LT6600-20
Very Low Noise, Differential Amplifier and 20MHz Lowpass Filter
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Features
- Programmable Differential Gain via Two External Resistors
- Adjustable Output Common Mode Voltage
- Operates and Specified with 3V, 5V, ±5V Supplies
- 0.5dB Ripple 4th Order Lowpass Filter with 20MHz Cutoff
- 76dB S/N with 3V Supply and 2VP-P Output
- Low Distortion, 2VP-P, 800Ω Load
- 2.5MHz: 83dBc 2nd, 88dBc 3rd
- 20MHz: 63dBc 2nd, 64dBc 3rd
- Fully Differential Inputs and Outputs
- SO-8 Package
- Compatible with Popular Differential Amplifier Pinouts
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The LT6600-20 combines a fully differential amplifier with a 4th order 20MHz lowpass filter approximating a Chebyshev frequency response. Most differential amplifiers require many precision external components to tailor gain and bandwidth. In contrast, with the LT6600-20, two external resistors program differential gain, and the filter’s 20MHz cutoff frequency and passband ripple are internally set. The LT6600-20 also provides the necessary level shifting to set its output common mode voltage to accommodate the reference voltage requirements of A/Ds.
Using a proprietary internal architecture, the LT6600-20 integrates an antialiasing filter and a differential amplifier/ driver without compromising distortion or low noise performance. At unity gain the measured in band signal-to-noise ratio is an impressive 76dB. At higher gains the input referred noise decreases so the part can process smaller input differential signals without significantly degrading the output signal-to-noise ratio.
The LT6600-20 also features low voltage operation. The differential design provides outstanding performance for a 2VP-P signal level while the part operates with a single 3V supply.
The LT6600-20 is packaged in an SO-8 and is pin compatible with stand alone differential amplifiers.
Applications
- High Speed ADC Antialiasing and DAC Smoothing in Networking or Cellular Base Station Applications
- High Speed Test and Measurement Equipment
- Medical Imaging
- Drop-in Replacement for Differential Amplifiers
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LT6600-20
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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 |
|---|---|---|---|
| LT6600CS8-20#PBF |
8-Lead SOIC (Narrow 0.15 Inch)
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| LT6600CS8-20#TRPBF |
8-Lead SOIC (Narrow 0.15 Inch)
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| LT6600IS8-20#PBF |
8-Lead SOIC (Narrow 0.15 Inch)
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| LT6600IS8-20#TRPBF |
8-Lead SOIC (Narrow 0.15 Inch)
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- LT6600CS8-20#PBF
- Pin/Package Drawing
-
8-Lead SOIC (Narrow 0.15 Inch)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6600CS8-20#TRPBF
- Pin/Package Drawing
-
8-Lead SOIC (Narrow 0.15 Inch)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6600IS8-20#PBF
- Pin/Package Drawing
-
8-Lead SOIC (Narrow 0.15 Inch)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6600IS8-20#TRPBF
- Pin/Package Drawing
-
8-Lead SOIC (Narrow 0.15 Inch)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Oct 12, 2022
- 22_0255
Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)
LT6600CS8-20#PBF
PRODUCTION
LT6600CS8-20#TRPBF
PRODUCTION
LT6600IS8-20#PBF
PRODUCTION
LT6600IS8-20#TRPBF
PRODUCTION
Jun 16, 2021
- 21_0026
Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
LT6600CS8-20#PBF
PRODUCTION
LT6600CS8-20#TRPBF
PRODUCTION
LT6600IS8-20#PBF
PRODUCTION
LT6600IS8-20#TRPBF
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Oct 12, 2022
- 22_0255
Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)
LT6600CS8-20#PBF
PRODUCTION
LT6600CS8-20#TRPBF
PRODUCTION
LT6600IS8-20#PBF
PRODUCTION
LT6600IS8-20#TRPBF
PRODUCTION
Jun 16, 2021
- 21_0026
Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
LT6600CS8-20#PBF
PRODUCTION
LT6600CS8-20#TRPBF
PRODUCTION
LT6600IS8-20#PBF
PRODUCTION
LT6600IS8-20#TRPBF
PRODUCTION
Software & Part Ecosystem
Evaluation Kits 1
DC962A-E
LT6600-20 Frequency (Fc) = 20MHz
Product Detail
DC962A-E: Demo Board for the LT6600-20 Very Low Noise, Differential Amplifier and 20MHz Lowpass Filter.
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