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Products
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TGA4840-SM

TGA4840-SM

28 Gb/s QSFP28 CFPx Optical Modulator Driver

Qorvo's TGA4840-SM is an optical modulator driver amplifier designed for the CFP2 100 Gb/s optical markets. The TGA4840-SM is a compact SMT package with 10dB of gain and 1.5Vpp output power and High BW of 25GHz. The TGA4840-SM provides Client side designers with system critical features such as: low power dissipation, high signal to noise ratio (SNR), fast rise and fall times, low output jitter.

The TGA4840-SM finish is lead-free. This part is RoHS compliant. Evaluation boards and bias boards are available upon request.

Discontinued
i
No Applications Support Available
Product Data Sheet05/01/2013
Buy OnlineRequest a SampleContact Sales
Buy OnlineRequest a SampleContact Sales

Key Features

  • CFPx and QSFP28 100G Low Power Driver
  • Adjustable Output Amplitude, 1-3Vpp
  • Low Additive RMS Jitter, 600 fsec
  • Gain, 9 dB at 20 GHz
  • Low DC Power Dissipation, 165m W @ 1.5 Vpp at Vd=3.3V
  • Rise and Fall Times, 12.5 psec
  • Package Size: 3 x 4 x 0.85 mm

Typical Applications

  • 28 Gb/s CFP2 Driver
  • EML Driver

Parameters

Frequency Min (GHz)
DC
Frequency Max (GHz)
32
Vpp (V)
1 to 3
Gain (dB)
10
3 dB Bandwidth (GHz)
25
Voltage (V)
3.3
Current (mA)
50
RoHS
Yes
Lead Free
No
Halogen Free
Yes
ITAR Restricted
No
ECCN
5A991.B

Technical Documents

Filters
1 result found
All (1)
  • Product Data Sheet

    05/01/2013
    Data Sheet
Results per page
10

Design Resources

Filters
2 results found
All (2)
  • S-Parameters

    S-Parameters (3 V @ 50 mA)

    S-Parameters
  • S-Parameters

    S-Parameters (5 V @ 50 mA)

    S-Parameters
Results per page
10

Need more support?

At Qorvo, our customers are a core part of what we do, and we want every experience you have with us to be as reliable as our products. If you have a question or if something isn't working the way you expect, please let us know.

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Qorvo products are at work connecting, protecting and powering the planet. We bring core radio frequency (RF) and power technologies and solutions to automotive, consumer, defense & aerospace, industrial & enterprise, infrastructure and mobile markets.

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© 2026 Qorvo US, Inc

|

+1-833-641-3810

/
Products
/
TGA4840-SM

TGA4840-SM

28 Gb/s QSFP28 CFPx Optical Modulator Driver

Qorvo's TGA4840-SM is an optical modulator driver amplifier designed for the CFP2 100 Gb/s optical markets. The TGA4840-SM is a compact SMT package with 10dB of gain and 1.5Vpp output power and High BW of 25GHz. The TGA4840-SM provides Client side designers with system critical features such as: low power dissipation, high signal to noise ratio (SNR), fast rise and fall times, low output jitter.

The TGA4840-SM finish is lead-free. This part is RoHS compliant. Evaluation boards and bias boards are available upon request.

Discontinued
i
No Applications Support Available
Product Data Sheet05/01/2013
Buy OnlineRequest a SampleContact Sales
Buy OnlineRequest a SampleContact Sales

Key Features

  • CFPx and QSFP28 100G Low Power Driver
  • Adjustable Output Amplitude, 1-3Vpp
  • Low Additive RMS Jitter, 600 fsec
  • Gain, 9 dB at 20 GHz
  • Low DC Power Dissipation, 165m W @ 1.5 Vpp at Vd=3.3V
  • Rise and Fall Times, 12.5 psec
  • Package Size: 3 x 4 x 0.85 mm

Typical Applications

  • 28 Gb/s CFP2 Driver
  • EML Driver

Parameters

Frequency Min (GHz)
DC
Frequency Max (GHz)
32
Vpp (V)
1 to 3
Gain (dB)
10
3 dB Bandwidth (GHz)
25
Voltage (V)
3.3
Current (mA)
50
RoHS
Yes
Lead Free
No
Halogen Free
Yes
ITAR Restricted
No
ECCN
5A991.B

Technical Documents

Filters
1 result found
All (1)
  • Product Data Sheet

    05/01/2013
    Data Sheet
Results per page
10

Design Resources

Filters
2 results found
All (2)
  • S-Parameters

    S-Parameters (3 V @ 50 mA)

    S-Parameters
  • S-Parameters

    S-Parameters (5 V @ 50 mA)

    S-Parameters
Results per page
10

Need more support?

At Qorvo, our customers are a core part of what we do, and we want every experience you have with us to be as reliable as our products. If you have a question or if something isn't working the way you expect, please let us know.

Forum

Forum

Engage with the Qorvo community, ask technical questions and share insights.

Support

Support

Get technical, application or customer support plus updates on supply chain and FAQs.

Sales

Sales

Connect with our sales team to gain tailored solutions, expert guidance and access to the latest technologies.

Stay up to date with us.

Sign up for notification on new products, product/process change notifications (PCNs) and end of life (EOL) alerts.

Sign Up

Qorvo products are at work connecting, protecting and powering the planet. We bring core radio frequency (RF) and power technologies and solutions to automotive, consumer, defense & aerospace, industrial & enterprise, infrastructure and mobile markets.

Stay Connected

  • Facebook
  • X
  • LinkedIn
  • YouTube
  • Products
  • Solutions
  • Design Hub
  • New Products
  • Product Compliance
  • Blog Posts
  • Events & Trade Shows
  • News Releases
  • Success Stories
  • Technical Articles
  • About Us
  • Careers
  • Corporate Videos
  • Quality
  • Locations
  • Investors
  • How to Buy
  • Forums
  • Portals
  • Contact Us
  • Subscription Center
Site MapFeedbackLegalPrivacySupply Chain Transparency

© 2026 Qorvo US, Inc

|

+1-833-641-3810

Qorvo
  • Products
  • Solutions
  • Design Hub
  • Support
  • About Us
Qorvo
Qorvo
Qorvo
  • Products
  • Solutions
  • Design Hub
  • Support
  • About Us
Qorvo
Qorvo