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AD53522

Analog Devices
Part Number AD53522
Manufacturer Analog Devices
Description High Speed Dual Pin Electronic
Published Mar 23, 2005
Detailed Description a FEATURES 1000 MHz Toggle Rate Driver/Comparator/Active Load and Dynamic Clamp Included Inhibit Mode Function 100-Lead ...
Datasheet PDF File AD53522 PDF File

AD53522
AD53522

Overview
a FEATURES 1000 MHz Toggle Rate Driver/Comparator/Active Load and Dynamic Clamp Included Inhibit Mode Function 100-Lead LQFP Package with Built-In Heat Sink Driver 48 ⍀ Output Resistance 800 ps Tr/Tf for a 3 V Step Comparator 1.
1 ns Propagation Delay at 3 V Load ؎40 mA Voltage Programmable Current Range 50 ns Settling Time to 15 mV APPLICATIONS Automatic Test Equipment Semiconductor Test Systems Board Test Systems Instrumentation and Characterization Equipment VCC VH VTERM DATA DATAB IOD IODB RLD RLDB VL PWRD HCOMP VCCO QH QHB VCC High Speed Dual Pin Electronic AD53522 FUNCTIONAL BLOCK DIAGRAM (One-Half) VCC VEE VEE VEE AD53522 VCH VHDCPL DRIVER OUT VLDCPL VCL COMPARATOR QL QLB PRODUCT DESCRIPTION LCOMP The AD53522 is a complete, high speed, single-chip solution that performs the pin electronics functions of driver, comparator, and active load (DCL) for ATE applications.
In addition, the driver contains a dynamic clamp function and the active load contains an integrated Schottky diode bridge.
The driver is a proprietary design that features three active states: Data High mode, Data Low mode, and Term mode, as well as an Inhibit State.
In conjunction with the integrated dynamic clamp, this facilitates the implementation of a high speed active termination.
The output voltage range is –0.
5 V to +6.
5 V to accommodate a wide variety of test devices.
The dual comparator, with an input range equal to the driver output range, features PECL compatible outputs.
Signal tracking capability is in the range of 3 V/ns.
The active load can be set for up to 40 mA load current.
IOH, IOL, and the buffered VCOM are independently adjustable.
On-board Schottky diodes provide high speed switching and low capacitance.
Also included is an on-board temperature sensor that gives an indication of the silicon surface temperature of the DCL.
This information can be used to measure ␪JC and ␪JA or flag an alarm if proper cooling is lost.
Output from the sensor is a current sink VCOM IOLC IO...


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