C1068 Linear Technology, C1068 Datasheet
C1068
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C1068 Summary of contents
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... FilterCAD The LTC1068 products are available in a 28-pin SSOP surface mount package. A customized version of an LTC1068 family product can be obtained in a 16-lead SO package with internal thin-film resistors. Please contact LTC Marketing for details. , LTC and LT are registered trademarks of Linear Technology Corporation. ...
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... 5V 4.75V 5V, Voltage at AGND S LTC1068C................................................ LTC1068I ........................................... – TOP VIEW INV B 1 INV C 24 HPB/NB 2 HPC/NC 23 BPB 3 BPC 22 LPB 4 LPC – AGND ...
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... Temperature Coefficient O Q Temperature Coefficient DC Offset Voltage (Note 5) (See Table 1) Clock Feedthrough Max Clock Frequency (Note 6) Power Supply Current LTC1068-200 (Internal Op Amps) V PARAMETER Operating Supply Voltage Range Voltage Swings Output Short-Circuit Current (Source/Sink) DC Open-Loop Gain GBW Product Slew Rate Analog Ground Voltage (Note 4) ...
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... O Q Temperature Coefficient DC Offset Voltage (Note 5) www.DataSheet4U.com (See Table 1) Clock Feedthrough Max Clock Frequency (Note 6) Power Supply Current LTC1068-50 (Internal Op Amps) V PARAMETER Operating Supply Voltage Range Voltage Swings Output Short-Circuit Current (Source/Sink) DC Open-Loop Gain GBW Product Slew Rate Analog Ground Voltage (Note 4) ...
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... O Q Temperature Coefficient DC Offset Voltage (Note 5) (See Table 1) www.DataSheet4U.com Clock Feedthrough Max Clock Frequency (Note 6) Power Supply Current LTC1068-25 (Internal Op Amps) V PARAMETER Operating Supply Voltage Range Voltage Swings Output Short-Circuit Current (Source/Sink) DC Open-Loop Gain GBW Product Slew Rate Analog Ground Voltage (Note 4) ...
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... CLK(MAX) (FOR MODE 2 R4 10R2 CENTER FREQUENCY LTC1068-25 (Complete Filter) V CONDITIONS 1MHz CLK OS1 (DC Offset of Input Inverter 5V 1MHz CLK OS2 (DC Offset of First Integrator 5V 1MHz CLK OS3 ...
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... MODE 2, R4 10R2 160 192 224 128 32 (kHz) FREQUENCY 1068 G07 LTC1068-50 Center Frequency Variation vs Clock Frequency 0.4 0.3 MODE 3 0.2 MODE 3 0 REFERENCE – 0.1 CENTER FREQUENCY WITH f = 0.5MHz CLK – 0.2 0.5 0.75 1.0 1.25 4.25 CLOCK FREQUENCY (MHz) ...
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... Q Noise Increase vs R2/R4 Ratio (Mode 3) 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 0 0.2 0.3 LTC1068/LTC1068-200/ LTC1068-25 Power Supply Current vs Power Supply 10.5 9.5 8.5 7.5 6.5 5.5 4 LTC1068-50 Noise vs Q 300 250 200 5V 150 5V 100 3. 1068 G13 0.9 0.4 0.5 0.6 0.7 0.8 1.0 R2/R4 RATIO 1068 G16 – ...
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... F capacitor (Figure 2). Two internal resistors bias the analog ground pin. For the LTC1068, LTC1068-200 and LTC1068-25, the voltage at the analog ground pin (AGND) for single supply is 0.5 V and for the LTC1068- 0.435 V 1 ANALOG GROUND ...
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... Output Pins Each 2nd order section of an LTC1068 device has three outputs that typically source 17mA and sink 6mA. Driving coaxial cables or resistive loads less than 20k will degrade the total harmonic distortion performance of any filter www ...
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... LTC1068, 200 for the LTC1068- CLK O 200, 50 for the LTC1068-50 and 25 for the LTC1068-25. Filter designs often require the different from the nominal ratio and in most cases different from each other. Ratios other than the nominal value are possible with external resistors ...
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... F05 – – ON OBP 1.005 – – 1/4 LTC1068 CLK AGND 1.005 O RATIO – – OHP OBP – (RATIO)(0.32)(R4) DEVICE RATIO LTC1068 100 LTC1068-200 200 ...
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... All DC104 boards are assembled with input, output and power supply test terminals, a 28-lead SSOP filter device (LTC1068CG Series), a dual op amp in an SO-8 for input or output buffers and decoupling capacitors for the filter and op amps. The filter and dual op amps share the power ...
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... LTC1068 Series U U APPLICATIONS INFORMATION supply inputs to the board. Jumpers JPA to JPD on the board configure the filter’s second order circuit modes, jumper JP1 configures the filter for dual or single supply operation and jumpers JP2 (A-D) to JP3 (A-D) configure the op amp buffers as inverting or noninverting. Surface mount pads are available on the board for 1206 size www ...
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... U U APPLICATIONS INFORMATION www.DataSheet4U.com W U LTC1068 Series 15 ...
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... INFORMATION A Surface Mount Printed Circuit Layout A very compact surface mount printed circuit layout can be designed with 0603 size surface mount resistors, capacitors and a 28-pin SSOP of the LTC1068 product family. An example of a printed circuit layout is shown in 70kHz Elliptic Bandpass Filter, f www.DataSheet4U.com R11 29.4k ...
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... R43 R33 R23 R22 R32 R52 GND R62 R64 R44 V R54 R34 R L3 R24 R H3 1068 TA09 LTC1068 Series R H1 R22 R52 R32 R62 C2 R64 R44 R54 R34 R24 1068 TA08 Solder Side OUT – ...
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... LTC1068 Series TYPICAL APPLICATIONS LTC1068-200 8th Order Linear Phase Lowpass, f for Ultralow Frequency Applications 1 INV B R21 12.4k 2 R11 HPB/NB 14.3k R31 10k 3 V BPB IN R41 15.4k 4 www.DataSheet4U.com LPB 5 SB LTC1068-200 AGND 0 R43 12.4k 11 LPA R33 12.4k 12 BPA R23 10k 13 HPA/NA 14 INV A ...
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... TYPICAL APPLICATIONS LTC1068-50 8th Order Linear Phase Lowpass, f for Single Supply Low Power Applictions. Maximum f 20kHz with a 3.3V Supply and 40kHz with a 5V Supply 1 R21 20.5k www.DataSheet4U.com 2 R11 22.6k R31 10k R41 22. 3.3V 0 R43 48.7k 11 R33 12. R23 10. 26.7k FilterCAD Custom Inputs for f ...
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... LTC1068 Series TYPICAL APPLICATIONS LTC1068-25 8th Order Lowpass, f Attenuation – 50dB at (1.25)(f (1.5)(f CUTOFF R L1 26.7k R21 10k R11 32.4k R31 10k www.DataSheet4U.com V IN R61 R51 2.21k 4.99k 5V 0.1 F R63 8.45k R53 4.99k R33 118k R23 10k R L3 20.5K FilterCAD Custom Inputs for /32, ...
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... TYPICAL APPLICATIONS LTC1068 8th Order Linear Phase Bandpass, f Passband – 3dB at (0.88)(f f CENTER R21 www.DataSheet4U.com 4.99k R11 R31 26.1k 19. R41 12.1k 5V 0.1 F R43 10.7k R33 14.7k 10 R23 4.99k 14.7k FilterCAD Custom Inputs for /128, CENTER CLK ) and (1.12)(f ). Maximum CENTER CENTER = 40kHz with 5V Supplies ...
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... LTC1068 Series TYPICAL APPLICATIONS LTC1068 8th Order Linear Phase Bandpass, f Passband – 3dB at (0.88)( 50kHz with 5V Supplies CENTER R21 www.DataSheet4U.com 10k R31 R11 24.3k 25. R41 107k 5V 0.1 F R63 2.32k R53 R43 4.99k 16.9k R33 17.4k R23 7.32k FilterCAD Custom Inputs for /100, ...
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... TYPICAL APPLICATIONS LTC1068 8th Order Linear Phase Bandpass, f Passband – 3dB at (0.7)(f CENTER Burst Response, Maximum f 1 R21 14.7k 2 www.DataSheet4U.com R31 R11 10k 11k R41 14. 0 R43 21.5k 9 R33 11.3k 10 R23 21k 11 12 FilterCAD Custom Inputs for f 2nd ORDER SECTION /100, ...
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... LTC1068 Series TYPICAL APPLICATIONS LTC1068-50 8th Order Linear Phase Bandpass, f Passband – 3dB at (0.8)(f Low Power Applicaions. Maximum f R21 10k R11 36.5k R31 30.1k V www.DataSheet4U.com IN R41 10.7k R51 R61 4.99k 1.74k 0.1 F R43 12.1k R33 26.7k R23 10k R L3 15.8K FilterCAD Custom Inputs for /40, ...
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... TYPICAL APPLICATIONS LTC1068-25 8th Order Bandpass, f Passband – 3dB at (0.965)(f Maximum f R21 4.99k R11 121k R31 97. www.DataSheet4U.com R61 R51 8.87k 4.99k 5V 0.1 F R63 6.49k R53 4.99k R33 124k R23 4.99k R L3 78. /32, CENTER CLK ) and (1.35)(f ). CENTER CENTER = 80kHz with 5V Supplies ...
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... LTC1068 Series TYPICAL APPLICATIONS LTC1068-200 8th Order Highpass, f Attenuation – 60dB at (0.6)(f Maximum 66.5k R21 10k R11 18.2k R31 16.5k www.DataSheet4U.com V IN R41 11.3k 5V 0.1 F R63 2.55k R53 4.99k R43 20.5k R33 36.5k R23 10k C23 [1/(2 • R23 • C23) = (160)(f FilterCAD Custom Inputs for /200, ...
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... Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. LTC1068 Series 0.397 – 0.407* (10.07 – 10.33) ...
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... LTC1068 Series TYPICAL APPLICATION LTC1068-200 8th Order Notch, f Attenuation www.DataSheet4U.com 5V RELATED PARTS PART NUMBER DESCRIPTION LTC1064 Universal Filter, Quad 2nd Order LTC1067/LTC1067-50 Low Power, Dual 2nd Order LTC1164 Low Power Universal Filter, Quad 2nd Order LTC1264 High Speed Universal Filter, Quad 2nd Order ...