LT5524
Low Distortion IF Amplifier/ADC Driver with Digitally Controlled Gain
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Features
- Output IP3 at 100MHz: 40dBm
- Maximum Output Power: 16dBm
- Bandwidth: LF to 540MHz
- Propagation Delay: 0.8ns
- Maximum Gain: 27dB
- Gain Control Range: 22.5dB
- Gain Control Step: 1.5dB
- Gain Control Settling Time: 500ns
- Noise Figure: 8.6dB at 100MHz (Max Gain)
- Output Noise Floor: –138dBm/Hz (Max Gain)
- Reverse Isolation: –92dB
- Single Supply: 4.75V to 5.25V
- Shutdown Mode
- Enable/Disable Time: 1µs
- Differential I/O Interface
- 20-Lead TSSOP Package
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The LT5524 is a programmable gain amplifier (PGA) with bandwidth extending from low frequency (LF) to 540MHz. It consists of a digitally controlled variable attenuator, followed by a high linearity amplifier. Four parallel digital inputs control the gain over a 22.5dB range with 1.5dB step resolution. An on-chip power supply regulator/filter helps isolate the amplifier signal path from external noise sources.
The LT5524’s open-loop architecture offers stable operation for any practical load conditions, including peaking-free AC response when driving capacitive loads, and excellent reverse isolation.
The LT5524 may be operated broadband, where the output differential RC time constant sets the bandwidth, or it may be used as a narrowband driver with the appropriate output filter.
Applications
- High Linearity ADC Driver
- IF Sampling Receivers
- VGA IF Power Amplifier
- 50Ω Driver
- Instrumentation Applications
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LT5524
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Data Sheet 1
Reliability Data 1
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LT5524EFE#PBF |
20-Lead TSSOP w/ EP
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| LT5524EFE#TRPBF |
20-Lead TSSOP w/ EP
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- LT5524EFE#PBF
- Pin/Package Drawing
-
20-Lead TSSOP w/ EP
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- LT5524EFE#TRPBF
- Pin/Package Drawing
-
20-Lead TSSOP w/ EP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
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SamacSys
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Product Lifecycle
PCN
Apr 6, 2022
- 22_0068
Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL
LT5524EFE#PBF
PRODUCTION
LT5524EFE#TRPBF
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Apr 6, 2022
- 22_0068
Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL
LT5524EFE#PBF
PRODUCTION
LT5524EFE#TRPBF
PRODUCTION
Software & Part Ecosystem
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|---|---|---|
|
LAST TIME BUY |
800MHz, 31dB Range Analog-Controlled VGA |
|
|
RECOMMENDED FOR NEW DESIGNS |
High Linearity Differential RF/IF Amplifier/ADC Driver |
Evaluation Kits 1
DC807A
LT5524EFE | IF Amp/ADC Driver
Product Detail
DC807A: Demo Board for the LT5524 Low Distortion IF Amplifier/ADC Driver with Digitally Controlled Gain.
Resources
Evaluation Kits1
Tools & Simulations 1
ADIsimRF
