LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block

The LT1568 is an easy-to-use, active-RC Filter building block with Rail-to-Rail inputs and outputs. The internal capacitors of the IC and the GBW product of the internal low noise op amps are trimmed such that consistent and repeatable Filter responses CAN be achieved. With a single resistor value, the LT1568 provides a pair of matched 2-pole Butterworth lowpass Filters with unity gain suitable for I/Q channels.
By using unequal-valued external resistors, the two 2-pole sections CAN create different frequency responses or gains. In addition, the two stages may be cascaded to create a single 4-pole Filter with a programmable response. Capable of cutoff frequencies up to 10MHz, the LT1568 is ideal for antialiasing or channel filtering in high speed data Communications systems. The LT1568 CAN also be used as a bandpass Filter
The LT1568 features very low noise, supporting signal-to-noise ratios of over 90dB. It also provides single-ended to differential signal conversion for directly driving high speed A/D converters The LT1568 has a shutdown mode that reduces supply current to approximately 0.5mA on a 5V supply.
The LT1568 is available in a narrow 16-lead SSOP package.
By Linear Technology Corporation
Part Manufacturer Description Datasheet Samples
LT1568CGN#TR Linear Technology LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C
LT1568CGN Linear Technology LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C
LT1568IGN Linear Technology LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C
LT1568IGN#PBF Linear Technology LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C
LT1568IGN#TRPBF Linear Technology LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C
LT1568IGN#TR Linear Technology LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C
LT1568CGN#PBF Linear Technology LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C
LT1568CGN#TRPBF Linear Technology LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C
LT1568 's PackagesLT1568 's pdf datasheet
LT1568CGN-PBF SSOP
LT1568CGN-TRPBF SSOP
LT1568IGN SSOP
LT1568IGN-PBF SSOP
LT1568IGN-TR SSOP
LT1568IGN-TRPBF SSOP




LT1568 Pinout, Pinouts
LT1568 pinout,Pin out
This is one package pinout of LT1568,If you need more pinouts please download LT1568's pdf datasheet.

LT1568 Application circuits
LT1568 circuits
This is one application circuit of LT1568,If you need more circuits,please download LT1568's pdf datasheet.


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