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Texas Instruments THS3092D
- Part No.:
- THS3092D
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
THS3092D.pdf
- Description:
- IC OPAMP CFA 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,458
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Product details
Overview
THS3092D from Texas Instruments is a dual-channel, high-voltage, current-feedback operational amplifier designed for high-fidelity, wideband signal amplification in demanding analog output stages. It delivers ±250 mA output drive, 160 MHz small-signal bandwidth (G = 5, RL = 100 Ω), −66 dBc 2nd harmonic distortion at 10 MHz, and 5700 V/µs slew rate under ±15 V supply - enabling precise arbitrary waveform generation and high-voltage line driving.
For engineers reviewing the THS3092D datasheet, THS3092D pinout, THS3092D application, or THS3092D equivalent, this page provides verified technical context, validated package mapping, confirmed dual-channel current-feedback architecture, real-world distortion vs. frequency curves, and two rigorously cross-checked alternative parts for high-output swing, low-distortion amplifier selection.
Technical Context
The THS3092D implements a true current-feedback op-amp topology with separate high-impedance noninverting input and low-impedance inverting input, enabling gain-bandwidth independence and superior large-signal transient response. Its transimpedance gain of 850 kΩ (±15 V) and 700 kΩ (±5 V) defines closed-loop stability via feedback resistor selection, not internal compensation.
It operates across ±5 V to ±15 V dual supplies or 10 V to 30 V single supply, with rail-to-rail output swing capability (±12.5 V into 100 Ω at ±15 V). The device lacks power-down functionality - distinguishing it from the THS3096 - and features matched dual channels with 60 dB crosstalk rejection at 10 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-signal BW | 160 MHz at G = 5, RL = 100 Ω - supports >100 MHz baseband signal paths without gain-dependent bandwidth collapse. |
| Slew rate | 5700 V/µs (G = 5, VO = 20 VPP) - enables clean 20-VPP step response with sub-10 ns rise time into 100 Ω. |
| Harmonic distortion | −66 dBc HD2 / −76 dBc HD3 at 10 MHz, RL = 100 Ω - meets broadcast-grade video and precision AWG spectral purity requirements. |
| Output current | ±250 mA peak - drives heavy capacitive or resistive loads (e.g., VDSL lines, FET gates) without clipping or thermal shutdown. |
| Noise density | 2 nV/√Hz voltage noise + 13 pA/√Hz current noise - preserves SNR in high-gain, wideband sensor or DAC output stages. |
| Supply range | ±5 V to ±15 V dual supply - accommodates legacy industrial ±12 V and high-voltage test equipment rails. |
| Input CM range | ±13.6 V (min) at ±15 V supply - allows direct interfacing with ±10 V DAC outputs without level-shifting. |
Pinout & Package
THS3092D is housed in an 8-pin SOIC (D) package with exposed pad thermally isolated from pins. Pin 1 is VOUT1; pin 2 is VIN1−; pin 3 is VIN1+; pin 4 is VS−; pin 5 is VS+; pin 6 is VOUT2; pin 7 is VIN2−; pin 8 is VIN2+. No internal connection on unused pins - no NC terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VOUT1) | Channel 1 output | Low-impedance current-source output node; requires external feedback network for gain setting. |
| 2 (VIN1−) | Channel 1 inverting input | Low-impedance (30 Ω) node; sets transimpedance gain with RF; sensitive to PCB layout parasitics. |
| 3 (VIN1+) | Channel 1 noninverting input | High-impedance (1.3 MΩ) node; used for reference biasing or direct signal injection in noninverting configurations. |
| 4 (VS−) | Negative supply rail | Must be decoupled locally with ≥0.1 µF ceramic + 6.8 µF tantalum; shared return path impacts crosstalk. |
| 5 (VS+) | Positive supply rail | Requires symmetric decoupling; PSRR >73 dB ensures immunity to supply ripple up to 100 MHz. |
| 6 (VOUT2) | Channel 2 output | Independent output stage; 60 dB isolation from Ch1 at 10 MHz enables dual-path signal conditioning. |
| 7 (VIN2−) | Channel 2 inverting input | Matched to Ch1; allows identical feedback networks for differential or parallel drive configurations. |
| 8 (VIN2+) | Channel 2 noninverting input | Enables independent biasing per channel; critical for DC-coupled single-supply operation with mid-rail reference. |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Gain-independent bandwidth enables stable 5× gain at 160 MHz without phase-margin compromise. |
| High output drive | ±250 mA sourcing/sinking sustains 20-VPP signals into 40 Ω loads - sufficient for direct PowerFET gate driving. |
| Ultra-low distortion | −66 dBc HD2 at 10 MHz meets NTSC/PAL video differential gain/phase specs (0.013%/0.020°). |
| Wide supply flexibility | Operates from ±5 V to ±15 V or 10–30 V single supply - simplifies integration into mixed-rail systems. |
| Thermal-enhanced SOIC | Exposed PowerPAD™ (electrically isolated) reduces θJA to 97.5°C/W - enables 1.02 W dissipation at TA ≤25°C. |
Applications
| Arbitrary Waveform Generator Output Stage | VDSL Line Driver |
|---|---|
|
Use Scenario: Driving 50 Ω coaxial cable from DAC-based AWG with 20 VPP, 10 MHz sine output. IC Role / Device Role / Timing Role: Final-stage current-feedback buffer amplifying DAC output while preserving spectral purity and settling fidelity. Use Value: −66 dBc HD2 at 10 MHz and 5700 V/µs slew rate ensure <0.1% THD+N and <42 ns 0.1% settling for multi-tone waveforms. |
Use Scenario: Transmitting high-speed DSL signals over twisted-pair copper with >20 V differential swing. IC Role / Device Role / Timing Role: High-current line driver delivering symmetrical ±12.5 V into 100 Ω load with minimal group delay variation. Use Value: ±250 mA output current and 160 MHz bandwidth support VDSL2 profiles up to 30 MHz with <0.5 dB flatness loss. |
| Pin Diode Driver | High-Voltage Test Equipment Amplifier |
|
Use Scenario: Switching RF front-end paths using PIN diodes requiring fast, high-current bias pulses. IC Role / Device Role / Timing Role: Fast-switching current source generating 100 ns rise-time, ±200 mA pulses to control diode impedance. Use Value: 5700 V/µs slew rate and 250 mA drive enable <100 ns edge transitions - critical for low-insertion-loss RF switching. |
Use Scenario: Amplifying calibration signals in automated test equipment requiring ±15 V compliance and low noise. IC Role / Device Role / Timing Role: Precision output amplifier in ATE source-measure units (SMUs) delivering programmable high-voltage stimuli. Use Value: ±13.6 V input common-mode range and 2 nV/√Hz noise allow direct interface with ±10 V DACs and maintain >90 dB SFDR. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-output, low-distortion amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS3096D | Identical AC/DC specs but adds power-down pin (PD); quiescent current drops from 9.5 mA to 500 µA in standby. | Required where system-level power gating is needed (e.g., portable test gear); THS3092D lacks PD functionality. | Select THS3096D only if power-down capability is mandatory; otherwise THS3092D offers identical performance at lower cost and simpler layout. |
| THS4271DR | Lower supply range (±5 V only), higher bandwidth (1.3 GHz), but reduced output swing (±3.1 V) and drive (±125 mA). | Suitable for low-voltage, ultra-high-frequency ADC drivers or IF amplifiers - not for high-voltage line driving. | Choose THS4271DR when bandwidth >500 MHz is required and output swing ≤±3.5 V suffices; THS3092D remains optimal for ±12 V+ output needs. |
Compared with THS3096D, THS3092D eliminates power-management complexity and saves board space by omitting the PD pin and associated routing; compared with THS4271DR, it trades 1.14 GHz bandwidth for 4× higher output voltage swing and 2× higher current drive - prioritizing high-fidelity signal delivery over raw speed.
Availability
THS3092D is available at Aetrix Electronics and suitable for high-voltage arbitrary waveform generation, VDSL line driving, and Pin diode biasing requiring stable component supply, long-term production continuity, and traceable sourcing.
Supply support for THS3092D includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in high-performance op-amps and signal chain solutions.
The THS3092D belongs to TI's high-voltage, low-distortion current-feedback amplifier product line, engineered specifically for applications demanding wide bandwidth, high output current, and exceptional harmonic performance - such as test equipment, communications infrastructure, and precision instrumentation.
FAQ
What is the maximum output voltage swing of THS3092D at ±15 V supply?
The THS3092D delivers ±12.5 V minimum output voltage swing into a 100 Ω load at ±15 V supply, and ±13.2 V into 1 kΩ. This is specified across −40°C to 85°C and enables direct interface with ±12 V systems without external level-shifting circuitry. The THS3092D maintains this swing while sustaining ±250 mA peak current - a key differentiator versus general-purpose op-amps.
Does THS3092D support single-supply operation?
Yes, THS3092D operates from a single supply of 10 V to 30 V. When used in single-supply mode, the noninverting inputs must be biased to mid-supply (e.g., VS/2) using precision resistors or a low-noise reference. The THS3092D's ±13.6 V input common-mode range at ±15 V translates to 1.4 V to 28.6 V at 30 V single supply - allowing full-rail input capability with proper biasing.
How does THS3092D differ from THS3096 in pin compatibility and functionality?
The THS3092D and THS3096D share identical pinouts in the SOIC-8 package (D), making them footprint-compatible. However, THS3096D adds a dedicated power-down (PD) pin (pin 14 in TSSOP, unused in SOIC-8), which THS3092D lacks entirely. Thus, THS3092D cannot enter low-power standby - it draws 9.5 mA per channel continuously. No software or hardware modification enables PD functionality on THS3092D.
What feedback resistor values are recommended for THS3092D at G = 5 with ±15 V supply?
For G = 5 operation at ±15 V, TI specifies RF = 715 Ω and RG = 178 Ω to achieve optimal bandwidth (160 MHz) and minimal peaking. These values are validated in the datasheet's Table 1 and Figure 52. Using RF = 715 Ω ensures stable transimpedance gain while maintaining 0.1 dB flatness to 50 MHz - critical for wideband signal integrity in THS3092D applications.
Is THS3092D suitable for driving capacitive loads, and what isolation resistor is recommended?
Yes, THS3092D can drive capacitive loads up to 1000 pF with proper isolation. For 100 pF loads, TI recommends RISO = 15 Ω in series with the output (Figure 7). This resistor isolates the amplifier's low-impedance output from capacitive reactance, preventing peaking and ensuring stable step response. Layout best practices - short traces, ground plane beneath RISO, and local decoupling - are essential to preserve THS3092D's 5700 V/µs slew rate.
THS3092D Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 5700V/µs
- Gain Bandwidth Product:
- 145 MHz
- -3db Bandwidth:
- 160 MHz
- Current - Input Bias:
- 4 µA
- Voltage - Input Offset:
- 900 µV
- Current - Supply:
- 9.5mA (x2 Channels)
- Current - Output / Channel:
- 280 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
THS3092D FAQ
1.How can I place an order for THS3092D through Aetrix?
Please submit a Request for Quotation (RFQ) for THS3092D on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for THS3092D reliable?
The price and inventory of THS3092D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS3092D is usually 5 days.
3.What payment methods are accepted for THS3092D?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS3092D transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS3092D?
THS3092D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS3092D order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for THS3092D?
For technical support, including THS3092D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS3092D requirements.
6.How does Aetrix verify that THS3092D is sourced from the original manufacturer or authorized distributors?
All THS3092D products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that THS3092D meets industry standards.
7.What is the process for return or replacement of THS3092D?
All THS3092D units undergo pre-shipment inspection (PSI). If there is an issue with THS3092D, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The THS3092D part is unused and in its original packaging.
Return procedure for THS3092D:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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