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TRF1305B1 Single-Channel, DC to > 7GHz, 3dB-Bandwidth, RF Fully Differential Amp
SBOSA17A
September 2024 – December 2024
TRF1305B1
PRODMIX
CONTENTS
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TRF1305B1 Single-Channel, DC to > 7GHz, 3dB-Bandwidth, RF Fully Differential Amp
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics - TRF1305B1
6.6
Typical Characteristics - TRF1305B1
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fully Differential RF Amplifier
7.3.2
Output Common-Mode Control
7.3.3
Internal Resistor Configuration
7.4
Device Functional Modes
7.4.1
MODE Pin
7.4.1.1
Input Common-Mode Extension
7.4.2
Power-Down Mode
8
Application and Implementation
8.1
Application Information
8.1.1
Input and Output Interface Considerations
8.1.1.1
Single-Ended Input
8.1.1.2
Differential Input
8.1.1.3
DC Coupling Considerations
8.1.2
Gain Adjustment With External Resistors in a Differential Input Configuration
8.2
Typical Application
8.2.1
TRF1305x1 as ADC Driver in a Zero-IF Receiver
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.3
Power Supply Recommendations
8.3.1
Supply Voltages
8.3.2
Single-Supply Operation
8.3.3
Split-Supply Operation
8.3.4
Supply Decoupling
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Thermal Considerations
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
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Data Sheet
TRF1305B1 Single-Channel, DC to > 7GHz, 3dB-Bandwidth, RF Fully Differential Amp
1
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
2
Applications
RF sampling or GSPS ADC driver
Test and measurement
Wireless communications test
RF digitizers
Oscilloscopes (DSOs)
High speed digitizer
Spectrum analyzer
Vector signal transceiver (VST)
Mass spectrometry systems
Common-mode level shifting
IQ mixer interface
