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TRF1305B1
  • TRF1305B1
  • TRF1305B1
  • TRF1305B1

TRF1305B1

ACTIVE

DC to >7.2GHz, 10dB gain, fully-differential RF amplifier with common-mode control

Texas Instruments TRF1305B1 Product Info

1 April 2026 4

Parameters

Type

RF FDA

Frequency (min) (MHz)

0

Frequency (max) (MHz)

7200

Gain (typ) (dB)

10

Noise figure (typ) (dB)

10.4

OIP3 (typ) (dBm)

34.5

P1dB (typ) (dBm)

15.6

Frequency of harmonic distortion measurement (GHz)

2

3rd harmonic (dBc)

-67.5

OIP2 (typ) (dBm)

61

2nd harmonic (dBc)

-60

Supply voltage (V)

5

Current consumption (mA)

95

Number of channels

1

Operating temperature range (°C)

-40 to 105

Rating

Catalog

Output enable

Yes

Package

WQFN-FCRLF (RPV)-12-4 mm² 2 x 2

Features

  • Three performance-optimized power gain variants:
    • 15dB (TRF1305A1)
    • 10dB (TRF1305B1)
    • 5dB (TRF1305C1)
  • Fixed gain can be reduced with external resistors
  • Wide large-signal RF bandwidth:
    • TRF1305B1: 7.2GHz (3dB), 6.4GHz (1dB)
  • OP1dB (differential 100Ω load):
    • 15.6dBm (2GHz), 12.9dBm (4GHz)
  • OIP3: 34.5dBm (2GHz), 25.5dBm (4GHz)
  • Noise Figure: 10.4dB (2GHz), 13.4dB (4GHz)
  • Slew rate: 25kV/µs
  • Large input (±1V) and output (±0.5V) common-mode voltage ranges
  • Flexible configurations and modes:
    • Single-ended input, differential output (S2D)
    • Differential input, differential output (D2D)
    • Single-ended output (limited performance)
    • AC- or DC-coupled input/output
    • Adjustable output common-mode voltage
    • Input common-mode range extension mode
  • Supports 5V, flexible single or split supplies
  • Active power dissipation: 475mW
  • Power-down mode
  • Three performance-optimized power gain variants:
    • 15dB (TRF1305A1)
    • 10dB (TRF1305B1)
    • 5dB (TRF1305C1)
  • Fixed gain can be reduced with external resistors
  • Wide large-signal RF bandwidth:
    • TRF1305B1: 7.2GHz (3dB), 6.4GHz (1dB)
  • OP1dB (differential 100Ω load):
    • 15.6dBm (2GHz), 12.9dBm (4GHz)
  • OIP3: 34.5dBm (2GHz), 25.5dBm (4GHz)
  • Noise Figure: 10.4dB (2GHz), 13.4dB (4GHz)
  • Slew rate: 25kV/µs
  • Large input (±1V) and output (±0.5V) common-mode voltage ranges
  • Flexible configurations and modes:
    • Single-ended input, differential output (S2D)
    • Differential input, differential output (D2D)
    • Single-ended output (limited performance)
    • AC- or DC-coupled input/output
    • Adjustable output common-mode voltage
    • Input common-mode range extension mode
  • Supports 5V, flexible single or split supplies
  • Active power dissipation: 475mW
  • Power-down mode

Description

The TRF1305B1 is a very-high-performance, closed-loop, single-channel RF amplifier that has an operational bandwidth from true-dc to > 7GHz. The device has excellent performance to drive high-speed, high-performance ADCs, such as the ADC12DJ5200RF and ADC32RF5x with a dc- or ac-coupled interface. The amplifier is optimized for use in RF, zero and complex IF, and high-speed time-domain applications. The device is optimized for performance in the fixed gain configuration. If lower gain is desired, use external resistors.

The TRF1305B1 features a VOCM pin that allows setting different output common-mode and input common-mode voltages; for example, level-shifting or for most IQ down-converter ADC-interface applications that have differing dc common-mode voltages. The TRF1305B1 also features a floating 2-rail split or single-supply option, and a MODE pin that allows extending the input common-mode range closer to the supplies.

The TRF1305B1 has a power-down feature. The device is fabricated with TI’s proprietary advanced BiCMOS process and is available in a space-saving, 2mm × 2mm, 12‑pin, WQFN-FCRLF package.

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