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Texas Instruments OPA653IDBVR
- Part No.:
- OPA653IDBVR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
OPA653IDBVR.pdf
- Description:
- IC OPAMP JFET 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,796
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Product details
Overview
OPA653IDBVR from Texas Instruments is a wideband, fixed-gain, JFET-input operational amplifier optimized for +2 V/V noninverting or –1 V/V inverting configurations. It delivers 500 MHz small-signal bandwidth, 2675 V/μs slew rate, and –72 dBc 2nd-harmonic distortion at 10 MHz - enabling high-fidelity pulse acquisition and FFT-based signal analysis in oscilloscope front-ends and high-impedance probes.
For engineers reviewing the OPA653IDBVR datasheet, OPA653IDBVR pinout, OPA653IDBVR application, or OPA653IDBVR equivalent, key selection criteria include its internal 160 Ω gain-setting resistors, 6.1 nV/√Hz input voltage noise, ±10 pA input bias current, 70 mA output drive into 100 Ω, and SOT-23-5 package thermal resistance of 105 °C/W.
Technical Context
The OPA653IDBVR implements a voltage-feedback architecture with monolithic JFET input stage and laser-trimmed internal RF/RG resistors (160 Ω each) to fix gain at +2 V/V or –1 V/V. Its compensation is optimized for noise gain = 2, delivering 7.9 ns settling time to 1% on a 4-V step and 8 ns overdrive recovery.
It operates from ±3.5 V to ±6.5 V supplies, draws 32 mA quiescent current, and maintains 10¹² Ω || 2.5 pF input impedance. Output swing reaches ±3.6 V into 100 Ω at +25°C, with closed-loop output impedance of 0.16 Ω at 100 kHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-Signal Bandwidth | 500 MHz at G = +2 V/V - supports full-bandwidth digitization of signals up to 250 MHz Nyquist frequency |
| Slew Rate | 2675 V/μs - enables clean reproduction of fast-rising pulses without slewing-induced distortion |
| Input Voltage Noise | 6.1 nV/√Hz - preserves SNR in high-source-impedance probe and data acquisition applications |
| Harmonic Distortion | –72 dBc (2nd harmonic, 10 MHz) - meets spectral purity requirements for FFT-based measurement systems |
| Output Current | ±70 mA - drives 50 Ω or 100 Ω loads directly without external buffering |
| Input Bias Current | ±10 pA at +25°C - minimizes DC error in high-impedance sensor interfaces |
| Supply Voltage Range | ±3.5 V to ±6.5 V - compatible with standard ±5 V and ±6 V test equipment rails |
Pinout & Package
SOT-23-5 package (DBV), 5-pin surface-mount, exposed pad not electrically connected. Thermal resistance θJA = 105 °C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NC) | No connection | Internally unconnected; must be left floating or tied to ground per layout best practice |
| 2 (VS+) | Positive supply rail | Accepts +3.5 V to +6.5 V; requires local 0.1 μF decoupling capacitor |
| 3 (VOUT) | Amplifier output | Delivers ±3.6 V into 100 Ω; series RISO required for capacitive loads >5 pF |
| 4 (NC) | No connection | Internally unconnected; must be left floating or tied to ground |
| 5 (VIN–) | Inverting input | High-impedance node; feedback resistor must be placed adjacent to minimize parasitic capacitance |
| 6 (VIN+) | Noninverting input | 10¹² Ω || 2.5 pF input; 49.9 Ω shunt to ground used for 50 Ω source matching |
| 7 (VS–) | Negative supply rail | Accepts –3.5 V to –6.5 V; requires local 0.1 μF decoupling capacitor |
Key Features
| Feature | Design Value |
|---|---|
| Fixed internal gain resistors | 160 Ω RF and RG enable precise +2 V/V or –1 V/V gain without external components |
| Ultra-low input voltage noise | 6.1 nV/√Hz supports low-noise amplification of weak signals from passive probes |
| Fast overdrive recovery | 8 ns recovery time prevents pulse pile-up errors in burst-mode or transient capture systems |
| JFET input stage | 10¹² Ω input impedance and ±10 pA bias current preserve signal integrity in high-Z sensor paths |
| Optimized for 50 Ω environments | Internal termination compatibility enables direct integration into oscilloscope and spectrum analyzer front-ends |
Applications
| Test and Measurement Front-End | Oscilloscope Input Stage |
|---|---|
Use Scenario: Signal conditioning before ADC sampling in benchtop or portable oscilloscopes. IC Role / Device Role / Timing Role: Noninverting +2 V/V gain amplifier driving 100 Ω load with minimal group delay variation. Use Value: 500 MHz bandwidth and 7.9 ns settling ensure accurate time-domain representation of fast edges without overshoot. | Use Scenario: High-impedance passive probe interface with 50 Ω system termination. IC Role / Device Role / Timing Role: Inverting –1 V/V amplifier configured for 50 Ω source/load matching using 72.3 Ω input termination. Use Value: –72 dBc THD at 10 MHz enables clean spectral analysis of acquired waveforms. |
| High-Input Impedance Probe | Data Acquisition Card Amplifier |
Use Scenario: Active 10× probe head amplifying signals from high-Z DUTs before transmission over coaxial cable. IC Role / Device Role / Timing Role: Noninverting +2 V/V buffer isolating probe tip from cable capacitance and load variations. Use Value: 10¹² Ω input impedance and 2.5 pF input capacitance minimize loading of sensitive nodes. | Use Scenario: Front-end gain stage in modular DAQ systems handling multi-channel analog inputs. IC Role / Device Role / Timing Role: Fixed-gain amplifier providing consistent signal scaling prior to multiplexing and ADC conversion. Use Value: ±1 mV input offset and ±0.5% gain error ensure channel-to-channel amplitude matching across temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wideband op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA656IDBVR | Same 500 MHz bandwidth but unity-gain stable; higher 7 nV/√Hz noise; 290 V/μs slew rate | Better for variable-gain or low-noise DC-coupled stages where gain < +2 is needed | Select OPA656IDBVR when design requires stability at G ≥ 1 with adjustable gain, not fixed +2 |
| OPA659IDBVR | 650 MHz bandwidth, ±6 V operation, 2550 V/μs slew rate, 8.9 nV/√Hz noise, same SOT-23-5 package | Superior speed for >500 MHz signal chains; higher noise limits use in ultra-low-noise probe designs | Select OPA659IDBVR when bandwidth >500 MHz is mandatory and 8.9 nV/√Hz noise is acceptable |
Compared with OPA653IDBVR, OPA656IDBVR offers unity-gain stability at the cost of lower slew rate and higher noise, while OPA659IDBVR extends bandwidth to 650 MHz but trades 30% higher input noise - making OPA653IDBVR optimal for fixed +2 V/V, low-noise, high-fidelity acquisition where 500 MHz suffices.
Availability
OPA653IDBVR is available at Aetrix Electronics and suitable for test and measurement front-ends, oscilloscope input stages, and high-impedance probe designs requiring stable component supply, traceable sourcing, and long-term lifecycle support.
Supply support for OPA653IDBVR 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 heritage in precision amplifiers and high-speed signal chain solutions.
The OPA653 belongs to TI's high-speed JFET-input op amp product line, engineered specifically for wideband, low-distortion, fixed-gain applications in test equipment, instrumentation, and data acquisition systems.
FAQ
What is the maximum operating supply voltage for the OPA653IDBVR?
The OPA653IDBVR has an absolute maximum supply voltage rating of ±6.5 V. Its specified operating range is ±3.5 V to ±6.5 V, with optimal performance-including lowest distortion and highest bandwidth-achieved at ±6 V. Operation outside this range risks permanent damage or parametric shift, and the OPA653IDBVR must never be biased beyond ±6.5 V on either VS+ or VS– pins.
Does the OPA653IDBVR require external gain-setting resistors?
No, the OPA653IDBVR does not require external gain-setting resistors. It integrates precision 160 Ω resistors internally to fix the gain at +2 V/V (noninverting) or –1 V/V (inverting). This eliminates resistor matching errors and board space, and ensures stable gain over temperature and frequency - a core design feature confirmed in the SBOS348A datasheet for the OPA653IDBVR.
Can the OPA653IDBVR drive a 50 Ω load directly?
Yes, the OPA653IDBVR can drive a 50 Ω load directly, delivering ±3.2 V output swing at +25°C with ≤1% THD at 10 MHz. Its ±70 mA output current capability exceeds the 60 mA required for ±3 V into 50 Ω. However, for optimal pulse fidelity and stability, a series output resistor (RISO) is recommended when driving capacitive loads >5 pF - a requirement explicitly documented for the OPA653IDBVR in TI's application notes.
What is the input impedance of the OPA653IDBVR?
The OPA653IDBVR features a JFET-input stage with typical input impedance of 10¹² Ω in parallel with 2.5 pF capacitance. This high impedance minimizes loading on high-Z sources such as passive oscilloscope probes and piezoelectric sensors. The value is measured and specified in the Electrical Characteristics table of the OPA653IDBVR datasheet under "Noninverting Input Impedance" at +25°C.
Is the OPA653IDBVR pin-compatible with other SOT-23-5 op amps?
No, the OPA653IDBVR is not pin-compatible with generic SOT-23-5 op amps due to its unique pin assignment: Pin 1 and Pin 4 are NC (no connect), Pin 5 is VIN–, Pin 6 is VIN+, and Pin 7 is VS– - differing from standard 5-pin op amp layouts. Substitution requires PCB redesign. This configuration is fixed for the OPA653IDBVR and verified in TI's SBOS348A package drawing and pinout diagram.
OPA653IDBVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 2675V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 500 MHz
- Current - Input Bias:
- 10 pA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 32mA
- Current - Output / Channel:
- 70 mA
- Voltage - Supply Span (Min):
- 7 V
- Voltage - Supply Span (Max):
- 13 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
OPA653IDBVR FAQ
1.How can I place an order for OPA653IDBVR through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA653IDBVR 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 OPA653IDBVR reliable?
The price and inventory of OPA653IDBVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA653IDBVR is usually 5 days.
3.What payment methods are accepted for OPA653IDBVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA653IDBVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA653IDBVR?
OPA653IDBVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA653IDBVR 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 OPA653IDBVR?
For technical support, including OPA653IDBVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA653IDBVR requirements.
6.How does Aetrix verify that OPA653IDBVR is sourced from the original manufacturer or authorized distributors?
All OPA653IDBVR 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 OPA653IDBVR meets industry standards.
7.What is the process for return or replacement of OPA653IDBVR?
All OPA653IDBVR units undergo pre-shipment inspection (PSI). If there is an issue with OPA653IDBVR, 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 OPA653IDBVR part is unused and in its original packaging.
Return procedure for OPA653IDBVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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