THS7375

1

FEATURES

DESCRIPTION

APPLICATIONS

75 W

Y'/G'Out

CVBS/Sync

CVBS

+1.8V

R

Y'/G'

R

P’ /B'

B

R

P’ /R'

R

R

1

2

3

4

5

6

7

14

13

12

11

10

9

8

CH1OUT

CH2OUT

CH3OUT

CH4OUT

V

S+

BYPASS

NC

CH1IN

CH2IN

CH3IN

CH4IN

GND

DISABLE

NC

THS7375

ToGPIOController

orGND

75 W

75 W

P' /B'Out

B

75 W

75 W

P' /R'Out

R

75 W

75 W

75 W

+3Vto+5V

DaVinci

DMxxxx

THS7375

4-Channel SDTV Video Amplifier with 6th-Order Filters and 5.6-V/V Gain

23

• Four SDTV Video Amplifiers for CVBS,

Fabricated using the revolutionary complementary

Silicon-Germanium (SiGe) BiCom3X process, the

(R'G'B'), or SCART

THS7375 is a low-power, single-supply, 3 V to 5 V

four-channel integrated video buffer. It incorporates a

• Integrated Low-Pass Filters:

sixth-order Butterworth filter (able to be bypassed)

–

Sixth-Order 9.5-MHz (–3dB) Butterworth

that is useful as a digital-to-analog converter (DAC)

–

–0.1-dB Bandwidth at 6 MHz

reconstruction filter or an analog-to-digital converter

(ADC) anti-aliasing filter. The 9.5-MHz filter is a

–

–1-dB Passband Bandwidth at 8 MHz

perfect

choice

for

SDTV

video

that

includes

–

54-dB Attenuation at 27 MHz

composite (CVBS), S-video, Y'U'V', G'B'R' (R'G'B'),

• Versatile Input Biasing

–

DC-Coupled with 320-mV Output Shift

As part of the THS7375 flexibility, the input can be

–

AC-Coupled with Sync-Tip Clamp

configured for either ac or dc-coupled inputs. The

320-mV output level shift allows for a full sync

–

AC-Coupled with Biasing Allowed

dynamic range at the output with 0-V input. The

• Built-in 5.6-V/V Gain (14.95 dB)

ac-coupled modes include a transparent sync-tip

• +3-V to +5-V Single-Supply Operation

clamp option for CVBS, Y', and G'B'R' signals with

• Rail-to-Rail Output:

easily be achieved by adding an external resistor to

–

Output Swings Within 100 mV from the

Rails to Allow AC or DC Output Coupling

The THS7375 is the perfect choice for all video buffer

–

Supports Driving Two Lines per Channel

applications. Its rail-to-rail output stage with 5.6-V/V

• Low 9.8-mA at 3.3-V Total Quiescent Current

gain allows for both ac and dc line driving. This

• Low Differential Gain/Phase of 0.2%/0.35°

architecture makes the THS7375 an ideal choice for

DaVinci™ processors. The ability to drive two lines

• Lead-Free and Green TSSOP-14 Package

per channel, or 75-

Ω loads, allows for maximum

flexibility as a video line driver. The 9.8-mA total

quiescent current at 3.3 V and 0.1-

µA disabled

• Set Top Box Output Video Buffering

current

makes

it

an

excellent

choice

for

• Portable Media Player Video Buffering

USB-powered, portable, or other power-sensitive

applications.

• Security/Surveillance Systems

• DaVinci/OMAP/DMxxx Video Buffering

The THS7375 is available in a TSSOP-14 package

that is lead-free and green (RoHS) compliant.

Figure 1. 3.3-V Single-Supply, DC-Input/DC-Output Coupled Video Line Driver

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

DaVinci is a trademark of Texas Instruments Incorporated.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2008, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.