ncx2220 NXP Semiconductors, ncx2220 Datasheet - Page 10

• Manufacturer Part Number: ncx2220
• Description: Low Voltage Comparator
• Manufacturer: NXP Semiconductors

NXP Semiconductors
NCX2220
Product data sheet
13.3 Schmitt trigger oscillator
13.4 Zero-crossing detector
Figure 15
Figure 16
Fig 15. Schmitt trigger oscillator
Fig 16. Zero-crossing detector
The oscillation frequency can be calculated as follows:
shows the NCX2220 configured as a Schmitt trigger oscillator.
shows the NCX2220 configured as a zero-crossing detector.
f
=
All information provided in this document is subject to legal disclaimers.
-- -
T
1
=
----------------------------- -
2.2 R
⋅
Rev. 1 — 5 April 2011
1
X
⋅
C X
C
X
100 mV
IN-
IN+
IN-
IN+
+V
-V
V
CC
CC
CC
R X
OUT
001aan905
OUT
R
R
001aan906
V
O
Low voltage comparator
NCX2220
© NXP B.V. 2011. All rights reserved.
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