DatasheetsPDF.com

MAX3645 Dataheets PDF



Part Number MAX3645
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description 125Mbps to 200Mbps Limiting Amplifier
Datasheet MAX3645 DatasheetMAX3645 Datasheet (PDF)

www.DataSheet4U.com 19-3026; Rev 0; 10/03 +2.97V to +5.5V, 125Mbps to 200Mbps Limiting Amplifier with Loss-of-Signal Detector General Description The MAX3645 limiting amplifier functions as a data quantizer and is pin compatible with the Mindspeed MC2045-2 and MC2045-2Y postamplifiers. The amplifier accepts a wide range of input voltages and provides constant-level positive emitter-coupled logic (PECL) output voltages with controlled edge speeds. The MAX3645 features an integrated power detect.

  MAX3645   MAX3645


Document
www.DataSheet4U.com 19-3026; Rev 0; 10/03 +2.97V to +5.5V, 125Mbps to 200Mbps Limiting Amplifier with Loss-of-Signal Detector General Description The MAX3645 limiting amplifier functions as a data quantizer and is pin compatible with the Mindspeed MC2045-2 and MC2045-2Y postamplifiers. The amplifier accepts a wide range of input voltages and provides constant-level positive emitter-coupled logic (PECL) output voltages with controlled edge speeds. The MAX3645 features an integrated power detector with complementary PECL loss-of-signal (LOS) outputs that indicate when the input power level drops below a programmable threshold. An optional squelch function holds the data outputs at static levels during a LOS condition. The MAX3645 operates from a single +3.3V or +5.0V power supply over a -40 ° C to +85 ° C temperature range. It is available in 16-pin SO and 16-pin QSOP packages. Features o Pin Compatible with the Mindspeed MC2045-2/MC2045-2Y o 500µV Input Sensitivity (BER = 10-12) o Compatible with 4B/5B Data Coding o Programmable LOS Threshold o o o o Stable LOS Threshold Over Supply Range Output Disable Function and Automatic Squelch Single +3.3V or +5.0V Power Supply 18mA Supply Current MAX3645 Ordering Information PART MAX3645ESE MAX3645EEE TEMP RANGE -40°C to +85°C -40°C to +85°C PIN-PACKAGE 16 SO 16 QSOP Applications SONET 155Mbps Transceivers Fast Ethernet Receivers FDDI 125Mbps Receivers FTTx Receivers ESCON Receivers TOP VIEW CAZ2 1 CAZ1 2 GNDA 3 DIN+ 4 DIN- 5 VCCA 6 CSD 7 DIS 8 Pin Configuration 16 TH 15 N.C. 14 VCCE MAX3645 13 DOUT+ 12 DOUT11 GNDE 10 LOS 9 LOS SO/QSOP Typical Application Circuit VCC VCC VCC PIN K OUT+ 0.1µF DIN+ CSD 1nF CSD VCCA CAZ1 CAZ2 VCCE N.C. DOUT+ CAZ 0.1µF VCC MAX3644* IN GND MAX3645 OUT0.1µF DINGNDA TH DOUTLOS GNDE 50Ω 50Ω 50Ω DIS RTH 100Ω LOS 50Ω VCC - 2V VCC - 2V *FUTURE PRODUCT ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. DataSheet 4 U .com www.DataSheet4U.com +2.97V to +5.5V, 125Mbps to 200Mbps Limiting Amplifier with Loss-of-Signal Detector MAX3645 ABSOLUTE MAXIMUM RATINGS Power-Supply Voltage (VCCA, VCCE) ....................-0.5V to +7.0V Voltage at CAZ1, CAZ2, DIN+, DIN-, CSD, DIS, TH ................................-0.5V to (VCC + 0.5V) PECL Output Current (DOUT+, DOUT-, LOS, LOS) ...........50mA Differential Voltage between CAZ1 and CAZ2......-1.5V to +1.5V Differential Voltage between DIN+ and DIN- ........-1.5V to +1.5V Continuous Power Dissipation (TA = +85°C) 16-Pin SO (derate 8.7mW/°C above +85°C)................565mW 16-Pin QSOP (derate 8.3mW/°C above +85°C)...........540mW Storage Ambient Temperature Range (TS)…….-65°C to +160°C Lead Temperature (soldering, 10s)...........……………….+300°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (VCC = +2.97V to +5.5V, PECL outputs are terminated with 50Ω to VCC - 2V, RTH = 100Ω, CAZ = 0.1µF, CSD = 1nF, TA = -40°C to +85°C. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted.) PARAMETER POWER SUPPLY Supply Current INPUT SPECIFICATIONS Input Resistance Input Sensitivity (Note 1) Input Overload (Note 1) Input-Referred Offset Voltage Input Common-Mode Voltage Input-Referred RMS Noise DIS Input High DIS Input Low DIS Input Current OUTPUT SPECIFICATIONS PECL Output-Voltage High PECL Output-Voltage Low Data Output Transition Time Pulse-Width Distortion t R , tF PWD (Notes 1, 2) (Notes 1, 2) 20% to 80% (Notes 1, 2, 4) (Notes 1, 2, 4, 5) VCC 1085 VCC 1830 0.7 30 VCC 880 VCC 1555 1.4 200 mV mV ns ps VCMM VIN-NOISE VIH VIL IIL, IIH (Notes 2, 3) PECL or CMOS logic PECL or CMOS logic 0V ≤ VDIS ≤ VCC VCC 1160 0 -10 RIN VIN-MIN VIN-MAX Single ended; VIN = ±200mV Single ended Differential Single ended Differential Unterminated input, output offset divided by DC gain (Note 2) 750 1500 2 VCC 0.87 36 50 VCC VCC 1480 +10 40 3.3 4.8 6.4 0.5 1.0 kΩ mVP-P mVP-P µV V µVRMS mV mV µA ICC Excludes PECL termination currents 18 27 mA SYMBOL CONDITIONS MIN TYP MAX UNITS 2 _______________________________________________________________________________________ DataSheet 4 U .com www.DataSheet4U.com +2.97V to +5.5V, 125Mbps to 200Mbps Limiting Amplifier with Loss-of-Signal Detector ELECTRICAL CHARACTERISTICS (continued) (VCC = +2.97V to +5.5V, PECL outputs are terminated with 50Ω to VCC - 2V, RTH = 100Ω, CAZ = 0.1µF, CSD = 1nF, TA = -40°C to +85°C. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted.) PARAMETER TRANSFER CHAR.


LC822152 MAX3645 SCAN25100


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)