TA1383AFG datasheet(37/47 Pages) TOSHIBA

Part #	TA1383AFG

Description	NTSC Chroma Decoder, Multi-Point Scan Sync Processor, H/V Frequency Counter IC for Color TV

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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37 / 47 page

TA1383AFG

2005-09-05

37

SW Mode

Note No.

Characteristic

SW2

SW4

SW9

SW30

Test Method

SY11

AFC phase detection current

C

OPEN

C

(1)

Set SA 00H to C0H and SA 02H to A0H.

(2)

Set SW9 to open and measure #9 voltage V9 (6.3 to 6.4 V) (measure #9 voltage at no load).

(3)

Connect external power supply (PS) to TP9 and apply V9.

(4)

Set SW30 to A. Input 15.734-kHz sync signal d to D-SYNC1/Y3 IN. Monitor #9. Measure voltages V1 and

V2.

(5)

Set SA 02H data to C0H. Repeat steps (2) to (4) above. Measure voltages V3 and V4.

(6)

Set SA 02H data to 80H. Connect external power supply (PS) to TP9 and apply V9

− 0.1 V and measure

voltage V5.

(7)

Connect external power supply (PS) to TP9 and apply V9

+ 0.1 V and measure voltage V6.

(8)

Determine ID1 to ID6 using following equations.

ID1

+ = (V1 [V] ÷ 1 [kΩ]) × 1000 [µA]

ID1

− = (V2 [V] ÷ 1 [kΩ]) × 1000 [µA]

ID2

+ = (V3 [V] ÷ 1 [kΩ]) × 1000 [µA]

ID2

− = (V4 [V] ÷ 1 [kΩ]) × 1000 [µA]

ID3

+ = (V5 [V] ÷ 1 [kΩ]) × 1000 [µA]

ID3

− = (V6 [V] ÷ 1 [kΩ]) × 1000 [µA]

Signal d

#9 Pin Waveform

63.5

µs

4.7

µs

V1, V3, V5

V2, V4, V6

0.286 V

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TA1383AFG Datasheet(PDF) 37 Page - Toshiba Semiconductor

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