ADCMP573BCP-R2 Просмотр технического описания (PDF) - Analog Devices
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ADCMP573BCP-R2 Datasheet PDF : 16 Pages
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ADCMP572/ADCMP573
TYPICAL APPLICATION CIRCUITS
3.3V
VTP
VIN
VP
VN ADCMP572
VTN
50Ω
50Ω
Q
Q
LATCH
INPUTS
Figure 21. Zero-Crossing Detector with 3.3 V CML Outputs
VCCI = 5.2V
VTP
VCCO
50Ω
50Ω
VP
VP
VN ADCMP572
Q
VN
Q
VTN
LATCH
INPUTS
Figure 22. LVDS to 50 Ω Back Terminated RSPECL Receiver
VCCI = 3.3V
VCCO = 2.5V/3.3V
2.5V/3.3V
VIN
+
ADCMP572
VTH
–
50Ω
50Ω
Q
Q
LATCH
INPUTS
GND = –1V
Figure 23. Comparator with ±1 V Input Range and
2.5 V or 3.3 V CML Outputs
VCCI = 5.2V
VCCO = 3.3V/5.2V
3.3V/5.2V
VIN
ADCMP572
VTH
50Ω
50Ω
Q
Q
VCCI
VCCO = 3.3V
5V
75Ω
ADCMP572
100Ω
100Ω
LATCH
INPUTS
50Ω
50Ω
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
50Ω
50Ω
VTT = 3.2V
500Ω
VCCO
Figure 27. Disabling the ADCMP573 Latch Feature
VCCI
VCCO
ADCMP572
HYS
VCCO
50Ω
50Ω
LATCH
INPUTS
0Ω TO 5kΩ
Figure 24. Comparator with 0 V to 3 V Input Range and
3.3 V or 5.2 V Positive CML Outputs
Figure 28. Adding Hysteresis Using the HYS Control Pin
Rev. A | Page 12 of 16
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