ADCMP573 datasheet(12/16 Pages) AD

12 / 16 page

ADCMP572/ADCMP573

Rev. A | Page 12 of 16

TYPICAL APPLICATION CIRCUITS

3.3V

ADCMP572

VIN

VTP

VTN

LATCH

INPUTS

VCCI

LATCH

INPUTS

Figure 21. Zero-Crossing Detector with 3.3 V CML Outputs

VTP

VTN

VCCO = 3.3V

100

ADCMP572

Figure 25. Interfacing 3.3 V CML to a 50 Ω

Ground Terminated Instrument

LATCH

INPUTS

VCCI = 5.2V

ADCMP572

VCCO

Figure 22. LVDS to 50 Ω Back Terminated RSPECL Receiver

–

VIN

VTH

LATCH

VCCI

VCCO = 3.3V

VCCO

ADCMP572

50Ω

1.35kΩ

50Ω

Figure 26. Disabling the ADCMP572 Latch Feature

INPUTS

GND = –1V

VCCI = 3.3V

VCCO = 2.5V/3.3V

2.5V/3.3V

ADCMP572

Figure 23. Comparator with ±1 V Input Range and

2.5 V or 3.3 V CML Outputs

VIN

VTH

500

VCCI = 5.2V = VCCO

VTT = 3.2V

VCCO

ADCMP573

Figure 27. Disabling the ADCMP573 Latch Feature

LATCH

INPUTS

VCCI = 5.2V

VCCO = 3.3V/5.2V

3.3V/5.2V

ADCMP572

Figure 24. Comparator with 0 V to 3 V Input Range and

3.3 V or 5.2 V Positive CML Outputs

HYS

VCCO

VCCI

ADCMP572

Ω TO 5kΩ

Figure 28. Adding Hysteresis Using the HYS Control Pin

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