Datasheet HT12A, HT12E (Holtek) - 9

ManufacturerHoltek
Description212 Series of Encoders
Pages / Page15 / 9 — HT12A/HT12E. Oscillator Frequency vs. Supply Voltage. f O S C. ( S c a l …
File Format / SizePDF / 148 Kb
Document LanguageEnglish

HT12A/HT12E. Oscillator Frequency vs. Supply Voltage. f O S C. ( S c a l e ). R O S C (. V D D ( V D C ). Application Circuits

HT12A/HT12E Oscillator Frequency vs Supply Voltage f O S C ( S c a l e ) R O S C ( V D D ( V D C ) Application Circuits

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Text Version of Document

HT12A/HT12E Oscillator Frequency vs. Supply Voltage f O S C ( S c a l e ) R O S C (
W
)
7 . 0 0 4 7 0 k 5 1 0 k 6 . 0 0 5 6 0 k 6 2 0 k 5 . 0 0 6 8 0 k 7 5 0 k 4 . 0 0 8 2 0 k 9 1 0 k 1 . 0 M ( 3 k H z ) 3 . 0 0 1 . 2 M 1 . 5 M 2 . 0 0 2 . 0 M 1 . 0 0 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3
V D D ( V D C )
The recommended oscillator frequency is fOSCD (decoder) @ 50 fOSCE (HT12E encoder) @ 1 fOSCE (HT12A encoder) 3
Application Circuits
V D D 1 0 0 W T r a n s m i t t e r C i r c u i t V D D 1 A 0 V D D 1 8 8 0 5 0 1 A 0 V D D 1 8 2 1 0 k W A 1 1 7 D O U T 2 A 1 D O U T 1 7 4 5 5 K 3 A 2 X 1 1 6 1 0 0 p F 3 A 2 O S C 1 1 6 1 0 M W 4 R O S C A 3 1 5 X 2 1 5 4 1 0 0 p F A 3 O S C 2 5 5 1 4 A 4 1 4 L / M B A 4 T E 6 6 1 3 A 5 D 1 1 1 3 A 5 A D 1 1 7 7 1 2 A 6 D 1 0 1 2 A 6 A D 1 0 8 8 1 1 A 7 D 9 1 1 A 7 A D 9 9 9 1 0 V S S D 8 1 0 V S S A D 8
H T 1 2 A H T 1 2 E
Rev. 1.20 9 February 20, 2009 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment Pin Description Absolute Maximum Ratings Electrical Characteristics Functional Description Application Circuits Package Information Product Tape and Reel Specifications