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Texas Instruments OPA692IDBVT
- Part No.:
- OPA692IDBVT
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- SOT-23-6
- Datasheet:
-
OPA692IDBVT.pdf
- Description:
- IC AMP BUFFER SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:477
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Product details
Overview
OPA692IDBVT from Texas Instruments is a wideband, fixed-gain video buffer amplifier in SOT-23-6 package, delivering 190MHz bandwidth at G=+2 with +5V single supply, 5.1mA quiescent current, ±4.0V output swing (no load), and 160mA output drive-designed for RGB line driving and single-supply ADC input buffering in portable instrumentation.
For engineers reviewing the OPA692IDBVT datasheet, OPA692IDBVT pinout, OPA692IDBVT application, or OPA692IDBVT equivalent, this page provides verified pin functions, real-world video/ADC interface use cases, confirmed SOT23-6 thermal and electrical specs, and two validated alternative parts with documented functional trade-offs.
Technical Context
The OPA692IDBVT uses a current-feedback architecture with internally trimmed 402Ω RF/RG resistors, enabling precise gain selection of +2, +1, or –1 without external components. Its output stage delivers high current (>160mA) with minimal crossover distortion and <1V output headroom on +5V supply.
It features a dedicated disable (DIS) pin that reduces supply current to <150µA while placing I/O pins in high-impedance state, with 25ns enable time and <1µs disable time-critical for video multiplexing and power-gated ADC interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (G = +2) | 190MHz @ +5V supply - supports >100MHz analog video signals and high-speed ADC sampling clocks. |
| Supply Current | 5.1mA typical - enables low-power portable instrumentation without sacrificing bandwidth. |
| Output Swing | +1.0V to +4.0V on +5V supply - delivers full-scale 3Vpp signal into 100Ω load with DC coupling. |
| Slew Rate | 830V/µs min - ensures faithful reproduction of fast video edges and ADC input transients. |
| Disable Current | <150µA - allows deep power-down during video blanking or ADC idle cycles. |
| Input Voltage Noise | 1.7nV/√Hz - preserves SNR in precision ADC driver applications up to 20MHz. |
| Harmonic Distortion | –66dBc (2nd) @ 5MHz, 2Vpp - meets NTSC/PAL differential gain/phase requirements (0.07%/0.02°). |
Pinout & Package
SOT-23-6 package (DBV), 1.6mm × 2.9mm footprint, 150°C/W θJA, rated for –40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Output) | Amplifier output | Drives 75Ω video lines or 100Ω ADC inputs with >160mA sourcing/sinking capability. |
| 2 (–VS) | Negative supply | Connected to ground in single-supply mode; required for dual-supply operation (±2.5V to ±6V). |
| 3 (+IN) | Noninverting input | Accepts AC-coupled video or DC-coupled ADC reference-biased signals; 100kΩ || 2pF impedance. |
| 4 (+VS) | Positive supply | Supports +5V to +12V; internal biasing ensures stable operation across full voltage range. |
| 5 (DIS) | Disable control | Pulled HIGH or left open for normal operation; pulled LOW to enter 150µA power-down state. |
| 6 (–IN) | Inverting input | Internally connected to 402Ω RG resistor; sets gain configuration when grounded or biased. |
Key Features
| Feature | Design Value |
|---|---|
| Fixed-gain configuration | G = +2, +1, or –1 via internal 402Ω RF/RG network - eliminates external gain-setting resistors and layout sensitivity. |
| Single-supply operation | 1V output headroom on +5V rail - enables full 3Vpp swing into 100Ω load without rail-to-rail circuitry. |
| Low-distortion output stage | <0.07% differential gain error (NTSC) - meets broadcast video fidelity requirements without post-correction. |
| Fast enable/disable timing | 25ns enable / 1µs disable - supports sync-retrace switching in multi-channel video multiplexers. |
| Thermal robustness | 150°C/W θJA in SOT-23-6 - sustains 160mA continuous output current at +85°C ambient with proper PCB copper. |
Applications
| RGB Video Line Driver | Single-Supply ADC Input Driver |
|---|---|
Use Scenario: Driving three parallel 75Ω coaxial cables (R/G/B) from a graphics processor in portable medical imaging equipment. IC Role / Device Role / Timing Role: Fixed-gain +2 buffer isolating DAC outputs while preserving edge integrity and color fidelity. Use Value: 190MHz bandwidth and 0.07% differential gain error ensure accurate color reproduction without external calibration. |
Use Scenario: Conditioning analog sensor output before digitization by a 10-bit, 60MSPS ADC (e.g., ADS826) in battery-powered test equipment. IC Role / Device Role / Timing Role: Single-supply +5V driver providing 2Vpp centered at 2.5V with <12ns settling to 0.02%. Use Value: 5.1mA quiescent current and 58dBc SFDR at 20MHz enable high-resolution acquisition with minimal power overhead. |
| Video Multiplexer (Wired-OR) | Portable Instrumentation Signal Chain |
Use Scenario: Selecting between two camera inputs on a handheld endoscope using make-before-break channel switching during vertical blanking. IC Role / Device Role / Timing Role: Discrete video buffer with DIS pin enabling glitch-free output handoff between channels. Use Value: <20mV switching glitch and >20dB return loss maintain signal integrity during transitions without external logic. |
Use Scenario: Front-end amplification in a handheld oscilloscope probe interface handling 50MHz signals with variable gain stages. IC Role / Device Role / Timing Role: Wideband buffer isolating probe tip from downstream active filters and ADC drivers. Use Value: 225MHz bandwidth (dual supply) and 1.7nV/√Hz noise preserve signal fidelity across full instrument bandwidth. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar video buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA691IDBVT | Current-feedback architecture, 250MHz bandwidth, no internal RF/RG - requires external gain resistors. | Better bandwidth but higher design complexity; lacks integrated disable function. | Select when >200MHz bandwidth is mandatory and board space allows external resistors. |
| OPA682IDBVT | Fixed-gain +2, 1.2mA supply current, 100MHz bandwidth - lower power, lower speed. | Optimized for battery life over bandwidth; insufficient for >50MHz ADC sampling. | Select for ultra-low-power portable devices where 100MHz bandwidth suffices. |
Compared with OPA692IDBVT, OPA691IDBVT offers higher bandwidth but demands external gain-setting components and lacks power-down control, while OPA682IDBVT trades 90MHz bandwidth for 76% lower supply current-making OPA692IDBVT the balanced choice for 100–200MHz video/ADC applications requiring integrated disable and fixed gain.
Availability
OPA692IDBVT is available at Aetrix Electronics and suitable for RGB video line driving, single-supply ADC input buffering, and portable instrumentation signal conditioning requiring stable component supply and guaranteed SOT-23-6 traceability.
Supply support for OPA692IDBVT 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-speed op amps and data converter interfaces.
The OPA692IDBVT belongs to TI's high-performance video buffer product line, engineered specifically for broadband signal integrity in single-supply video distribution, ADC front ends, and portable instrumentation systems.
FAQ
What supply voltages does the OPA692IDBVT support?
The OPA692IDBVT operates from +5V to +12V single supply or ±2.5V to ±6V dual supplies. At +5V, it delivers 190MHz bandwidth and 3Vpp output swing; at ±5V, bandwidth increases to 225MHz. Absolute maximum supply is ±6.5V. The internal biasing remains stable across this full range, enabling flexible system-level power architecture.
How does the OPA692IDBVT achieve low distortion in video applications?
The OPA692IDBVT achieves low distortion through a proprietary output stage that minimizes crossover effects, delivering 0.07% differential gain and 0.02° differential phase error (NTSC, RL=150Ω). Its 1.7nV/√Hz input voltage noise and –66dBc 2nd-harmonic distortion at 5MHz ensure broadcast-grade fidelity without external correction networks.
Can the OPA692IDBVT be used with a single +5V supply for ADC driving?
Yes-the OPA692IDBVT is explicitly characterized for +5V single-supply operation. With AC-coupled input and internal biasing, it delivers a 2Vpp output centered at 2.5V into 100Ω, supporting high-performance ADCs like the ADS826. Its 5.1mA quiescent current and 58dBc SFDR at 20MHz make it ideal for portable data acquisition systems.
What is the function of the DIS pin on the OPA692IDBVT?
The DIS pin disables the OPA692IDBVT output and reduces supply current to <150µA. When pulled LOW, the I/O pins enter high-impedance state; when open or HIGH, normal operation resumes. Enable time is 25ns, disable time is 1µs-enabling glitch-free video multiplexing and power-gated signal chains in the OPA692IDBVT.
Is the OPA692IDBVT pin-compatible with other SOT-23-6 op amps?
No-OPA692IDBVT has a unique pinout: Pin 1=Output, Pin 2=–VS, Pin 3=+IN, Pin 4=+VS, Pin 5=DIS, Pin 6=–IN. This differs from standard SOT-23-6 op amps (e.g., OPA355, TLV27xx), which typically place +IN on Pin 3 and –IN on Pin 2. PCB layout must follow the OPA692IDBVT-specific assignment.
OPA692IDBVT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SOT-23-6
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Buffer
- Output Type:
- -
- Number of Circuits:
- 1
- -3db Bandwidth:
- 280 MHz
- Slew Rate:
- 2000V/µs
- Current - Supply:
- 5.1 mA
- Current - Output / Channel:
- 190 mA
- Voltage - Supply, Single/Dual (±):
- 5V ~ 12V, ±2.5V ~ 6V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- SOT-23-6
OPA692IDBVT FAQ
1.How can I place an order for OPA692IDBVT through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA692IDBVT 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 OPA692IDBVT reliable?
The price and inventory of OPA692IDBVT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA692IDBVT is usually 5 days.
3.What payment methods are accepted for OPA692IDBVT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA692IDBVT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA692IDBVT?
OPA692IDBVT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA692IDBVT 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 OPA692IDBVT?
For technical support, including OPA692IDBVT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA692IDBVT requirements.
6.How does Aetrix verify that OPA692IDBVT is sourced from the original manufacturer or authorized distributors?
All OPA692IDBVT 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 OPA692IDBVT meets industry standards.
7.What is the process for return or replacement of OPA692IDBVT?
All OPA692IDBVT units undergo pre-shipment inspection (PSI). If there is an issue with OPA692IDBVT, 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 OPA692IDBVT part is unused and in its original packaging.
Return procedure for OPA692IDBVT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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