE HIGH-PERFORMANCE ANALOG CIRCUIT DESIGN Analog Devices more than years experience design, manufacturing marketing broad line high-performance liner, mixed-signal, digital integrated circuits that address wide range real-world signal processing applications sourcing issues that require characterizing each supplier's laser diode product. FUNCTIONAL BLOCK DIAGRAM
ADN2850
ADDRESS DECODE RDAC1 RDAC1 REGISTER
SERIAL INPUT REGISTER
EEMEM1
RDAC2 RDAC2 REGISTER POWER-ON RESET
EEMEM2 EEMEM CONTROL SPARE EEMEM IMPD VLOG GENERATOR IREF
This information applies product under development. characteristics specifications subject change without notice. Analog Devices assumes obligation regarding future manufacture, unless otherwise agreed writing. responsibility assumed Analog Devices use; infringement patents other rights third parties that result from use. license granted implication otherwise under patent patent rights Analog Devices.
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www.analog.com
Analog Devices, Inc., 2001. rights reserved. Trademarks registered trademarks property their respective companies. Printed U.S.A. H02167-.3-3/01(B)

Dual 10-Bit Programmable Resistor REPLACES DISCRETE RESISTORS IMP

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