LTC1560-1
1MHz/500kHz Continuous Time Low Noise, Lowpass Elliptic Filter
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Features
- 5th Order, 1MHz Elliptic Filter in SO-8 Package
- Pin Selectable 1MHz/500kHz Cutoff Frequency
- Signal-to-Noise Ratio (SNR): 75dB
- Signal-to-Noise Ratio with –63dB THD: 69dB
- Passband Ripple (fCUTOFF = 1MHz): ±0.3dB
- Stopband Attenuation Better Than 60dB
- No External Components Required
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The LTC1560-1 is a 5th order, continuous-time, lowpass filter. The elliptic transfer function of the LTC1560-1 was carefully chosen to reach a compromise between selectivity, for antialiasing applications, and transient response. The filter cutoff frequency, fCUTOFF, is pin selectable to either 500kHz (Pin 5 to V+) or 1MHz (Pin 5 to V–). When programmed for 1MHz, the passband ripple is typically ±0.2dB up to 0.55fCUTOFF and ±0.3dB to 0.9fCUTOFF. The transition band gain is –24dB at 1.4fCUTOFF and –51dB at 2fCUTOFF. Stopband attenuation is 63dB at 2.43fCUTOFF and above, remaining at least 60dB to 10MHz with proper board layout. When the LTC1560-1 is programmed for fCUTOFF = 500kHz, the filter response closely follows the 1MHz case with the exception of passband flatness near the cutoff frequency; the gain at fCUTOFF is –1.3dB.
The LTC1560-1, unlike other high frequency filters, is designed for low noise and low distortion. With a 1VRMS input signal, the signal-to-noise ratio is 69dB and the THD is –63dB. The maximum SNR of 75dB is obtained with a 2.1VRMS input signal. This results in –46dB THD.
The LTC1560-1 operates with ±5V supplies, has a power saving mode and is available in an SO-8 surface mount package.
Other cutoff frequencies from 450kHz to 1.5MHz can be obtained. Demo board DC135A is available for the LTC1560-1. For more information please contact LTC Marketing.
Applications
- Antialiasing Filters
- Smoothing or Reconstruction Filters
- Communication Filters
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LTC1560-1
Documentation
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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 |
|---|---|---|---|
| LTC1560-1CS8#PBF |
8-Lead SOIC (Narrow 0.15 Inch)
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| LTC1560-1CS8#TRPBF |
8-Lead SOIC (Narrow 0.15 Inch)
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| LTC1560-1IS8#PBF |
8-Lead SOIC (Narrow 0.15 Inch)
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| LTC1560-1IS8#TRPBF |
8-Lead SOIC (Narrow 0.15 Inch)
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- LTC1560-1CS8#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
- LTC1560-1CS8#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
- LTC1560-1IS8#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
- LTC1560-1IS8#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)
LTC1560-1CS8#PBF
PRODUCTION
LTC1560-1CS8#TRPBF
PRODUCTION
LTC1560-1IS8#PBF
PRODUCTION
LTC1560-1IS8#TRPBF
PRODUCTION
Jun 16, 2021
- 21_0026
Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
LTC1560-1CS8#PBF
PRODUCTION
LTC1560-1CS8#TRPBF
PRODUCTION
LTC1560-1IS8#PBF
PRODUCTION
LTC1560-1IS8#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)
LTC1560-1CS8#PBF
PRODUCTION
LTC1560-1CS8#TRPBF
PRODUCTION
LTC1560-1IS8#PBF
PRODUCTION
LTC1560-1IS8#TRPBF
PRODUCTION
Jun 16, 2021
- 21_0026
Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
LTC1560-1CS8#PBF
PRODUCTION
LTC1560-1CS8#TRPBF
PRODUCTION
LTC1560-1IS8#PBF
PRODUCTION
LTC1560-1IS8#TRPBF
PRODUCTION
Software & Part Ecosystem
Evaluation Kits 1
DC135A
LTC1560-1CS8 | 5th Order 500KHz or 1MHz Elliptic Lowpass Filter
