Manuals / Texas Instruments / Home Audio / Stereo Amplifier

Texas Instruments THS4150 manual ±5. VICR Level Shifter, Introduction and Description

Models: THS4150

1 26

Download 26 pages 10.95 Kb

Page 12

Image 12

Additional Sample Schematics

Figure 1±5. VICR Level Shifter

						R6B
				VCC		402 Ω
	RX3		RPU1	VCC		C4
	49.9 Ω					VCC
50 Ω						VCC
50 Ω	RX1	R1b	R3b
Source	RX1	R1b	R3b			+
						+
VIN	0 Ω	0 Ω	374 Ω			±
VIN	0 Ω	0 Ω	374 Ω			THS4150
AC		Rx0	R3a			THS4150
AC		Rx0	R3a			+
		24.9 Ω	374 Ω			±
		24.9 Ω	374 Ω
				C1	VOCM	VCC±	C6
			RPU2		VOCM
			RPU2			R6a
						R6a
						402 Ω

R4b	Rx4	R10
0 Ω	0 Ω	49.9 Ω
R4a	Rx5	Rx6
0 Ω	0 Ω	49.9 Ω

Note: Shifting the VICR within the specified range in the data sheet via RPU1 and RPU2 if the VICR is out of the specified range. See the Application section of the data sheet for the THS4150 for more information.

Figure 1±6. Butterworth Filter With Multiple Feedback.

RX3

RX1R1B

1 dBm

RX2 R1A

R2B
	C1B
	VCC
R3B	+	5 V	R10
	+	±
C2		±
C2	THS4150		RX7
R3A	±	+	RX7
	±
		±5 V
	VCC±
R2A	C1A
R2A

Note: Butterworth filter implemented with multiple feedback architecture

1-6	Introduction and Description

Page 12

Image 12

Texas Instruments THS4150 manual ±5. VICR Level Shifter, Introduction and Description, Additional Sample Schematics

Contents

Mixed-SignalProducts Users GuideTHS4150 EVM Users Guide for HighSpeedIMPORTANT NOTICE How to Use This Manual PrefaceAbout This Manual Information About Cautions and Warnings Related Documentation From Texas InstrumentsFCC Warning TrademarksContents Figures TablesIntroduction and Description ChapterPage Topic1.2 Evaluation Module Features 1.1 DescriptionIntroduction and Description 1.3 THS4150 EVM Specifications Introduction and Description1.5 THS4150 EVM Schematic Figure 1±2. SchematicTHS4150 EVM Schematic Introduction and Description1.6 Additional Sample Schematics Additional Sample Schematics Figure 1±5. VICR Level ShifterIntroduction and Description 1.7 THS4150 EVM Layout Introduction and DescriptionTHS4150 EVM Layout TEXAS INSTRUMENTS THS4150 EVM REV BFigure 1±9. Internal Plane Layer 2 Ground Plane Figure 1±10. Internal Plane Layer 3 ± VCC PlaneIntroduction and Description THS4150 EVM LayoutFigure 1±11. Bottom Layer 4 Ground and Signal Introduction and DescriptionTHS4150 EVM Layout Introduction and Description Using the THS4150 EVM ChapterPage Topic2.2Power Supply Setup 2.1Required EquipmentFigure 2±1. Power Supply Connection Using the THS4150 EVM2.3Input and Output Setup Figure 2±2. Signal ConnectionsUsing the THS4150 EVM 2.4Testing the EVM Setup Figure 2±3. Driver 1 Output SignalUsing the THS4150 EVM 2.5 Power Down Verification 2.6Measuring the Frequency ResponseUsing the THS4150 EVM 2.7 Butterworth Filter Using the THS4150 EVMFigure 2±4. Multiple Feedback Filter Circuit 2.8 THS4150 EVM Bill of Materials Figure 2±5. Gain vs PhaseUsing the THS4150 EVM Table 2±1. THS4150 EVM Bill of MaterialsUsing the THS4150 EVM THS4150 EVM Bill of MaterialsR3a, R3b General High-SpeedAmplifier Design Considerations ChapterGeneral High-SpeedAmplifier Design Considerations