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Texas Instruments SLOU061A, Руководство пользователя

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Texas Instruments SLOU061A Скачать руководство пользователя страница 4

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Содержание SLOU061A

Страница 1: ...Universal Operational Amplifier Single Dual Quad SOIC Evaluation Module With Shutdown April 2001 Mixed Signal Products User s Guide SLOU061A...

Страница 2: ...esign TI does not warrant or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right of TI covering or rel...

Страница 3: ...his evaluation module FCC Warning This equipment is intended for use in a laboratory test environment only It generates uses and can radiate radio frequency energy and has not been tested for complian...

Страница 4: ...iv...

Страница 5: ...4 2 4 Area 300 Quad Device SOIC 2 5 2 5 General Power Dissipation Considerations 2 7 2 6 EVM Component Placement 2 8 2 7 EVM Board Layout 2 9 3 Example Circuits 3 1 3 1 Schematic Conventions 3 2 3 2...

Страница 6: ...plifier with Dual Supply Using Area 100 3 2 3 2 Noninverting Amplifier with Single Supply Using Area 100 3 3 3 3 Single Operational Amplifier Differential Amplifier With Single Supply Using Area 100 3...

Страница 7: ...al 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 Top...

Страница 8: ...yer construction with a ground plane on the solder side Circuit performance should be comparable to final production designs 1 2 Power Requirements The devices and designs that are used dictate the in...

Страница 9: ...shutdown board layout schematics of each area and describes the relationships between the three areas Topic Page 2 1 Physical Considerations 2 2 2 2 Area 100 Single Device SOIC 2 3 2 3 Area 200 Dual...

Страница 10: ...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 det...

Страница 11: ...f the device and connecting the wiper to VCC via a resistor R101 as shown below This resistor is used to fine tune the offset adjustment For example when using the TLC070 or TLC071 device and a 100 k...

Страница 12: ...t the top of the IC pad array the last six PCB pads three on each side pins 5 6 7 8 9 and 10 will not be used Figure 2 2 shows the area 200 schematic Figure 2 2 Area 200 Schematic Dual Device SOIC 14...

Страница 13: ...down 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 When using the nonshutdown version of th...

Страница 14: ...A303 A304 U301A C305 R309 A3 FLT AB3 SD 8 7 5 6 R318 C308 R314 C310 R310 R312 R317 R313 R315 R311 C307 C309 B3 OUT B301 B302 B303 B304 U301B C306 R316 B3 FLT 10 12 11 R325 C316 R323 C317 R322 R324 R3...

Страница 15: ...tion to case CA Thermal coefficient from case to ambient air C W Figure 2 4 Maximum Power Dissipation vs Free Air Temperature 2 1 5 1 0 55 25 5 Maximum Power Dissipation W MAXIMUM POWER DISSIPATION vs...

Страница 16: ...EVM Component Placement 2 8 Evaluation Module Layout 2 6 EVM Component Placement Figure 2 5 shows component placement for the EVM board Figure 2 5 EVM Component Placement...

Страница 17: ...EVM Board Layout 2 9 Evaluation Module 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...

Страница 18: ...EVM Board Layout 2 10 Evaluation Module Layout Figure 2 7 EVM Board Layout Bottom...

Страница 19: ...gns that can be found in most operational amplifier design books Topic Page 3 1 Schematic Conventions 3 2 3 2 Inverting Amplifier 3 2 3 3 Noninverting Amplifier 3 3 3 4 Differential Amplifier 3 4 3 5...

Страница 20: ...supplies Basic setup is done by choice of input and feedback resistors The transfer function for the circuit as shown is VOUT VIN R112 R109 To cancel the effects of input bias current set R105 R112 R1...

Страница 21: ...configured as shown provides a low impedance reference for the circuit at about 1 2 V1 in a 3 V system Another option is to adjust resistors R113 and R111 for the desired VREF1 voltage The formula for...

Страница 22: ...impedance reference for the circuit at about 1 2 V1 in a 3 V system Another option is to adjust resistors R111 and R113 for the desired VREF1 voltage The formula for calculating VREF1 is VREF1 1 24 V...

Страница 23: ...Figure 3 4 Sallen Key Low Pass Filter Wwith Dual Supply Using Area 200 C206 C207 C209 C210 V2 V2 V2 GND2 V2 Power Supply Bypass 14 1 4 3 2 V2 V2 R212 C215 R216 C211 R221 R220 R218 R219 R217 R215 C212...

Страница 24: ...nd nC Note that capacitors should be used for components R201 and R205 and a resistor for C201 The transfer function for the circuit as shown is VOUT VIN f fo 2 1 j Q f fo f fo 2 VREF2 Where fo 1 2p m...

Страница 25: ...3 A2OUT 1 2 Dual Op Amp A201 A202 A203 A204 R206 C202 R207 C203 R204 R203 R202 R201 R209 C204 C201 B2OUT 1 2 Dual Op Amp B201 B202 B204 B203 R211 C R A U202 R213 Voltage Reference U201A U201B V2 VREF2...

Страница 26: ...ction for the circuit as shown is V OUT V IN 1 2R212 R220 R212 R221 VREF2 Where R212 R206 and R221 R203 To cancel the effects of input bias current set R217 R212 R220 and set R202 R206 R203 or use a 0...

Страница 27: ...R206 C202 R207 C203 R204 R203 R201 R202 R209 C204 C201 B2OUT 1 2 Dual Op Amp B201 B202 B204 B203 R211 C R A U202 R213 Voltage Reference U201A U201B V2 VREF2 1 24 V R210 13 11 12 Vin Jumper Jumper R205...

Страница 28: ...red 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...

Страница 29: ...R313 R315 R311 C307 C309 B3 OUT B301 B302 B303 B304 U301B C306 R316 B3 FLT 10 12 11 R325 C316 R323 C317 R322 R324 R326 R327 R329 R328 C318 C319 C3 OUT C301 C302 C303 C304 U301C C320 R330 CD3 SD 9 16...

Страница 30: ...3 12 Example Circuits...

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