AN2458SH datasheet(3/3 Pages) PANASONIC

Part #	AN2458SH

Description	Color Encoder IC NTSC/PAL for CCD Video Camera

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Manufacturer	PANASONIC [Panasonic Semiconductor]

Direct Link	http://www.panasonic.com/industrial/

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s Application Circuit

Color difference (B–Y) input

GND

N. C.

Subcarrier (0˚) OFF

Pin No.

1

2

3

4

Pin name

Clamp pulse input

VCC (4.8V typ.)

N. C.

Blanking pulse input

13

14

15

16

Subcarrier(0˚) input

5

DC playback capacitor

17

90˚adjustment

6

Burst flag input

18

Phase-shift capacitor

7

Phase adjustment

19

Phase-shift capacitor

8

Subcarrier (90˚/270˚) input

20

Burst amplitude adjustment

9

Subcarrier (90˚/270˚) OFF

21

Phase-shift resistors

12

VREF (1.8V typ.)

24

N. C.

10

N. C.

22

Chroma plus burst output

11

Color difference (R–Y) input

23

Pin name

Pin No.

s Pin Descriptions

24

23

22

21 20 19 18 17 16 15

14

13

1234

5

6789

10

11

12

AN2458SH

1k

Ω

*10pF

10kB

6400

Ω

1

k

Ω

27k

Ω

10k

Ω

0.001

µF

1500

Ω

6800

Ω

6800

Ω

0.001

µF

1500

Ω

SC0˚IN

SC90˚IN

B–Ysig.IN

R–Ysig.IN

0.22

µF

0.22

µF

50kB

90.Adj.

Burst

Level

Chroma

Level

BPF

1k

Ω

1k

Ω

CHROMA

OUT

22

µH

100

µF 16.3V

VCC

(typ.4.8V)

+

0.047

µF

50kB

6400

Ω

10k

Ω

1k

Ω

10kB

27k

Ω

47

µF

16.3V

VREF

(typ.1.8V)

BF (Burst Flag) IN

BLK (BLan King) IN

CP2 (Clamp Pulse) IN

+

22

k

Ω

22

k

Ω

HUE

* The phase-shift capacitor is typically

10 pF for both NTSC and PAL.

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