SPT9400SCR ETC1 [List of Unclassifed Manufacturers], SPT9400SCR Datasheet

SPT9400SCR

Manufacturer Part Number

SPT9400SCR

Description

TRIPLE VIDEO DRIVER WITH Y/C & COMPOSITE OUTPUT

Manufacturer

ETC1 [List of Unclassifed Manufacturers]

Datasheet

1.SPT9400SCR.pdf (7 pages)

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FEATURES

• Triple Video Line Driver Chip With Y/C Inputs

• Composite and Y/C Outputs

• R

• Internal Clamping and Bias Circuitry

• Power-Down Standby Mode

• Very Small 5.0 x 4.4 mm Package

• Low Power Dissipation: 168 mW

• 1 V

• 6 dB Voltage Gain

• Flat Response f

• Crosstalk -40 dB (Typical)

• Single +5 Volt Power Supply

GENERAL DESCRIPTION

The SPT9400 is a triple video line driver chip that takes

standard Y/C analog inputs and provides simultaneous Y/C

and composite video analog outputs for driving 75

Internal summing of the Y and C inputs is performed to

produce composite video output. It is possible to achieve

composite output on both the Y and CVBS outputs simulta-

neously by inputting a composite signal on the Y input. The

luminance input is clamped at 1.25 V and amplified 6 dB to

produce a 2 V

BLOCK DIAGRAM

= 150

P-P

Input Range

P-P

(75

(typical) into a series 75

Signal Processing Technologies, Inc.

Back-Terminated Cable)

= 100 kHz to 10 MHz (typical)

4755 Forge Road, Colorado Springs, Colorado 80907, USA

Standby

C Input

Y Input

TRIPLE VIDEO DRIVER WITH Y/C & COMPOSITE OUTPUT

Phone: (719) 528-2300

resistor and 75

Reference

Standby

Clamp

1.25 V

Logic

2.0 V

Bias

Clamp

1.25 V

lines.

+V CC

GND

5 k

APPLICATIONS

• Video Editing Equipment

• Video Capture/Playback Cards

• Video Tape Recorders

• TV Monitor Sources

• Multimedia PCs

cable load. The internal 1.5 k

pensation for low frequency signals. The chrominance input

is biased at 2.0 V and amplified 6 dB to produce a 1.2 V

(typical), into a series 75

The SPT9400 features a standby (active low) mode that

draws only 113 W of power. Nominal power dissipation (no

input) is typically 168 mW. It requires a single +5 V supply,

operates over the commercial temperature range (0 to +70 C)

and is available in a very small (5.0 x 4.4 mm) 12-lead Shrink

Small Outline Package (SSOP).

FAX: (719) 528-2370

Driver

5 k

1.5 k

Y Output

Y Feedback

CVBS Output

C Output

SPT9400

CVBS Feedback

resistor and 75

resistor provides gain com-

cable load.

P-P

Related parts for SPT9400SCR

SPT9400SCR Summary of contents

Page 1

FEATURES • Triple Video Line Driver Chip With Y/C Inputs • Composite and Y/C Outputs • 150 (75 Back-Terminated Cable) L • Internal Clamping and Bias Circuitry • Power-Down Standby Mode • Very Small 5.0 x 4.4 mm ...

Page 2

ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur) Supply Voltages V ....................................................................... +6 Maximum Power Dissipation P D .................................................................................... Thermal Impedance (T =+25 C and above ............................................................................ Note: 1. Operation at any Absolute Maximum Rating is ...

Page 3

Figure 1 - Typical Interface Circuit 4.7 µF Y Input 2 + 1.0 V P-P 75 Reference 5 Standby 4.7 µF C Input 6 + 0.6 V P-P 75 SPT 5 µF + .01 µF ...

Page 4

Figure 2 - CVBS Output (Multiburst Test) Figure 3 - CVBS Output (DP/DG) SPT 4 SPT9400 8/24/98 ...

Page 5

Figure 4 - CVBS Output (Vector Scope) Figure 5 - CVBS Output (Bar and Line Time) SPT 5 SPT9400 8/24/98 ...

Page 6

SPT PACKAGE OUTLINE 12-Lead SSOP Suggested Pad Layout 6 INCHES SYMBOL MIN MAX A 0.165 0.181 B 0.189 0.205 C 0.012 typ D 0.031 typ E ...

Page 7

... ORDERING INFORMATION PART NUMBER SPT9400SCR Signal Processing Technologies, Inc. reserves the right to change products and specifications without notice. Permission is hereby expressly granted to copy this literature for informational purposes only. Copying this material for any other use is strictly prohibited. WARNING - LIFE SUPPORT APPLICATIONS POLICY - SPT products should not be used within Life Support Systems without the specific written consent of SPT ...

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