Application Circuit

Note:

²*² If the power-up ramp is sharp enough, the capacitor can be removed.

Note:

If the device is used in low noise environment, the application circuit shown above is suggested.

Note:

If the device is used in high noise environment, the application circuit shown above is suggested.

HT13R90

Rev. 1.10

13

July 10, 2007

O S C 1

O S C 2

O S C

C i r c u i t

R E S

0 . 1 m F *

1 0 0 k W

V D D

V S S

S e e R i g h t S i d e

H T 1 3 R 9 0

L E D 0 / O U T 0

L E D 1 / O U T 1 / B Z

L E D 2 / O U T 2 / B Z

O S C C i r c u i t

O S C 1

O S C 2

C r y s t a l S y s t e m O s c i l l a t o r

O S C 1

O S C 2

I R C S y s t e m O s c i l l a t o r

R O S C R a n g e T B D

O S C C i r c u i t

O S C 1

O S C 2

C r y s t a l S y s t e m O s c i l l a t o r

O S C 1

O S C 2

I R C S y s t e m O s c i l l a t o r

R O S C R a n g e T B D

O S C 1

O S C 2

O S C

C i r c u i t

R E S

0 . 1 m F

1 0 0 k W

V D D

V S S

0 . 1 m F

S e e R i g h t S i d e

H T 1 3 R 9 0

L E D 0 / O U T 0

L E D 1 / O U T 1 / B Z

L E D 2 / O U T 2 / B Z

O S C C i r c u i t

O S C 1

O S C 2

C r y s t a l S y s t e m O s c i l l a t o r

O S C 1

O S C 2

I R C S y s t e m O s c i l l a t o r

R O S C R a n g e T B D

O S C 1

O S C 2

O S C

C i r c u i t

R E S

0 . 1 m F

1 0 0 k W

V D D

V S S

0 . 1 m F

0 . 0 1 m F

1 0 k W

S e e R i g h t S i d e

H T 1 3 R 9 0

L E D 0 / O U T 0

L E D 1 / O U T 1 / B Z

L E D 2 / O U T 2 / B Z