Texas Instruments THS4012 - Manuals

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Manual Texas Instruments THS4012

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Page 3 - Preface; Related Documentation From Texas Instruments

iii Chapter Title—Attribute Reference Preface Related Documentation From Texas Instruments J THS4012 DUAL LOW-NOISE HIGH-SPEED OPERATIONALAMPLIFIER (literature number SLOS216) This is the data sheetfor the THS4012 operational amplifier integrated circuit that isused in the THS4012 evaluation module....

Page 5 - Contents; General

Running Title—Attribute Reference v Chapter Title—Attribute Reference Contents 1 General 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-2 . . . . . . . . . . . . . . . . . ...

Page 6 - Figures

Running Title—Attribute Reference vi Figures 1–1 THS4012 Evaluation Module 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 THS4012 EVM Schematic — Noninverting Operation 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3 ...

Page 7 - Topic; Chapter 1

1-1 General General This chapter details the Texas Instruments (TI  ) THS4012 dual high-speed operational amplifier evaluation module (EVM), SLOP230. It includes a listof EVM features, a brief description of the module illustrated with a pictorial anda schematic diagram, EVM specifications, details...

Page 8 - Feature Highlights

Feature Highlights 1-2 General 1.1 Feature Highlights THS4012 Dual High-Speed Operational Amplifier EVM features include: J High Bandwidth — 75 MHz, –3 dB at ± 15 V CC and Gain = 2 J ± 5-V to ± 15-V Operation J Noninverting Single-Ended Inputs — Inverting-Capable ThroughComponent Change J Module Gai...

Page 9 - Description

Description 1-3 General 1.2 Description The TI THS4012 dual high-speed operational amplifier evaluation module(EVM) is a complete dual high-speed amplifier circuit. It consists of the TITHS4012 dual low-noise high-speed operational amplifier IC, along with asmall number of passive parts, mounted on ...

Page 10 - THS4012 EVM Noninverting Operation; Figure 1–2. THS4012 EVM Schematic — Noninverting Operation

THS4012 EVM Noninverting Operation 1-4 General 1.3 THS4012 EVM Noninverting Operation The THS4012 EVM is shipped preconfigured for dual-channel noninvertingoperation, as shown in Figure 1–2. Note that compensation capacitors C3 andC6 are not installed. Figure 1–2. THS4012 EVM Schematic — Noninvertin...

Page 12 - Using the THS4012 EVM In The Noninverting Mode; OFF before making power supply

Using the THS4012 EVM In The Noninverting Mode 1-6 General 1.4 Using the THS4012 EVM In The Noninverting Mode The THS4012 EVM operates from power-supply voltages ranging from ± 5 V to ± 15 V. As shipped, the EVM is configured for inverting operation and the gain is set to 4. Signal inputs on the mod...

Page 13 - THS4012 EVM Inverting Operation; Figure 1–3. THS4012 EVM Schematic — Inverting Operation

THS4012 EVM Inverting Operation 1-7 General 1.5 THS4012 EVM Inverting Operation Although the THS4012 EVM is shipped preconfigured for dual-channelnoninverting operation, it can be reconfigured for inverting operation bymaking the following component changes: 1) Move resistor R3 to the R2 location an...

Page 15 - Using the THS4012 EVM In The Inverting Mode

Using the THS4012 EVM In The Inverting Mode 1-9 General 1.6 Using the THS4012 EVM In The Inverting Mode The THS4012 EVM operates from power-supply voltages ranging from ± 5 V to ± 15 V. As shipped, the EVM is configured for inverting operation. Move the resistors as detailed above to configure the E...

Page 16 - THS4012 EVM Differential Input; Differential Input, Noninverting Operation

THS4012 EVM Differential Input 1-10 General 1.7 THS4012 EVM Differential Input The THS4012 EVM is shipped preconfigured for dual-channel, single-ended noninverting operation. It can be reconfigured for single-channel, differentialoperation, either noninverting or inverting. 1.7.1 Differential Input,...

Page 17 - Differential Input, Inverting Operation

THS4012 EVM Differential Input 1-11 General The gain of the EVM can easily be changed to support a particular applicationby simply changing the ratio of resistors R6 and R5 (channel 1) and R14 andR13 (channel 2) as described in the following equation: Noninverting Gain + 1 ) R F R G + 1 ) R6R5 and 1...

Page 20 - Using the THS4012 EVM With Differential Inputs

Using the THS4012 EVM With Differential Inputs 1-14 General 1.8 Using the THS4012 EVM With Differential Inputs The THS4012 EVM operates from power-supply voltages ranging from ± 5 V to ± 15 V. Move resistors on the board as detailed above for either noninverting or inverting operation to configure t...

Page 21 - Figure 1–6. THS4012 EVM Frequency Response with Gain = 2; Figure 1–7. THS4012 EVM Phase Response with Gain = 2

THS4012 EVM Performance 1-15 General 1.10 THS4012 EVM Performance Figure 1–6 shows the typical frequency response of the THS4012 EVM usingthe noninverting configuration (G = 2). Typical – 0.1 dB bandwidth is 25 MHzand – 3-dB bandwidth is 75 MHz with both a ± 15-V power supply and a ± 5-V power suppl...

Page 22 - General High-Speed Amplifier Design Considerations

General High-Speed Amplifier Design Considerations 1-16 General 1.11 General High-Speed Amplifier Design Considerations The THS4012 EVM layout has been designed and optimized for use withhigh-speed signals and can be used as an example when designing THS4012applications. Careful attention has been g...

Page 23 - General PowerPAD Design Considerations; Figure 1–8. PowerPAD PCB Etch and Via Pattern

General PowerPAD Design Considerations 1-17 General 1.12 General PowerPAD Design Considerations The THS4012DGN IC is mounted in a special package incorporating a thermalpad that transfers heat from the IC die directly to the PCB. The PowerPADpackage is constructed using a downset leadframe. The die ...

Page 24 - Figure 1–9. Maximum Power Dissipation vs Free-Air Temperature

General PowerPAD Design Considerations 1-18 General 8) With these preparatory steps in place, the THS4012DGN IC is simply placed in position and run through the solder reflow operation as anystandard surface-mount component. This results in a part that is properlyinstalled. The actual thermal perfor...

Page 27 - Reference; Chapter 2

2-1 Reference Reference This chapter includes a complete schematic, parts list, and PCB layoutillustrations for the THS4012 EVM. Topic Page 2.1 THS4012 EVM Complete Schematic 2–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 THS4012 Dual High-Speed Operational Amplifier EVM Parts List ...

Page 28 - X are not supplied on the board, but can be

THS4012 EVM Complete Schematic 2-2 Reference 2.1 THS4012 EVM Complete Schematic Figure 2–1 shows the complete THS4012 EVM schematic. The EVM isshipped preconfigured for dual-channel, single-ended inverting operation.Components showing a value of X are not supplied on the board, but can be installed ...

Page 29 - THS4012 Dual High-Speed Operational Amplifier EVM Parts List

THS4012 Dual High-Speed Operational Amplifier EVM Parts List 2-3 Reference 2.2 THS4012 Dual High-Speed Operational Amplifier EVM Parts List Table 2–1. THS4012 EVM Parts List Reference Description Size Manufacturer/Supplier Part Number C1, C2 Capacitor, 6.8 µ F, 35 V, Tantalum, SM Sprague 293D685X903...

Page 31 - Figure 2–3. THS4012 EVM PC Board Layout – Component Side

THS4012 EVM Board Layouts 2-5 Reference Figure 2–3. THS4012 EVM PC Board Layout – Component Side

Page 32 - Figure 2–4. THS4012 EVM PC Board Layout – Back Side

THS4012 EVM Board Layouts 2-6 Reference Figure 2–4. THS4012 EVM PC Board Layout – Back Side