Single-Supply, High Speed PECL/LVPECL Comparators ADCMP551/ADCMP552/ADCMP553
●The ADCMP551/ADCMP552/ADCMP553 are single-supply, high speed comparators fabricated on Analog Devices, Inc., proprietary XFCB process. The devices feature a 500 ps propagation delay with less than 125 ps overdrive dispersion.
Overdrive dispersion, a measure of the difference in propagation delay under differing overdrive conditions, is a particularly important characteristic of high speed comparators. A separate programmable hysteresis pin is available on the ADCMP552.
A differential input stage permits consistent propagation delay with a common-mode range from −0.2 V to VCCI − 2.0 V. Outputs are complementary digital signals and are fully compatible with PECL and 3.3 V LVPECL logic families. The outputs provide sufficient drive current to directly drive transmission lines terminated in 50 Ω to VCCO − 2 V. A latch input is included and permits tracking, track-and-hold, or sample-and-hold modes of operation. The latch input pins contain internal pullups that set the latch in tracking mode when left open.
The ADCMP551/ADCMP552/ADCMP553 are specified over the −40°C to +85°C industrial temperature range. The ADCMP551 is available in a 16-lead QSOP package; the ADCMP552 is available in a 20-lead QSOP package; and the ADCMP553 is available in an 8-lead MSOP package.
●FEATURES
■Single power supply
■500 ps propagation delay input to output
■125 ps overdrive dispersion
■Differential PECL/LVPECL compatible outputs
■Differential latch control
■Internal latch pull-up resistors
■Power supply rejection greater than 70 dB
■700 ps minimum pulse width
■Equivalent input rise time bandwidth > 750 MHz
■Typical output rise/fall of 500 ps
■Programmable hysteresis
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ADCMP551 、 ADCMP552 、 ADCMP553 、 ADCMP551BRQ 、 ADCMP551BRQZ 、 ADCMP551BRQZ-REEL7 、 EVAL-ADCMP551BRQZ 、 ADCMP552BRQ 、 ADCMP552BRQZ 、 EVAL-ADCMP552BRQZ 、 ADCMP553BRMZ 、 EVAL-ADCMP553BRMZ |
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Single-Supply, High Speed PECL/LVPECL Comparators 、 single-supply, high speed comparators |
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[ Automatic test equipment ][ High speed instrumentation ][ Scope and logic analyzer front ends ][ Window comparators ][ High speed line receivers ][ High speed triggers ][ Patient diagnostics ][ Hand-held test instruments ][ Zero crossing detectors ][ Line receivers and signal restoration ][ Clock drivers ] |
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Datasheet |
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Please see the document for details |
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16-lead QSOP;20-lead QSOP;8-lead MSOP |
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English Chinese Chinese and English Japanese |
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2018/01/06 |
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Rev. B |
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D04722-0-3/15(B) |
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627 KB |
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