ADCMP572/ADCMP573
TYPICAL APPLICATION CIRCUITS
3.3V
VTP
VIN
VP
VN ADCMP572
VTN
50
50
Q
Q
LATCH
INPUTS
Figure 21. Zero-Crossing Detector with 3.3 V CML Outputs
VCCI = 5.2V
VTP
VCCO
50
50
VP
VN
VP
VN ADCMP572
Q
Q
VTN
LATCH
INPUTS
Figure 22. LVDS to 50 Ω Back Terminated RSPECL Receiver
VCCI = 3.3V
VCCO = 3.3V
VIN
+
ADCMP572
VTH
–
3.3V
50Ω
50Ω
Q
Q
LATCH
INPUTS
GND = –1V
Figure 23. Comparator with ±1 V Input Range and 3.3 V CML Outputs
VCCI = 5.2V
VCCO = 3.3V/5.2V
VIN
ADCMP572
VTH
3.3V/5.2V
50
50
Q
Q
LATCH
INPUTS
Figure 24. Comparator with 0 V to 3 V Input Range and
3.3 V or 5.2 V Positive CML Outputs
Data Sheet
VCCI
VCCO = 3.3V
5V
75
ADCMP572
100
100
LATCH
INPUTS
50
50
Figure 25. Interfacing 3.3 V CML to a 50 Ω
Ground Terminated Instrument
VCCI
VCCO = 3.3V
VCCO
50Ω
50Ω
VP
ADCMP572
VN
VCCO
1.35kΩ
Figure 26. Disabling the ADCMP572 Latch Feature
VCCI = 5.2V = VCCO
VP
ADCMP573
VN
VTT = 3.2V 50
50
500
VCCO
Figure 27. Disabling the ADCMP573 Latch Feature
VCCI
VCCO
ADCMP572
HYS
VCCO
50
50
0 TO 5k
Figure 28. Adding Hysteresis Using the HYS Control Pin
Rev. B | Page 12 of 14