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Summary of Contents for Texas Instruments SLOU061A
- Page 1 Universal Operational Amplifier Single, Dual, Quad (SOIC) Evaluation Module With Shutdown User’s Guide April 2001 Mixed-Signal Products SLOU061A...
- Page 2 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement, and limitation of liability.
- Page 3 Trademarks PowerPAD is a trademark of Texas Instruments. Chapter Title—Attribute Reference...
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Page 5: Table Of Contents
Running Title—Attribute Reference Contents Introduction ..............Design Features . - Page 6 Running Title—Attribute Reference Figures 2–1 Area 100 Schematic—Single Device, SOIC (8-pin) ....... . 2–2 Area 200 Schematic—Dual Device, SOIC (14-pin) .
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Page 7: Introduction
Chapter 1 Introduction This user’s guide describes the universal operational amplifier single, dual, quad (SOIC) evaluation module (EVM) with shutdown (SLOP248). The EVM simplifies evaluation of Texas Instruments surface-mount op amps with or without shutdown feature. Topic Page Design Features . -
Page 8: Design Features
Design Features 1.1 Design Features The EVM board design allows many circuits to be constructed easily and quickly. There are three circuit development areas on the board, and each uses IC amplifiers in the SOIC package. Area 100 is for a single operational amplifier (op amp), with or without shutdown. -
Page 9: Evaluation Module Layout
Chapter 2 Evaluation Module Layout This chapter shows the universal operational amplifier single, dual, quad (SOIC) evaluation module (EVM) with shutdown board layout, schematics of each area, and describes the relationships between the three areas. Topic Page Physical Considerations ........2–2 Area 100—Single Device SOIC . -
Page 10: Physical Considerations
If through hole is desired, the TLV431ACLP, TLV431AILP, TL431CLP, TL431ACLP, TL431ILP, or TL431AILP adjustable shunt regulators can be used. Refer to Texas Instruments’ Power Supply Circuits Data Book (literature number SLVD002) for details on usage of these shunt regulators. -
Page 11: Area 100-Single Device Soic
Physical Considerations 2.2 Area 100—Single Device SOIC Area 100 uses 1xx reference designators, and is compatible with a single op amp, with or without shutdown, packaged as an 8-pin SOIC. This surface-mount package is designated by a D suffix in TI part numbers, as in TxxxxCD, TxxxxID, etc. -
Page 12: Area 200-Dual Device Soic
Physical Considerations 2.3 Area 200—Dual Device SOIC Area 200 uses 2xx reference designators, and is compatible with dual op amps, with or without shutdown, packaged as an 8-pin (without shutdown) or 14-pin (with shutdown) SOIC. This package is designated by a D suffix in TI part numbers, as in TxxxxCD. -
Page 13: Area 300-Quad Device Soic
Physical Considerations 2.4 Area 300—Quad Device SOIC Area 300 uses 3xx reference designators, and is compatible with quad op amps, with or without shutdown, packaged in a 14-pin (without shutdown) or 16-pin (with shutdown) SOIC. This surface-mount package is designated by a D suffix in TI part numbers, as in TxxxxID. - Page 14 Physical Considerations Figure 2–3. Area 300 Schematic—Quad Device SOIC (16 pin) C302 R304 R302 C313 C314 C301 R301 A301– GND3 R303 C311 C312 AB3/SD – A302– V3– A3 OUT R306 R305 A303+ U301A V3– Power Supply Bypass A304+ V3– R308 R309 C310 R314...
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Page 15: General Power Dissipation Considerations
General Power Dissipation Considerations 2.5 General Power Dissipation Considerations For a given , the maximum power dissipation is shown in Figure 2–4 and is calculated by the following formula: –T Where: = Maximum power dissipation of Txxxx IC (watts) = Absolute maximum junction temperature (150 C) = Free-air temperature ( C) = Thermal coefficient from junction to case = Thermal coefficient from case to ambient air ( C/W) -
Page 16: Evm Component Placement
EVM Component Placement 2.6 EVM Component Placement Figure 2–5 shows component placement for the EVM board. Figure 2–5. EVM Component Placement Evaluation Module Layout... -
Page 17: Evm Board Layout
EVM Board Layout 2.7 EVM Board Layout Figures 2–6 and 2–7 show the EVM top and bottom board layouts, respectively. Figure 2–6. EVM Board Layout—Top Evaluation Module Layout... -
Page 18: Evm Board Layout-Bottom
EVM Board Layout Figure 2–7. EVM Board Layout—Bottom 2-10 Evaluation Module Layout... -
Page 19: Example Circuits
Chapter 3 Example Circuits This chapter shows and discusses several example circuits that can be constructed using the universal operational amplifier EVM. The circuits are all classic designs that can be found in most operational amplifier design books. Topic Page Schematic Conventions . -
Page 20: Schematic Conventions
Schematic Conventions 3.1 Schematic Conventions Figures 3–1 through 3–6 show schematic examples of circuits that can be constructed using the universal operational amplifier EVM with shutdown. The components that are placed on the board are shown in bold. Unused components are blanked out. Jumpers and other changes are noted. These examples are only a few of the many circuits that can be built. -
Page 21: Noninverting Amplifier
Noninverting Amplifier 3.3 Noninverting Amplifier Figure 3–2 shows area 100 equipped with a single operational amplifier configured as a noninverting amplifier with single-supply power input. Basic setup is done by choice of input and feedback resistors. The transfer function for the circuit as shown is: R112 VREF1 R109... -
Page 22: Differential Amplifier
Differential Amplifier 3.4 Differential Amplifier Figure 3–3 shows area 100 equipped with a single operational amplifier configured as a differential amplifier using a voltage reference and single power supply. Basic setup is done by choice of input and feedback resistors. The transfer function for the circuit as shown is: R112 VREF1... -
Page 23: Sallen-Key Low-Pass Filter
Sallen-Key Low-Pass Filter 3.5 Sallen-Key Low-Pass Filter Figure 3–4 shows area 200 equipped with a dual operational amplifier configured as a second-order Sallen-Key low-pass filter using dual-power supplies. Basic setup is done by proper choice of resistors R and mR, and capacitors C and nC. -
Page 24: Sallen-Key High-Pass Filter
Sallen-Key High-Pass Filter 3.6 Sallen-Key High-Pass Filter Figure 3–5 shows area 200 equipped with a dual operational amplifier configured as a second-order Sallen-Key high-pass filter using single-supply power input. Basic setup is done by proper choice of resistors R and mR, and capacitors C and nC. -
Page 25: Sallen-Key High-Pass Filter With Single Supply Using Area 200
Sallen-Key High-Pass Filter Figure 3–5. Sallen-Key High-Pass Filter With Single Supply Using Area 200 R216 C211 R212 R221 C215 Jumper A201– C206 C207 R220 A2/SD 0.1 F 10 F – A202– GND2 R219 A2OUT R218 A203+ U201A 1/2 Dual Op Amp C209 C210 R217... -
Page 26: Two Operational Amplifier Instrumentation Amplifier
Two Operational Amplifier Instrumentation Amplifier 3.7 Two Operational Amplifier Instrumentation Amplifier Figure 3–6 shows area 200 equipped with a dual operational amplifier configured as a two-operational-amplifier instrumentation amplifier using a voltage reference and single power supply. Basic setup is done by choice of input and feedback resistors. The transfer function for the circuit as shown is: 2R212 R212... - Page 27 Two Operational Amplifier Instrumentation Amplifier Figure 3–6. Two Operational Amplifier Instrumentation Amplifier Wwith Single Supply Using Area 200 C211 R216 Jumper A201 – to B2OUT R212 C215 R221 R217 = R212 II R220 2R212 R212 A201– or Short if Using Low Input V OUT = V in + V REF2 Jumper...
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Page 28: Quad Operational Amplifier Instrumentation Amplifier
Quad Operational Amplifier Instrumentation Amplifier 3.8 Quad Operational Amplifier Instrumentation Amplifier Figure 3–7 shows area 300 equipped with a quad operational amplifier configured as a quad-operational-amplifier instrumentation amplifier using a dual power supply. Basic setup is done by choice of input and feedback resistors. The transfer function for the circuit as shown is: R303 2(R302) -
Page 29: Quad Operational Amplifier Instrumentation Amplifier With Dual Supply Using Area 300
Quad Operational Amplifier Instrumentation Amplifier Figure 3–7. Quad Operational Amplifier Instrumentation Amplifier With Dual Supply Using Area 300 R304 C302 2.5 = V3+ R302 0.1 F 10 F R301 C301 C313 C314 A301– GND3 R303 0.1 F AB3/SD 10 F C311 –... - Page 30 3-12 Example Circuits...
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