AN246
Overview
The AN2458SH is a color encoder IC for NTSC/ PAL-patible CCD video camera. It outputs chroma signal after modulation of inputted R- Y and B- Y color difference signals with subcarrier signals.
Unit:mm
0.5 s Features
- patible with NTSC and PAL
- Carrier leak adjustment available
- Built-in blanking circuit
- Color phase adjustment available
- Improved temperature characteristics of color phase shift (within ±5˚C)
0.2±0.1
0.1±0.1
0.65±0.1
0.1 0.15 +
- 0.05
(0.5) 5.5±0.3 7.5±0.3
24-Pin SSOP Package (SSOP024-P-0300) s Block Diagrams
VREF
R- Y IN
23 22 NC
R- Y OFF
HUE R- Y SC Cont. BF IN
20 19 18
DC. Cont. C
BLK. IN
16 15 NC BLK
CP2. IN
VREF
DC Cont. Clamp MOD + CP2 Lim. BLK BLK MOD GC
CP2
Clamp...
