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OPA63XU Datasheet(PDF) 2 Page - Burr-Brown (TI) |
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OPA63XU Datasheet(HTML) 2 Page - Burr-Brown (TI) |
2 / 4 page 2 ® DEM-OPA68xU PART DESCRIPTION C1, C2 Tantalum Chip Capacitor, SMD EIA size 3528, 20V C3 - C7 Multi-Layer Ceramic Chip Cap., SMD 1206, 50V J1 - J4 SMA or SMB Board Jack (Amphenol 901-144-8) L1, L2 EMI-Suppression Ferrite Chip, SMD 1206 (Steward LI 1206 B 900 R) P1 Terminal Block, 3.5mm centers (On-Shore Technology ED555/3DS) R1 - R13 Metal Film Chip Resistor, SMD 1206, 1/8W TABLE II. Component Descriptions. R1 and R7 set the I/O impedance, R2 - R6 set the gain, and C1 - C5 are supply bypass capacitors. C3 is optional; it adds a bypass between the supplies, which improves distortion performance for some models. L1 and L2 are ferrite chips that can reduce interactions with the power supply at high frequencies. If not desired, they can be replaced with 0 Ω resistors. R8 - R13, C6 and C7 are optional components that support op amps with special functions (see Table I). For single supply operation, do not connect L2; otherwise, the –VS input to P1 would be at ground potential. Standard Current-Feedback Op Amps—These op amps have the pinout shown in Figure 1. Table III shows typical values used for these parts. To select component values for your op amp (especially R6), consult its data sheet. DUAL SUPPLY DUAL SUPPLY SINGLE SUPPLY COMPONENT (G = +2) (G = –1) (G = +1) R1 49.9 Ω 57.6 Ω 49.9 Ω R2 10.0 Ω Open 10.0 Ω R3 Open 10.0 Ω Open R4 Open 402 Ω Open R5 402 Ω Open Open R6 402 Ω 402 Ω 402 Ω R7 49.9 Ω 49.9 Ω 49.9 Ω R8 - R13 Open Open Open C1 2.2 µF 2.2 µF 2.2 µF C2 2.2 µF 2.2 µF Open C3 0.01 µF 0.01 µF Open C4 0.1 µF 0.1 µF0Ω C5 0.1 µF 0.1 µF 0.1 µF C6, C7 Open Open Open NOTE: The values and gains shown will not work for all current-feedback op amps. See the data sheet to select proper values. The I/O impedances are 50 Ω. DUAL SUPPLY DUAL SUPPLY SINGLE SUPPLY COMPONENT (G = +2) (G = –1) (G = +1) R1 49.9 Ω 57.6 Ω 49.9 Ω R2 178 Ω Open 0 Ω R3 Open 210 Ω Open R4 Open 402 Ω Open R5 402 Ω Open Open R6 402 Ω 402 Ω 24.9 Ω R7 49.9 Ω 49.9 Ω 49.9 Ω R8 - R13 Open Open Open C1 2.2 µF 2.2 µF 2.2 µF C2 2.2 µF 2.2 µF Open C3 0.01 µF 0.01 µF Open C4 0.1 µF 0.1 µF0Ω C5 0.1 µF 0.1 µF 0.1 µF C6, C7 Open Open Open NOTE: The values and gains shown will not work for all voltage-feedback op amps. See the individual op amp data sheet to select proper values. The I/O impedances are 50 Ω. TABLE IV. Standard Voltage-Feedback Op Amps. TABLE V. OPA628U and OPA64xU Changes. DUAL SUPPLY DUAL SUPPLY SINGLE SUPPLY COMPONENT (G = )+2 (G = –1) (G = +1) R8, R11 0 Ω 0 Ω 0 Ω C1 4.7 µF 4.7 µF 4.7 µF C2 4.7 µF 4.7 µF Open C4, C6 0.1 µF 0.1 µF0Ω C5, C7 0.1 µF 0.1 µF 0.1 µF OPA63xU—Pin 8 disables the output when high (OPA632 and OPA635). Table VII shows different ways to set up pin 8’s voltage using R8, R9 and C7. Use Table IV for the other components, except for the changes shown in Table VI; note these are all single supply configurations. SINGLE SUPPLY SINGLE SUPPLY SINGLE SUPPLY COMPONENT (G = +2) (G = –1) (G = +1) C4 0 Ω 0 Ω 0 Ω TABLE VI. OPA63xU Changes. TABLE III. Standard Current-Feedback Op Amps. Standard Voltage-Feedback Op Amps—These op amps have the pinout shown in Figure 1. Table IV shows typical values used for these parts. To select component values for your op amp, consult its data sheet. OPA628U and OPA64xU—These op amps have additional supply pins (see Table I) to improve distortion. Use the values in Table IV, except for the changes shown in Table V (the OPA64xP family will function without these changes, but with reduced distortion performance). CONFIGURATION R8 C9 External Source Open 49.9 Ω On Open 0 Ω Off 0 Ω Open CONFIGURATION R8 R9 C7 External Source Open 49.9 Ω Open On Open Open 0.1 µF Off Open 0 Ω Open TABLE VII. Disable Pin—OPA632U and OPA635U. TABLE VIII. Disable Pin—OPA68xU. OPA680U—Pin 8 disables the output when low. Table VIII shows different ways to set up pin 8’s voltage using R8, R9 and C7. Use Table IV for the other components. |
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