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Capacitive Load Drive Verified Reference Design Using an Isolation Resistor
TIPD128
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Key Document

TIPD128 Design File (Rev. C) (ZIP 6277 KB)
17 Nov 2014

Capacitive Load Drive Solution Using an Isolation Resistor Design Guide (Rev. C) (PDF 923 KB)
17 Nov 2014

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Description

This TI Verified Design implements a variety of op amps driving capacitive loads from 100pF to 1uF using a isolation resistor. The OPA192 is highlighted due to its ability to drive large capacitive loads with small isolation resistors.

Features

Supply Voltage: 30 V (+/-15 V)
Capacitive Loads: 100 pF, 1000 pF, 0.01 mF, 0.1 mF, 1 mF
Features the OPA192 High Voltage, Rail-to-Rail Input/Output,Precision Op Amps, E-Trim™ Series Amplifier

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Schematic/Block Diagram

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Design Files

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TI Devices (14)

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Part Number	Name	Product Family	Sample & Buy	Design Kits & Evaluation Modules
OPA140	11MHz, Single Supply, Low Noise, Precision, Rail-to-Rail Output, JFET Amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA170	36V, microPower, Rail-to-Rail Output, General Purpose Op Amp in MicroPackages	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA172	36-V, Single-Supply, 10-MHz, Rail-to-Rail Output, Operational Amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA192	High-Voltage, Rail-to-Rail Input/Output, 5µV, 0.2µV/˚C, Precision Operational Amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA209	2.2nV/rtHz, 18MHz, Precision, RRO, 36V Operational Amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA2170	36V, microPower, Rail-to-Rail Output, Dual, General Purpose Op Amp in microPackage	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA2172	36-V, Single-Supply, 10-MHz, Rail-to-Rail Output, Operational Amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA2192	36-V, Precision, RRIO, Low Offset Voltage, Low Input Bias Current Op Amp With e-trim	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA320	Precision, Zero-Crossover, 20MHz, 0.9pA Ib, RRIO, CMOS Operational Amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA340	Single, single-supply, rail-to-rail, low power operational amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA350	Single, single-supply, rail-to-rail, high speed, low noise operational amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA365	2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA4170	36V, microPower, Rail-to-Rail Output, Quad, General Purpose Op Amp	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules
OPA4172	36-V, Single-Supply, 10-MHz, Rail-to-Rail Output, Operational Amplifier	Operational amplifiers (op amps)	Sample & Buy	View Design Kits & Evaluation Modules

CAD/CAE symbols

Part #	Package \| Pins	CAD File (.bxl)	STEP Model (.stp)
OPA140	SOT-23 (DBV) \| 5	Download	Download
	SOIC (D) \| 8	Download	Download
	VSSOP (DGK) \| 8	Download	Download
OPA170	SOT-23 (DBV) \| 5	Download	Download
	SOT-5X3 (DRL) \| 5	Download	Download
	SOIC (D) \| 8	Download	Download
OPA172	SOT-23 (DBV) \| 5		Download
	SOT-SC70 (DCK) \| 5		Download
	SOIC (D) \| 8	Download	Download
OPA192	SOT-23 (DBV) \| 5	Download	Download
	SOIC (D) \| 8		Download
	VSSOP (DGK) \| 8		Download
OPA209	SOT-23 (DBV) \| 5	Download	Download
	SOIC (D) \| 8	Download	Download
	VSSOP (DGK) \| 8	Download	Download
OPA2170	SOIC (D) \| 8	Download	Download
	VSSOP (DCU) \| 8	Download	Download
	VSSOP (DGK) \| 8	Download	Download
	WSON (DSG) \| 8		Download
OPA2172	SOIC (D) \| 8		Download
	VSSOP (DGK) \| 8		Download
OPA2192	SOIC (D) \| 8		Download
	VSSOP (DGK) \| 8		Download
OPA320	SOT-23 (DBV) \| 5	Download	Download
OPA340	SOT-23 (DBV) \| 5	Download	Download
	SOIC (D) \| 8	Download	Download
	PDIP (P) \| 8	Download	Download
OPA350	SOIC (D) \| 8	Download	Download
	VSSOP (DGK) \| 8	Download	Download
	PDIP (P) \| 8	Download	Download
OPA365	SOT-23 (DBV) \| 5	Download	Download
	SOIC (D) \| 8	Download	Download
OPA4170	SOIC (D) \| 14	Download	Download
	TSSOP (PW) \| 14	Download	Download
OPA4172	SOIC (D) \| 14	Download	Download
	TSSOP (PW) \| 14	Download	Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)

Title	Type	Size (KB)	Date
Capacitive Load Drive Solution Using an Isolation Resistor Design Guide (Rev. C)	PDF	923	17 Nov 2014

Design files (3)

Title	Type	Size (KB)	Date
TIPD128 Gerber	ZIP	231	09 Jan 2014
TIPD128 BOM	PDF	65	09 Jan 2014
TIPD128 Schematic	PDF	93	09 Jan 2014

More literature (1)

Title	Type	Size (KB)	Date
Precision Amplifier Quickstart Kit brochure (Rev. A)	PDF	743	13 Jan 2015

Related Tools & Software

Software (3)

TIPD128 Test Files (Rev. B)
(ZIP, 5763 KB) 17 Nov 2014

TIPD128 Design File (Rev. C)
(ZIP, 6277 KB) 17 Nov 2014

TIPD128 Simulation
(ZIP, 207 KB) 09 Jan 2014

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