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

    OPA691 Search Results

    OPA691 Result Highlights (5)

    Part ECAD Model Manufacturer Description Download Buy
    OPA691ID
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 8-SOIC -40 to 85 Visit Texas Instruments Buy
    OPA691IDBVT
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Visit Texas Instruments Buy
    OPA691IDBVR
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Visit Texas Instruments Buy
    OPA691IDBVTG4
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Visit Texas Instruments Buy
    OPA691IDG4
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 8-SOIC -40 to 85 Visit Texas Instruments Buy

    OPA691 Datasheets (31)

    Select Manufacturer
    Part ECAD Model Manufacturer Description Datasheet Type PDF PDF Size Page count
    OPA691
    Burr-Brown Quad Low-Power Current-Feedback OPERATIONAL AMPLIFIER Original PDF 462.92KB 26
    OPA691
    Burr-Brown Wideband Low-Power Current Feedback Operational Amplifier Original PDF 384.72KB 24
    OPA691
    Texas Instruments Dual, Wideband, High Output Current, Operational Amplifier with Current Limit Original PDF 375.76KB 27
    OPA691ID
    Texas Instruments Wideband, Current Feedback Operational Amplifier with Disable Original PDF 393.17KB 24
    OPA691ID
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 8-SOIC -40 to 85 Original PDF 710.62KB 28
    OPA691ID
    Texas Instruments Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable Original PDF 411.18KB 25
    OPA691ID
    Texas Instruments OPA691 - Wideband Current Feedback Operational Amplifier with Disable 8-SOIC -40 to 85 Original PDF 1.11MB 31
    OPA691IDBVR
    Texas Instruments Wideband, Current Feedback Operational Amplifier with Disable Original PDF 393.17KB 24
    OPA691IDBVR
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Original PDF 710.62KB 28
    OPA691IDBVR
    Texas Instruments Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable Original PDF 411.18KB 25
    OPA691IDBVR
    Texas Instruments OPA691 - Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Original PDF 1.11MB 31
    OPA691IDBVRG4
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Original PDF 710.62KB 28
    OPA691IDBVRG4
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable Original PDF 527.08KB 25
    OPA691IDBVRG4
    Texas Instruments OPA691 - Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Original PDF 1.11MB 31
    OPA691IDBVT
    Texas Instruments Wideband, Current Feedback Operational Amplifier with Disable Original PDF 393.17KB 24
    OPA691IDBVT
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Original PDF 710.62KB 28
    OPA691IDBVT
    Texas Instruments Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable Original PDF 411.18KB 25
    OPA691IDBVT
    Texas Instruments OPA691 - Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Original PDF 1.11MB 31
    OPA691IDBVTG4
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable Original PDF 527.08KB 25
    OPA691IDBVTG4
    Texas Instruments Wideband Current Feedback Operational Amplifier with Disable 6-SOT-23 -40 to 85 Original PDF 710.62KB 28
    SF Impression Pixel

    OPA691 Price and Stock

    Select Manufacturer

    Texas Instruments OPA691IDR

    Op Amp Single High Speed Amplifier ±6V/12V 8-Pin SOIC T/R
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical OPA691IDR 35,685 94
    • 1 -
    • 10 -
    • 100 $3.81
    • 1000 $3.41
    • 10000 $3.21
    Buy Now
    Rochester Electronics OPA691IDR 35,685 1
    • 1 -
    • 10 -
    • 100 $3.05
    • 1000 $2.73
    • 10000 $2.57
    Buy Now
    TME OPA691IDR 1
    • 1 $4.68
    • 10 $3.67
    • 100 $2.90
    • 1000 $2.90
    • 10000 $2.66
    Get Quote
    Win Source Electronics OPA691IDR 1,390
    • 1 -
    • 10 -
    • 100 $2.79
    • 1000 $2.42
    • 10000 $2.42
    Buy Now

    Texas Instruments OPA691IDBVT

    Op Amp Single High Speed Amplifier ±6V/12V 6-Pin SOT-23 T/R
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical () OPA691IDBVT 11,521 78
    • 1 -
    • 10 -
    • 100 $4.58
    • 1000 $4.09
    • 10000 $3.85
    Buy Now
    OPA691IDBVT 401 78
    • 1 -
    • 10 -
    • 100 $4.58
    • 1000 $4.09
    • 10000 $3.85
    Buy Now
    OPA691IDBVT 99 1
    • 1 $5.80
    • 10 $4.63
    • 100 $4.32
    • 1000 $4.21
    • 10000 $4.21
    Buy Now
    Arrow Electronics OPA691IDBVT Cut Strips 99 1
    • 1 $5.80
    • 10 $4.63
    • 100 $4.32
    • 1000 $4.21
    • 10000 $4.21
    Buy Now
    Bristol Electronics OPA691IDBVT 22 1
    • 1 $3.99
    • 10 $2.59
    • 100 $2.00
    • 1000 $2.00
    • 10000 $2.00
    Buy Now
    Rochester Electronics OPA691IDBVT 12,002 1
    • 1 -
    • 10 -
    • 100 $3.66
    • 1000 $3.27
    • 10000 $3.08
    Buy Now
    TME OPA691IDBVT 1
    • 1 $6.57
    • 10 $5.05
    • 100 $4.24
    • 1000 $4.02
    • 10000 $3.63
    Get Quote

    Texas Instruments OPA691ID

    Op Amp Single High Speed Amplifier ±6V/12V 8-Pin SOIC Tube
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical () OPA691ID 4,374 78
    • 1 -
    • 10 -
    • 100 $4.58
    • 1000 $4.09
    • 10000 $3.85
    Buy Now
    OPA691ID 2,823 78
    • 1 -
    • 10 -
    • 100 $4.58
    • 1000 $4.09
    • 10000 $3.85
    Buy Now
    OPA691ID 674 78
    • 1 -
    • 10 -
    • 100 $4.58
    • 1000 $4.09
    • 10000 $3.85
    Buy Now
    OPA691ID 1 1
    • 1 $5.36
    • 10 $4.31
    • 100 $3.68
    • 1000 $3.51
    • 10000 $3.25
    Buy Now
    Arrow Electronics () OPA691ID 300 26 Weeks 75
    • 1 -
    • 10 -
    • 100 $3.63
    • 1000 $3.50
    • 10000 $3.50
    Buy Now
    OPA691ID 1 1
    • 1 $5.36
    • 10 $4.31
    • 100 $3.68
    • 1000 $3.51
    • 10000 $3.25
    Buy Now
    Newark OPA691ID Bulk 1
    • 1 $10.48
    • 10 $9.77
    • 100 $8.15
    • 1000 $6.89
    • 10000 $6.89
    Buy Now
    Quest Components () OPA691ID 199
    • 1 $5.10
    • 10 $5.10
    • 100 $3.15
    • 1000 $3.15
    • 10000 $3.15
    Buy Now
    OPA691ID 16
    • 1 $4.38
    • 10 $2.19
    • 100 $2.19
    • 1000 $2.19
    • 10000 $2.19
    Buy Now
    OPA691ID 10
    • 1 $5.63
    • 10 $2.81
    • 100 $2.81
    • 1000 $2.81
    • 10000 $2.81
    Buy Now
    Rochester Electronics OPA691ID 7,946 1
    • 1 -
    • 10 -
    • 100 $3.66
    • 1000 $3.27
    • 10000 $3.08
    Buy Now
    TME OPA691ID 1
    • 1 $5.54
    • 10 $4.34
    • 100 $3.55
    • 1000 $3.34
    • 10000 $3.34
    Get Quote
    Win Source Electronics OPA691ID 3,000
    • 1 -
    • 10 $8.28
    • 100 $5.52
    • 1000 $5.52
    • 10000 $5.52
    Buy Now

    Texas Instruments OPA691IDBVR

    Op Amp Single High Speed Amplifier ±6V/12V 6-Pin SOT-23 T/R
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical () OPA691IDBVR 3,740 89
    • 1 -
    • 10 -
    • 100 $4.03
    • 1000 $3.60
    • 10000 $3.39
    Buy Now
    OPA691IDBVR 893 3
    • 1 -
    • 10 $2.81
    • 100 $2.73
    • 1000 $2.64
    • 10000 $2.64
    Buy Now
    OPA691IDBVR 665 89
    • 1 -
    • 10 -
    • 100 $4.03
    • 1000 $3.60
    • 10000 $3.39
    Buy Now
    Arrow Electronics OPA691IDBVR Cut Strips 893 12 Weeks 1
    • 1 $2.86
    • 10 $2.81
    • 100 $2.73
    • 1000 $2.64
    • 10000 $2.64
    Buy Now
    Rochester Electronics OPA691IDBVR 4,405 1
    • 1 -
    • 10 -
    • 100 $3.22
    • 1000 $2.88
    • 10000 $2.71
    Buy Now
    TME OPA691IDBVR 1
    • 1 $4.56
    • 10 $4.10
    • 100 $3.26
    • 1000 $3.04
    • 10000 $2.82
    Get Quote

    Others OPA691IDBVT

    Op Amp Single High Speed Amplifier ±6V/12V 6-Pin SOT-23 T/R
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bristol Electronics OPA691IDBVT 132
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    OPA691 Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    OPA2690

    Abstract: OPA2691 OPA3690 OPA3691 OPA681 OPA690 OPA691 OPA692
    Contextual Info: OPA OPA691 691 OPA6 91 www.ti.com SBOS226D – DECEMBER 2001– REVISED JULY 2008 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226d280mhz190ma+8190mhzopa2690opa2691opa3690opa3691opa681opa690opa692 PDF

    Contextual Info: OPA 6 OPA691 91 OPA6 91 SBOS226D – DECEMBER 2001– REVISED JULY 2008 www.ti.com Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226d280mhz190ma+2100v/190mhz PDF

    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226A – DECEMBER 2001– REVISED SEPTEMBER 2002 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226a280mhz190ma+1190mhz PDF

    OPA2690

    Abstract: OPA2691 OPA3690 OPA3691 OPA681 OPA690 OPA691 OPA692
    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226B – DECEMBER 2001– REVISED MARCH 2006 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226b280mhz190ma+8190mhzopa2690opa2691opa3690opa3691opa681opa690opa692 PDF

    Contextual Info: OPA OPA691 691 OPA6 91 www.ti.com SBOS226D – DECEMBER 2001– REVISED JULY 2008 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226d280mhz190ma+1190mhz PDF

    Contextual Info: Red LED Chip OPA6917 GaP/GaP 1. Material Substrate GaP Epitaxial Layer GaP 2. Electrode N Cathode Side Gold Alloy P(Anode) Side Gold Alloy 3. Electro-Optical Characteristics Parameter (N Type) (P/N Type) Symbol Min Forward Voltage Typ Unit Condition V IF=1mA


    Original
    opa691710mil11mil115um PDF

    Contextual Info: Red LED Chip OPA6916 GaP/GaP 1. Material Substrate GaP Epitaxial Layer GaP 2. Electrode N Cathode Side Gold Alloy P(Anode) Side Gold Alloy 3. Electro-Optical Characteristics Parameter (N Type) (P/N Type) Symbol Min Forward Voltage Typ Unit Condition V IF=1mA


    Original
    opa691610mil11mil115um PDF

    Contextual Info: OPA OPA691 691 OPA6 91 www.ti.com SBOS226D – DECEMBER 2001– REVISED JULY 2008 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226d280mhz190ma+1190mhz PDF

    Microtune 4937 DI5 3X7702

    Abstract: CAP 4.7uF microtune 4937 c14 c13 LM340AT5 C2076 max660 microtune MAX518 MMBT3904LT1
    Contextual Info: 1 2 3 4 +5 +5 3 C2 0.1uF C8 0.1uF 2 1 2 C4 47uF 3 4 FC VCC Cap+ OSC GND LV Cap- OUT RF_AGC 6 5 C5 47uF C6 0.1uF U2 +5 C13 4.7uF 1 2 3 SCL_RX +5 4 SDA_RX C15 4.7uF J3 0.001uF C21 0.001uF D U4 OPA691 C22 R7 1 3 5 R4 390 0.01uF 51 P1 R10 10k SDA_RX +5 C27 0.1uF


    Original
    001ufopa691sn74ls05dmax518+10470pfmmbt3904lt1max660microtune 4937 di5 3x7702cap 4.7ufmicrotune 4937c14 c13lm340at5c2076microtune PDF

    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226A – DECEMBER 2001– REVISED SEPTEMBER 2002 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226a280mhz190ma+1190mhz PDF

    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226C – DECEMBER 2001– REVISED FEBRUARY 2007 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226c280mhz190ma+1190mhz PDF

    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226C – DECEMBER 2001– REVISED FEBRUARY 2007 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226c280mhz190ma+1190mhz PDF

    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226C – DECEMBER 2001– REVISED FEBRUARY 2007 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226c280mhz190ma+1190mhz PDF

    OPA2690

    Abstract: OPA2691 OPA3690 OPA3691 OPA681 OPA690 OPA691 OPA692
    Contextual Info: OPA OPA691 691 OPA6 91 www.ti.com SBOS226D – DECEMBER 2001– REVISED JULY 2008 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226d280mhz190ma+8190mhzopa2690opa2691opa3690opa3691opa681opa690opa692 PDF

    OPA2690

    Abstract: OPA2691 OPA3690 OPA3691 OPA681 OPA690 OPA691 OPA692
    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226A – DECEMBER 2001– REVISED SEPTEMBER 2002 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226a280mhz190ma+8190mhzopa2690opa2691opa3690opa3691opa681opa690opa692 PDF

    OPA692

    Abstract: OPA2690 OPA2691 OPA3690 OPA3691 OPA681 OPA690 OPA691
    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226A – DECEMBER 2001– REVISED SEPTEMBER 2002 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226a280mhz190ma+8190mhzopa692opa2690opa2691opa3690opa3691opa681opa690 PDF

    Contextual Info: OPA OPA691 691 OPA6 91 www.ti.com SBOS226D – DECEMBER 2001– REVISED JULY 2008 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226d280mhz190ma+1190mhz PDF

    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226B – DECEMBER 2001– REVISED MARCH 2006 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226b280mhz190ma+1190mhz PDF

    video buffer sot23-6

    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226C – DECEMBER 2001– REVISED FEBRUARY 2007 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226c280mhz190ma+2190mhzvideo buffer sot23-6 PDF

    Contextual Info: Red LED Chip OPA6916 GaP/GaP 1. Material Substrate GaP Epitaxial Layer GaP 2. Electrode N Cathode Side Gold Alloy P(Anode) Side Gold Alloy 3. Electro-Optical Characteristics Parameter (N Type) (P/N Type) Symbol Min Forward Voltage Typ Unit Condition V IF=1mA


    Original
    opa691610mil11mil115um PDF

    Contextual Info: OPA OPA691 691 OPA6 91 www.ti.com SBOS226D – DECEMBER 2001– REVISED JULY 2008 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226d280mhz190ma+1190mhz PDF

    OPA2690

    Abstract: OPA2691 OPA3690 OPA3691 OPA681 OPA690 OPA691 OPA692 OAFI
    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226A – DECEMBER 2001– REVISED SEPTEMBER 2002 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226a280mhz190ma+9190mhzopa2690opa2691opa3690opa3691opa681opa690opa692oafi PDF

    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226C – DECEMBER 2001– REVISED FEBRUARY 2007 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226c280mhz190ma+1190mhz PDF

    OPA2690

    Abstract: OPA2691 OPA3690 OPA3691 OPA681 OPA690 OPA691 OPA692
    Contextual Info: OPA OPA691 691 OPA6 91 SBOS226A – DECEMBER 2001– REVISED SEPTEMBER 2002 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES APPLICATIONS ● FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply ● UNITY-GAIN STABLE: 280MHz G = 1


    Original
    opa691sbos226a280mhz190ma+8190mhzopa2690opa2691opa3690opa3691opa681opa690opa692 PDF