CXA1645P/M View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

View to exact match

CXA1645P/M

RGB Encoder

Sony Semiconductor 

CXA1645P/M

Pin Description

Pin

No.

Symbol Pin voltage

1 GND1

0V∗

Equivalent circuit

VCC1

∗ Externally applied voltage

Description

Ground for all circuits other than RGB,

composite video and Y/C output circuits.

The leads to GND2 should be as short and

wide as possible.

2 RIN

3 GIN

4 BIN

Black level

when

clamped

2

2.0V

3

4

5 NC

Analog RGB signal inputs. Input

100%, = 1Vp-p (max.). To minimize clamp

error, input at as low impedance as

possible.

ICLP turns ON only in the burst flag period.

GND1

ICLP

NO CONNECTION

VCC1

6 SCIN

—

20P 20k

6

129 20k

Subcarrier input.

Input 0.4 to 0.5Vp-p sine wave or pulse.

Refer to Notes on Operation, Nos. 3 and 5.

2.5V

100µ

GND1

7 NPIN

1.7V

VCC1

80k

68k

7

3k

Pin for switching between NTSC and PAL

modes

NTSC: VCC, PAL: GND

32k

GND1

VCC1

8

BFOUT

H : 3.6V

L : 3.2V

8

129

25µ

25µ

GND1

BF pulse monitoring output. Incapable of

driving a 75Ω load.

–2–

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