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THS7313
  • THS7313

THS7313

ACTIVE

3-Channel Low Power SDTV Video Amp w/I2C Control +6dB Gain SAG Correct 2:1 MUX

Texas Instruments THS7313 Product Info

1 April 2026 0

Parameters

Number of channels

3

Diff gain (%)

0.07

Iout (typ) (A)

0.07

Vs (min) (V)

2.6

Vs (max) (V)

5.5

Diff phase (°)

0.12

Iq (typ) (mA)

16.6

Number of filter poles

5

Features

I2C control method

Input configuration

2:1

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Package

TSSOP (PW)-20-41.6 mm² 6.5 x 6.4

Features

  • 3 SDTV Video Amplifiers for CVBS, S-Video, Y'P'BP'R 480i/576i, or G'B'R' Video Systems
  • I2C™ Control of All Functions on Each Channel
  • Integrated Low-Pass Filters
    • 5th Order, 8-MHz Butterworth
        0.5-dB Attenuation at 5.5 MHz
        48-dB Attenuation at 27 MHz
  • Selectable Input Bias Modes
    • AC-Coupled with Sync-Tip Clamp
    • AC-Coupled with Bias
    • DC-Coupled with 135-mV Input Shift
    • DC-Coupled
  • 2:1 Input MUX Allows Multiple Input Sources
  • Built-in 6-dB Gain (2 V/V)
  • SAG Correction Capable
  • 2.7-V to 5-V Single Supply Operation
  • Individual Disable (<1 µA) and Mute Control
  • Rail-to-Rail Output:
    • Output Swings within 100 mV from the Rails Which Allows AC or DC Output Coupling
    • Able to Drive up to 2 Video Lines - 75
  • Low 16.6-mA (3.3 V) Total Quiescent Current
  • Low Differential Gain/Phase of 0.07% / 0.12°
  • APPLICATIONS
    • Set Top Box Output Video Buffering
    • PVR/DVDR Output Buffering
    • USB/Portable Low Power Video Buffering

I2C is a trademark of Philips Electronics.

  • 3 SDTV Video Amplifiers for CVBS, S-Video, Y'P'BP'R 480i/576i, or G'B'R' Video Systems
  • I2C™ Control of All Functions on Each Channel
  • Integrated Low-Pass Filters
    • 5th Order, 8-MHz Butterworth
        0.5-dB Attenuation at 5.5 MHz
        48-dB Attenuation at 27 MHz
  • Selectable Input Bias Modes
    • AC-Coupled with Sync-Tip Clamp
    • AC-Coupled with Bias
    • DC-Coupled with 135-mV Input Shift
    • DC-Coupled
  • 2:1 Input MUX Allows Multiple Input Sources
  • Built-in 6-dB Gain (2 V/V)
  • SAG Correction Capable
  • 2.7-V to 5-V Single Supply Operation
  • Individual Disable (<1 µA) and Mute Control
  • Rail-to-Rail Output:
    • Output Swings within 100 mV from the Rails Which Allows AC or DC Output Coupling
    • Able to Drive up to 2 Video Lines - 75
  • Low 16.6-mA (3.3 V) Total Quiescent Current
  • Low Differential Gain/Phase of 0.07% / 0.12°
  • APPLICATIONS
    • Set Top Box Output Video Buffering
    • PVR/DVDR Output Buffering
    • USB/Portable Low Power Video Buffering

I2C is a trademark of Philips Electronics.

Description

Fabricated using the new complimentary silicon-germanium (SiGe) BiCom-III process, the THS7313 is a low-power, single-supply 2.7-V to 5-V, 3-channel integrated video buffer. It incorporates a 5th order Butterworth filter which is useful as a digital-to-analog converter (DAC) reconstruction filter or an analog-to-digital converter (ADC) anti-aliasing filter. The 8-MHz filter is a perfect choice for SDTV video which includes composite (CVBS), S-Video, Y'U'V', G'B'R', and Y'P'BP'R 480i/576i.

Each channel of the THS7313 is individually I2C configurable for all functions which makes it flexible for any application. Its rail-to-rail output stage allows for both ac and dc coupling applications. The 6-dB gain along with the built-in SAG correction allows for maximum flexibility as an output video buffer.

The 16.6 mA total quiescent current at 3.3 V (55 mW) makes it an excellent choice for USB powered or portable video applications. While fully disabled, the THS7313 consumes less than 1 µA.

The THS7313 is available in a small lead-free and RoHS compliant TSSOP-20 package.

As part of the THS7313 flexibility, the 2:1 MUX input can be selected for ac or dc coupled inputs. The ac coupled modes include a sync-tip clamp option for CVBS or Y' signals, or a fixed bias for the C/P'B/P'R channels. The dc input options include a dc input or a dc + 135-mV input offset shift to allow for a full sync dynamic range at the output with 0-V input.

Fabricated using the new complimentary silicon-germanium (SiGe) BiCom-III process, the THS7313 is a low-power, single-supply 2.7-V to 5-V, 3-channel integrated video buffer. It incorporates a 5th order Butterworth filter which is useful as a digital-to-analog converter (DAC) reconstruction filter or an analog-to-digital converter (ADC) anti-aliasing filter. The 8-MHz filter is a perfect choice for SDTV video which includes composite (CVBS), S-Video, Y'U'V', G'B'R', and Y'P'BP'R 480i/576i.

Each channel of the THS7313 is individually I2C configurable for all functions which makes it flexible for any application. Its rail-to-rail output stage allows for both ac and dc coupling applications. The 6-dB gain along with the built-in SAG correction allows for maximum flexibility as an output video buffer.

The 16.6 mA total quiescent current at 3.3 V (55 mW) makes it an excellent choice for USB powered or portable video applications. While fully disabled, the THS7313 consumes less than 1 µA.

The THS7313 is available in a small lead-free and RoHS compliant TSSOP-20 package.

As part of the THS7313 flexibility, the 2:1 MUX input can be selected for ac or dc coupled inputs. The ac coupled modes include a sync-tip clamp option for CVBS or Y' signals, or a fixed bias for the C/P'B/P'R channels. The dc input options include a dc input or a dc + 135-mV input offset shift to allow for a full sync dynamic range at the output with 0-V input.

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