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Texas Instruments OPA683IDBVRG4
- Part No.:
- OPA683IDBVRG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6
- Datasheet:
-
OPA683IDBVRG4.pdf
- Description:
- IC OPAMP CFA 1.44GHZ SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
OPA683IDBVRG4 from Texas Instruments is a very low-power, current-feedback operational amplifier with disable control, designed for high-speed analog signal conditioning in space- and power-constrained systems. It delivers 150MHz bandwidth at G = +2, 110mA output drive, < –69dBc harmonic distortion at 5MHz, and operates from ±2.5V to ±6V or +2.8V to +12V supplies - enabling use in broadcast video drivers and ADC input stages.
For engineers reviewing the OPA683IDBVRG4 datasheet, OPA683IDBVRG4 pinout, OPA683IDBVRG4 application, or OPA683IDBVRG4 equivalent, key selection criteria include its CFBplus architecture for gain-independent bandwidth, 40ns enable time, 100µA shutdown current, and SOT-23-6 package compatibility with high-density PCB layouts.
Technical Context
The OPA683IDBVRG4 implements a CFBplus architecture featuring an internally closed-loop input buffer stage that linearizes inverting-input impedance, reducing gain-dependent bandwidth roll-off and harmonic distortion. Its transimpedance open-loop gain is 700kΩ (min), with inverting input resistance of 4.5Ω (typ) and noninverting input impedance of 50kΩ || 2pF.
This architecture enables stable operation across gains from +1 to +100 while maintaining >90MHz bandwidth up to G = +10 and supporting peaking elements or multi-input summing without significant bandwidth penalty - distinguishing it from conventional low-power CFB amplifiers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-Signal Bandwidth (G = +2) | 150MHz (min) - supports HD video signal paths and fast ADC front-ends without gain-dependent compensation. |
| Output Current (sourcing) | 150mA (min) - drives ±4VPP into 100Ω loads on ±5V supplies, suitable for doubly terminated 50Ω cables. |
| Supply Current (active) | 0.94mA (typ) - enables battery-powered or thermally constrained designs where power budget is ≤1mW per channel. |
| Shutdown Current | 100µA (typ) - reduces system standby power by >90% while preserving high-impedance I/O state. |
| Slew Rate (G = +2) | 400V/µs (min) - ensures faithful reproduction of fast transient signals such as video sync pulses or pulse-width modulated waveforms. |
| Harmonic Distortion (5MHz) | < –69dBc (2nd/3rd, RL ≥ 1kΩ) - meets broadcast-grade differential gain/phase specs (0.06%/0.03°) for NTSC video. |
| Enable Time | 40ns (typ) - allows rapid power cycling in time-multiplexed signal chains without disrupting timing-critical sampling windows. |
Pinout & Package
SOT-23-6 package (DBV), 2.9mm × 1.6mm footprint, 0.95mm height, thermal resistance θJA = 150°C/W. RoHS-compliant, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - Output | Amplifier output node | Capable of ±4VPP swing into 1kΩ; 150mA sourcing/110mA sinking; low 0.007Ω closed-loop output impedance at 100kHz. |
| 2 - –VS | Negative supply rail | Accepts –2.5V to –6V (dual) or ground (single-supply); internal biasing maintains performance across full voltage range. |
| 3 - Noninverting Input | High-impedance input reference | 50kΩ || 2pF input impedance; CMIR ±3.75V (±5V); supports DC-coupled or AC-coupled biasing schemes. |
| 4 - +VS | Positive supply rail | Accepts +2.5V to +6V (dual) or +2.8V to +12V (single); PSRR 62dB (–PSRR) / 65dB (+PSRR). |
| 5 - DIS | Active-low disable control | Pulled LOW disables amplifier; <100µA supply current; 70dB off-isolation at 5MHz; 40ns enable / 60ms disable timing. |
| 6 - Inverting Input | Current-sensing feedback node | Low 4.5Ω input resistance; linearized by internal buffer; sets gain via external RF/RG network (RF = 1.2kΩ recommended). |
Key Features
| Feature | Design Value |
|---|---|
| CFBplus architecture | Internally buffered inverting input enables near-constant bandwidth from G = +1 to +100 - eliminates iterative gain-compensation design. |
| Gain-independent distortion | Harmonic distortion remains < –63dBc up to G = +20 at 5MHz - critical for multi-gain video equalization filters. |
| Single-supply flexibility | Operates from +2.8V to +12V with input/output swing within 1.0V of rails - supports 3V logic interfacing and portable instrumentation. |
| Video-optimized linearity | Differential gain 0.06% / phase 0.03° (NTSC, RL = 150Ω) - meets SMPTE 253M broadcast video driver requirements. |
| Fast enable/disable control | 40ns turn-on / 60ms turn-off with ±70mV glitch - enables precise gating in time-domain multiplexed signal acquisition. |
Applications
| Low-Power Broadcast Video Drivers | ADC Input Drivers |
|---|---|
Use Scenario: Driving composite NTSC video signals over 150Ω coaxial cable in portable studio cameras. IC Role / Device Role / Timing Role: Final-stage buffer amplifier with DC coupling, gain = +2, driving doubly terminated 50Ω lines. Use Value: Delivers 0.06% differential gain / 0.03° phase error and ±4VPP swing - meets SMPTE 253M broadcast compliance without external calibration. | Use Scenario: Conditioning analog sensor outputs before 12-bit, 10MSPS SAR ADCs in industrial data loggers. IC Role / Device Role / Timing Role: Single-supply (5V) gain-of-2 driver with 150MHz bandwidth and low 4.4nV/√Hz input noise. Use Value: Maintains SNR > 70dB across full ADC input range while consuming only 4.7mW - extends battery life in field-deployed units. |
| SAW Filter High-Gain Post Amplifiers | Professional Camera Signal Chains |
Use Scenario: Amplifying narrowband IF signals from 100MHz SAW filters in spectrum analyzers with >40dB gain. IC Role / Device Role / Timing Role: High-Z inverting post-amplifier (G = –20) with RF = 1.2kΩ, minimizing filter loading effects. Use Value: Retains 72MHz bandwidth at G = –20 and achieves –67dBc 3rd-harmonic - preserves filter selectivity and dynamic range. | Use Scenario: RGB signal path conditioning in 4K digital cinema cameras requiring simultaneous low-noise, low-distortion, and low-power operation. IC Role / Device Role / Timing Role: Triple-channel parallel driver (three OPA683IDBVRG4) for R/G/B channels with independent disable control. Use Value: Enables per-channel power gating during idle frames, reducing total camera power by 2.8mW/channel without signal interruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA684IDBVR | Higher 200MHz bandwidth at G = +2; 1.3mA quiescent current; improved 3rd-harmonic distortion (–74dBc @ 5MHz). | Better suited for >100MHz post-filter amplification where power budget allows +0.36mW/channel increase. | Select OPA684IDBVR when harmonic distortion below –70dBc is required at G ≥ +5 and supply current >1mA is acceptable. |
| OPA2683IDGKR | Dual-channel version in VSSOP-8; same 150MHz bandwidth and 0.94mA/channel supply current; shared disable pin. | Reduces board area by 35% vs two discrete OPA683IDBVRG4; requires common enable control across both channels. | Choose OPA2683IDGKR for space-constrained dual-channel applications (e.g., stereo audio preamps or dual ADC drivers) where synchronized enable/disable is acceptable. |
Compared with OPA683IDBVRG4, OPA684IDBVR trades 0.4mA higher supply current for 50MHz more bandwidth and superior harmonic suppression, while OPA2683IDGKR offers identical per-channel specs in a dual configuration - making the OPA683IDBVRG4 optimal for single-channel, ultra-low-power, cost-sensitive video and instrumentation designs.
Availability
OPA683IDBVRG4 is available at Aetrix Electronics and suitable for low-power broadcast video drivers, ADC input drivers, SAW filter post-amplifiers, and professional camera signal chains requiring stable component supply and long-term production continuity.
Supply support for OPA683IDBVRG4 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 company specializing in analog and embedded processing technologies, with leadership in high-performance op amps, data converters, and power management ICs.
The OPA683IDBVRG4 belongs to TI's CFBplus current-feedback amplifier product line, engineered specifically for ultra-low-power, wideband signal conditioning in broadcast, test equipment, and portable imaging systems.
FAQ
What is the maximum operating supply voltage for the OPA683IDBVRG4?
The OPA683IDBVRG4 supports a maximum dual-supply voltage of ±6V and a maximum single-supply voltage of +12V. Absolute maximum ratings specify ±6.5VDC on the power supply pins. Operation beyond these limits risks permanent damage. The device is fully specified from ±2.5V to ±6V (dual) or +2.8V to +12V (single), with performance optimized at ±5V or +5V.
Does the OPA683IDBVRG4 require external compensation components?
No, the OPA683IDBVRG4 does not require external compensation. Its CFBplus architecture features an internally closed-loop input buffer that stabilizes frequency response across gains. For G = +2, the recommended feedback resistor is 1.2kΩ (dual supply) or 1.4kΩ (single +5V), with no additional capacitors needed for stability under standard load conditions (RL ≥ 100Ω).
How does the disable function affect the I/O pins of the OPA683IDBVRG4?
When the DIS pin is pulled LOW, the OPA683IDBVRG4 enters shutdown mode: supply current drops to <100µA, and both input and output pins enter high-impedance states. This prevents loading of upstream or downstream circuitry. The output capacitance in disable is 1.7pF (typ), minimizing feedthrough. Normal operation resumes within 40ns after DIS is raised above 3.4V.
Can the OPA683IDBVRG4 drive a 50Ω doubly terminated cable?
Yes, the OPA683IDBVRG4 can drive a 50Ω doubly terminated cable. With ±5V supplies, it delivers ±4VPP into 100Ω (equivalent to 50Ω doubly terminated), sourcing 150mA (min) and sinking 110mA (min). Its closed-loop output impedance is 0.007Ω at 100kHz, ensuring minimal signal reflection and flat frequency response up to 150MHz at G = +2.
What is the input voltage noise density of the OPA683IDBVRG4 at high frequencies?
The OPA683IDBVRG4 has an input voltage noise density of 4.4nV/√Hz (typ) for f > 1MHz, increasing to 5.8nV/√Hz (max) at +85°C. This low noise, combined with 5.1pA/√Hz noninverting input current noise, makes it suitable for medium-bandwidth sensor interfaces where signal integrity must be preserved without excessive gain-stage amplification.
OPA683IDBVRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 540V/µs
- Gain Bandwidth Product:
- 1.44 GHz
- -3db Bandwidth:
- 200 MHz
- Current - Input Bias:
- 3 µA
- Voltage - Input Offset:
- 1.5 mV
- Current - Supply:
- 940µA
- Current - Output / Channel:
- 150 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
OPA683IDBVRG4 FAQ
1.How can I place an order for OPA683IDBVRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA683IDBVRG4 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 OPA683IDBVRG4 reliable?
The price and inventory of OPA683IDBVRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA683IDBVRG4 is usually 5 days.
3.What payment methods are accepted for OPA683IDBVRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA683IDBVRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA683IDBVRG4?
OPA683IDBVRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA683IDBVRG4 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 OPA683IDBVRG4?
For technical support, including OPA683IDBVRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA683IDBVRG4 requirements.
6.How does Aetrix verify that OPA683IDBVRG4 is sourced from the original manufacturer or authorized distributors?
All OPA683IDBVRG4 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 OPA683IDBVRG4 meets industry standards.
7.What is the process for return or replacement of OPA683IDBVRG4?
All OPA683IDBVRG4 units undergo pre-shipment inspection (PSI). If there is an issue with OPA683IDBVRG4, 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 OPA683IDBVRG4 part is unused and in its original packaging.
Return procedure for OPA683IDBVRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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