Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    AD7703 Search Results

    AD7703 Result Highlights (5)

    Part ECAD Model Manufacturer Description Download Buy
    AD7703BNZ Analog Devices 20-BIT S-D ADC IC Visit Analog Devices Buy
    AD7703ARZ Analog Devices 20-BIT S-D ADC IC Visit Analog Devices Buy
    AD7703CRZ Analog Devices 20-BIT S-D ADC IC Visit Analog Devices Buy
    AD7703CNZ Analog Devices 20-BIT S-D ADC IC Visit Analog Devices Buy
    AD7703ANZ Analog Devices 20-BIT S-D ADC IC Visit Analog Devices Buy
    SF Impression Pixel

    AD7703 Price and Stock

    Rochester Electronics LLC AD7703BR

    IC ADC 20BIT SIGMA-DELTA 20SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD7703BR Tube 3,185 8
    • 1 -
    • 10 $38.82
    • 100 $38.82
    • 1000 $38.82
    • 10000 $38.82
    Buy Now

    Rochester Electronics LLC AD7703CR

    IC ADC 20BIT SIGMA-DELTA 20SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD7703CR Tube 2,307 7
    • 1 -
    • 10 $43.53
    • 100 $43.53
    • 1000 $43.53
    • 10000 $43.53
    Buy Now

    Rochester Electronics LLC AD7703CN

    IC ADC 20BIT SIGMA-DELTA 20DIP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD7703CN Tube 115 7
    • 1 -
    • 10 $47.46
    • 100 $47.46
    • 1000 $47.46
    • 10000 $47.46
    Buy Now

    Analog Devices Inc AD7703ARZ

    IC ADC 20BIT SIGMA-DELTA 20SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD7703ARZ Tube 40 1
    • 1 $65.93
    • 10 $51.739
    • 100 $45.4
    • 1000 $45.4
    • 10000 $45.4
    Buy Now
    Mouser Electronics AD7703ARZ
    • 1 $60.51
    • 10 $56.85
    • 100 $53.18
    • 1000 $50.98
    • 10000 $50.98
    Get Quote
    Verical AD7703ARZ 3 1
    • 1 $50.56
    • 10 $45.71
    • 100 $42.99
    • 1000 $42.99
    • 10000 $42.99
    Buy Now
    Arrow Electronics AD7703ARZ 3 10 Weeks 1
    • 1 $50.56
    • 10 $45.71
    • 100 $42.99
    • 1000 $42.99
    • 10000 $42.99
    Buy Now
    Newark AD7703ARZ Bulk 8 1
    • 1 $60.52
    • 10 $52.82
    • 100 $48.65
    • 1000 $48.65
    • 10000 $48.65
    Buy Now
    Analog Devices Inc AD7703ARZ 308
    • 1 $65.93
    • 10 $51.739
    • 100 $45.4
    • 1000 $33.33
    • 10000 $33.33
    Buy Now
    Richardson RFPD AD7703ARZ 13
    • 1 -
    • 10 -
    • 100 $49.4
    • 1000 $47.49
    • 10000 $47.49
    Buy Now
    Chip1Stop AD7703ARZ Tube 11
    • 1 $43
    • 10 $42.8
    • 100 $42.8
    • 1000 $42.8
    • 10000 $42.8
    Buy Now

    Analog Devices Inc AD7703ANZ

    IC ADC 20BIT SIGMA-DELTA 20DIP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD7703ANZ Tube 18 1
    • 1 $73.28
    • 10 $57.879
    • 100 $51.5125
    • 1000 $51.5125
    • 10000 $51.5125
    Buy Now
    Mouser Electronics AD7703ANZ 18
    • 1 $66.6
    • 10 $64.73
    • 100 $60.73
    • 1000 $56.94
    • 10000 $56.94
    Buy Now
    Analog Devices Inc AD7703ANZ 4
    • 1 $73.28
    • 10 $57.879
    • 100 $51.5125
    • 1000 $37.61
    • 10000 $37.61
    Buy Now
    Quest Components AD7703ANZ 104
    • 1 $46.818
    • 10 $46.818
    • 100 $37.4544
    • 1000 $37.4544
    • 10000 $37.4544
    Buy Now
    Richardson RFPD AD7703ANZ 18
    • 1 -
    • 10 -
    • 100 $56.05
    • 1000 $53.89
    • 10000 $53.89
    Buy Now

    AD7703 Datasheets (42)

    Part ECAD Model Manufacturer Description Curated Type PDF
    AD7703 Analog Devices 20 BIT, 0.1 to 10 Hz CLOCK PROGRAMMABLE 6 POLE GAUSSIAN (BRICK WALL) FILTER Original PDF
    AD7703 Analog Devices 20-Bit Sigma-Delta ADC Original PDF
    AD7703 Analog Devices LC2MOS 20-Bit Sigma-Delta ADC Original PDF
    AD7703AN Analog Devices LC2MOS 20 Bit A/D Converter Original PDF
    AD7703AN Analog Devices LC2MOS 20-Bit A/D Converter Original PDF
    AD7703AN Analog Devices LC2MOS 20-Bit A/D Converter Scan PDF
    AD7703ANZ Analog Devices 20-Bit Sigma-Delta ADC Original PDF
    AD7703AQ Analog Devices LC2MOS 20 Bit A/D Converter Original PDF
    AD7703AQ Analog Devices LC2MOS 20-Bit A/D Converter Original PDF
    AD7703AQ Analog Devices LC2MOS 20-Bit A/D Converter Scan PDF
    AD7703AR Analog Devices LC2MOS 20-Bit A/D Converter Original PDF
    AD7703AR Analog Devices LC2MOS 20-Bit A/D Converter Scan PDF
    AD7703AR-REEL Analog Devices 20-Bit Sigma-Delta ADC Original PDF
    AD7703ARZ Analog Devices 20-Bit Sigma-Delta ADC Original PDF
    AD7703BN Analog Devices LC2MOS 20 Bit A/D Converter Original PDF
    AD7703BN Analog Devices LC2MOS 20-Bit A/D Converter Original PDF
    AD7703BN Analog Devices LC2MOS 20-Bit A/D Converter Scan PDF
    AD7703BNZ Analog Devices 20-Bit Sigma-Delta ADC Original PDF
    AD7703BQ Analog Devices LC2MOS 20-Bit A/D Converter Original PDF
    AD7703BQ Analog Devices LC2MOS 20 Bit A/D Converter Original PDF

    AD7703 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    AD7703

    Abstract: No abstract text available
    Text: LC2MOS 20-Bit A/D Converter AD7703 FEATURES Monolithic 16-Bit ADC 0.0015% Linearity Error On-Chip Self-Calibration Circuitry Programmable Low-Pass Filter 0.1 Hz to 10 Hz Corner Frequency 0 V to +2.5 V or ؎2.5 V Analog Input Range 4 kSPS Output Data Rate Flexible Serial Interface


    Original
    PDF 20-Bit AD7703 16-Bit C01165â 20-Lead AD7703

    AD7703

    Abstract: 1500MHO AD7703AN AD7703AQ AD7703AR AD7703BN AD7703BQ AD7703BR AD7703CN AD7703CR
    Text: LC2MOS 20-Bit A/D Converter AD7703 FEATURES Monolithic 16-Bit ADC 0.0015% Linearity Error On-Chip Self-Calibration Circuitry Programmable Low-Pass Filter 0.1 Hz to 10 Hz Corner Frequency 0 V to +2.5 V or ؎2.5 V Analog Input Range 4 kSPS Output Data Rate Flexible Serial Interface


    Original
    PDF 20-Bit AD7703 16-Bit AD7703 4/03--Data C01165 20-Lead 1500MHO AD7703AN AD7703AQ AD7703AR AD7703BN AD7703BQ AD7703BR AD7703CN AD7703CR

    AD77XX

    Abstract: AD7705 AD280 AD7701 AD7703 AD7710 AD7711 AD7712 AD7713 AD7730
    Text: SIGMA DELTA TRANSDUCER INTERFACE: FEATURES FEATURES THAT DIFFERENTIATE THE AD77XX FAMILY # BITS # # Diff Single 20 uA Inputs Ended Current Inputs Source +3V 100 nA 200 uA PGA Input Operation I-source Internal Current 1-128 Atten. Open +2.5V Source T/Couple Reference


    Original
    PDF AD77XX AD7701 AD7703: AD7703 AD280 AD77xx: AD7705 AD7730 AD7731 AD7705 AD280 AD7701 AD7703 AD7710 AD7711 AD7712 AD7713 AD7730

    AD77XX

    Abstract: AD280 AD7701 AD7703 AD7705 AD7710 AD7711 AD7712 AD7713 AD7730
    Text: A/D CONVERTERS: SIGMA DELTA TRANSDUCER INTERFACE: FEATURES FEATURES THAT DIFFERENTIATE THE AD77XX FAMILY # BITS # # Diff Single 20 uA Inputs Ended Current Inputs Source +3V 100 nA 200 uA PGA Input Operation I-source Internal Current 1-128 Atten. Open +2.5V


    Original
    PDF AD77XX AD7701 AD7703: AD7703 AD280 AD77xx: AD7705 AD7730 AD7731 AD280 AD7701 AD7703 AD7705 AD7710 AD7711 AD7712 AD7713 AD7730

    tare

    Abstract: AD7703 AD7705 AD7706 AD7707 AD7710 AD7715 AD7730 AD7730L AD7731
    Text: A/D CONVERTERS: SIGMA/DELTA : TRANSDUCER INTERFACE SIGMA/DELTA Transducer Interface: Analog to Digital Converters MODEL Power Supply Master Requirements CLK # +Icc -Iee FREQ Bits +Vcc mA -Vee mA MHz Vin V GAIN=1 RESOLUTION IN BITS Output Output Output Output


    Original
    PDF AD7701 AD1555 AD1556 AD1555/56 tare AD7703 AD7705 AD7706 AD7707 AD7710 AD7715 AD7730 AD7730L AD7731

    AD6201

    Abstract: high voltage 3-phase motor driver ic generation function gps 2105 DAC8842 AD1892 AD7752 AD1845 8051-B AD7804 AD2S82A
    Text: A GMPLIFIERS ENERAL PURPOSE COMPONENTS OVERVIEW A/D CONVERTERS OVERVIEW P-3 <1 MSPS (P-4, 5) Single Supply (P-6, 7) >1 MSPS <20 (P-8) OVERVIEW (P-14) Low Bias Current (P-15) Precision ᭤ ᭤ ᭤ ᭤ ᭤ Mult/Div/Sq Root RMS Converters Trig Function Generators


    Original
    PDF ADV7151 ADV7152 10-Bit ADV7160 ADV7162 ADV101 BT101 ADV7120 10-Bit ADV7122 AD6201 high voltage 3-phase motor driver ic generation function gps 2105 DAC8842 AD1892 AD7752 AD1845 8051-B AD7804 AD2S82A

    lvdt accelerometer

    Abstract: Analog Devices AD7752 AD1845 AD22057 strain gauge OP07 REF01 AD1892 OP181 AD594 AD8541 AD215
    Text: ANALOG DEVICES CD REFERENCE CATEGORY SUBCATEGORY A/D Converter < 1 MSPS Encoders no T/H, Multiple Supplies AD1376 AD5212 AD5215 AD570 AD571 AD573 AD574A AD578 AD673 AD674B AD7572 AD7572A AD7578 AD7582 AD7672 AD774B ADADC71 ADADC72 ADADC80 ADADC84 ADADC85 ADC912A


    Original
    PDF AD1376 AD5212 AD5215 AD570 AD571 AD573 AD574A AD578 AD673 AD674B lvdt accelerometer Analog Devices AD7752 AD1845 AD22057 strain gauge OP07 REF01 AD1892 OP181 AD594 AD8541 AD215

    Sigma AS 226 manual DE INSTRUCCIONES

    Abstract: BL1100 lcd dgl lt1094 4n40 opto coupled scr BL1110 optrex dmc20481 application note SBC200E RP5A WIRING DIAGRAM aj68
    Text: BL1100 C-Programmable Controller User’s Manual 019–0010 • 041015–E BL1100 User’s Manual Part Number 019-0010 • 041015-E • Printed in U.S.A. 1999–2004 Z-World, Inc. • All rights reserved. Z-World reserves the right to make changes and improvements to its products without providing notice.


    Original
    PDF BL1100 BL1100 041015-E XP8500 XP8600 XP8700 XP8800 XP8900 z180baud Sigma AS 226 manual DE INSTRUCCIONES lcd dgl lt1094 4n40 opto coupled scr BL1110 optrex dmc20481 application note SBC200E RP5A WIRING DIAGRAM aj68

    weigh scale

    Abstract: weigh scale AD7730 weigh scale AD7715 RTD ad7792 RTD ad7794 thermocouple ad7795 ad7788 AD7795 AD7796 AD7799
    Text: AN-607 APPLICATION NOTE One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com Selecting a Low Bandwidth <15 kSPS Sigma-Delta ADC by Mary McCarthy INTRODUCTION PRESSURE MEASUREMENT


    Original
    PDF AN-607 weigh scale weigh scale AD7730 weigh scale AD7715 RTD ad7792 RTD ad7794 thermocouple ad7795 ad7788 AD7795 AD7796 AD7799

    Arduino Mega2560

    Abstract: 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l
    Text: ND3% BASE1 XXXX2108-0010-1-P 10 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 15-07-11 Hour: 13:07 TS:TS date TS time MCUS, MPUS, DSPS & DEVELOPMENT TOOLS Find Datasheets Online 8-BIT MCUS & DEVELOPMENT TOOLS 1 PSoC 3 DEVELOPMENT KITS ARDUINO MCU DEVLOPMENT PLATFORM


    Original
    PDF CY8C38 CY8C29 incl795 12T9797 12T9804 12T9803 12T9800 12T9802 12T9801 12T9805 Arduino Mega2560 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l

    SSM2126a

    Abstract: ilc7660 low noise quad OP37 Application note AD652 AD698 7.1 surround sound dolby circuits voltage frequency table ad654 ADDS-2101-EZ-LAB ne5534 application note ad597
    Text: Overview–Selection Trees ORGANIZATION PRECISION, LINEAR, GENERAL PURPOSE COMPONENTS Op Amp Overview Audio Analog Computation Analog Multiplexers PRECISION, LINEAR, APPLICATION SPECIFIC COMPONENTS COMMUNICATIONS APPLICATION SPECIFIC COMPONENTS A/D CONVERTERS


    Original
    PDF ADDS-21xx-SW ADDS-210xx-SW ADDS-2101-EZ-KIT ADDS-21xx-EZLITE ADSP-2181) ADDS-2111-EZ-KIT ADDS-21020-EZ-KITPL ADDS-2106x-EZ-KIT SSM2126a ilc7660 low noise quad OP37 Application note AD652 AD698 7.1 surround sound dolby circuits voltage frequency table ad654 ADDS-2101-EZ-LAB ne5534 application note ad597

    AD7738

    Abstract: AD7730 circuit ad7730 converter AD7715 AD7710
    Text: a Industrial Converter Technical Note - ICV001 Selecting a Low Bandwidth Σ−∆ ADC Introduction Analog Devices has a wide range of low bandwidth, high resolution, Σ−∆ ADCs. Along with the ADC, these devices contain current sources, a multiplexer, a PGA and analog input buffers on board. This Technical Note


    Original
    PDF ICV001 16-Bit: AD7705/6, AD7707, AD7708, AD7709, AD7715 24-Bit: AD7710, AD7711, AD7738 AD7730 circuit ad7730 converter AD7715 AD7710

    AD7705

    Abstract: No abstract text available
    Text: A/D CONVERTERS: SIGMA DELTA TRANSDUCER INTERFACE: FEATURES # BITS # Low Level Inputs High Level Inputs Factory Calibrated Ext 32Khz Crystal & on chip PLL In;put Buffer +3V Operation PGA 1-128 Current Source I-source Open T/Couple Vref Int Read Write Coeff


    Original
    PDF 32Khz AD7701 AD7703: AD7701 AD7703 AD7705 AD7706 AD7707 AD7730 AD7730L

    Untitled

    Abstract: No abstract text available
    Text: A/D CONVERTERS: SIGMA/DELTA : TRANSDUCER INTERFACE SIGMA/DELTA Transducer Interface: Analog to Digital Converters MODEL Power Supply Requirements # +Icc -Iee Bits +Vcc mA -Vee mA Master CLK FREQ MHz Vin GAIN=1 RESOLUTION IN BITS Output Output Output Output Output Output Temp


    Original
    PDF AD7701 AD7703 AD7718 AD7718 32KHz 32KHz AD7716

    ssm-2126A

    Abstract: TETRA ACELP AD22151 AD698 DAC8842 AD7874 SSM-2125A AD6439 ad53042 AD9851
    Text: GENERAL PURPOSE COMPONENTS OVERVIEW A/D CONVERTERS AMPLIFIERS OVERVIEW OVERVIEW <1 MSPS Single Supply >1 MSPS <20 >20 MSPS Sigma-Delta Low Bias Current Matched Transistors NPN and PNP Single Supply High Speed Instrumentation Codecs and I/O Ports MicroConverters


    Original
    PDF 16-Bit 32-Bit AD9884 AD9483 ADV7183 10-Bit ADV7187 ADV7185 ADV601 ADV601LC ssm-2126A TETRA ACELP AD22151 AD698 DAC8842 AD7874 SSM-2125A AD6439 ad53042 AD9851

    interfacing AD7701

    Abstract: AD7791 AD7703 AD7701 A07701 crystals 4.9152 MHz ic8b 68HC11 AD580 AN-368
    Text: n U ANALOG D EVICES AN-368 APPLICATION NOTE ONE TECHNOLOGY WAY • P.O. BOX 9106 • NORWOOD, MASSACHUSETTS 02062-9106 • 617/3294700 Evaluation Board for the AD7701/AD7703 Sigma Delta A/D Converters by M ike Curtin INTRODUCTION This application note describes the evaluation board for


    OCR Scan
    PDF AN-368 AD7701/AD7703 AD7701 AD7703 16-bit 20-bit interfacing AD7701 AD7791 A07701 crystals 4.9152 MHz ic8b 68HC11 AD580

    AD7703

    Abstract: No abstract text available
    Text: LC2M0S 20-Bit A/D Converter AD7703 A N A LO G D E V IC E S □ FEATURES M onolithic 20-Bit ADC 0.0003% Linearity Error 20-Bit No Missed Codes On-Chip Self-Calibration Circuitry Program m able Low-Pass Filter 0.1 Hz to 10 Hz Corner Frequency F U N C T IO N A L B L O C K D IA G R A M


    OCR Scan
    PDF 20-Bit AD7703 sign19 AD7703

    AD7703

    Abstract: HP5082-2800 weighing scale code example AD7703AN AD7703AR AD7703BN AD7703BR AD7703CN AD7703CR
    Text: A N A LO G LC2M0S 20-Bit A/D Converter □ DEVICES AD7703 FUNCTIONAL BLOCK DIAGRAM FEATURES Monolithic 20-Bit ADC 0.0003% Linearity Error 20-Bit No Missed Codes On-Chip Self-Calibration Circuitry Programmable Low-Pass Filter 0.1 Hz to 10 Hz Comer Frequency


    OCR Scan
    PDF 20-Bit AD7703 AD7703 HP5082-2800 weighing scale code example AD7703AN AD7703AR AD7703BN AD7703BR AD7703CN AD7703CR

    AD7703

    Abstract: Practical circuit with a digital scale avr
    Text: LC2M0S 20-Bit A/D Converter AD7703 ANALOG DEVICES □ FEATURES Monolithic 20-Bit ADC 0.0003% Linearity Error 20-Bit No Missed Codes On-Chip Self-Calibration Circuitry Programmable Low-Pass Filter 0,1 Hz to 10 Hz Corner Frequency 0 to +2.5 V or ±2 .5 V Analog Input Range


    OCR Scan
    PDF 20-Bit AD7703 AD7703 Practical circuit with a digital scale avr

    AD7703

    Abstract: 4.9152
    Text: n U ANALOG AN-368 DEVICES APPLICATION NOTE ONE TECHNOLOGY WAY • P.O. BOX 9106 • NORWOOD, MASSACHUSETTS 02062-9106 • 617/3294700 Evaluation Board for the AD7701/AD7703 Sigma Delta A/D Converters by M ike Curtin INTRODUCTION This application note describes the evaluation board for


    OCR Scan
    PDF AN-368 AD7701/AD7703 AD7701 AD7703 16-bit 20-bit 4.9152

    AD7703

    Abstract: 68HC11 74HC4040 AD580 AD7701 AN-368 TLC271 pin configuration of TLC271 4.9152 interfacing AD7701
    Text: ANALOG ► DEVICES AN-368 APPLICATION NOTE ONE TECHNOLOGY WAY • P.O. BOX 9106 • NORWOOD, MASSACHUSETTS 02062-9106 • 617/329-4700 Evaluation Board for the AD7701/AD7703 Sigma Delta A/D Converters by M ike Curtin INTRODUCTION This application note describes the evaluation board for


    OCR Scan
    PDF AN-368 AD7701/AD7703 AD7701 AD7703 16-bit 20-bit R12RN2 68HC11 74HC4040 AD580 TLC271 pin configuration of TLC271 4.9152 interfacing AD7701

    1000PF

    Abstract: yf 455 2.1 h AD7701 AD7703 CS5501 CS5501A CS5501B CS5501J CS5501K CS5503
    Text: 170 — 1 6 t" .y h A - D CS5501 ~7 z . +VS=+5.0V -VS=-5. QV X ß P/UART3 yi\ f 7' k) S Ë fê T fni" À 7 3 ± VREF=+2. 5V f clk=4.096MHz • * * W ± n ft!Î n 7 0 •>') n i " ? n 7 o À^IRC7< »il< M (R = 7 5 0 Q . C=1000pF) • A ^ T & H Ñ Ü • s m m


    OCR Scan
    PDF CS5501 096MHz 1000pF) CS5501J CS5501K CS5501A CS5501B AD7701 AD7703 CS5503 1000PF yf 455 2.1 h CS5501 CS5501A CS5501B CS5501J CS5501K CS5503

    TRANZORB

    Abstract: No abstract text available
    Text: ► ANALOG DEVICES AN-375 APPLICATION NOTE ONE TECHNOLOGY WAY • P.O. BOX 9106 • NORWOOD, MASSACHUSETTS 02062-9106 • 617/329-4700 ADM2xxL Family for RS-232 Communications by Matt Smith The ADM 230L-ADM241L is an im proved replacement fo r the AD230-AD241 product line. Im provem ents include


    OCR Scan
    PDF AN-375 RS-232 230L-ADM241L AD230-AD241 EIA-232E RS232 AD7701 AD7701/AD7703 E1483-15-1 TRANZORB

    gaussian shaping filter

    Abstract: mc56001 digital FIR Filter using frequency sampling method MASH, 1 bit dac adsp-28 AD7110 AD7703 ADSP-28msp02 MASH AUDIO design a 40khz notch filter
    Text: ANALOG ► DEVICES AN-283 APPLICATION NOTE ONE TECHNOLOGY WAY • P.O. BOX 9106 • NORWOOD, MASSACHUSETTS 02062-9106 • 617/329-4700 Sigma-Delta ADCs and DACs S ig m a -D e l t a O v e r v ie w Within the last several years, the sigmadelta architecture has become more and more


    OCR Scan
    PDF AN-283 arch1298-1308. 16-Bit SC-22, 17-Bit 18-Bit 20-kHz gaussian shaping filter mc56001 digital FIR Filter using frequency sampling method MASH, 1 bit dac adsp-28 AD7110 AD7703 ADSP-28msp02 MASH AUDIO design a 40khz notch filter