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Texas Instruments OPA2652U/2K5G4
- Part No.:
- OPA2652U/2K5G4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA2652U/2K5G4.pdf
- Description:
- IC VOLTAGE FEEDBACK 2 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,766
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Product details
Overview
OPA2652U/2K5G4 from Texas Instruments is a dual, low-cost, wideband voltage-feedback operational amplifier optimized for ±5V supplies and single-supply operation from +6V to +12V. It delivers 700MHz unity-gain bandwidth, 335V/µs slew rate, 140mA output current per channel, and 0.05%/0.03° differential gain/phase error-enabling high-fidelity differential ADC driving (e.g., ADS807) and studio-grade video line driving.
For engineers reviewing the OPA2652U/2K5G4 datasheet, OPA2652U/2K5G4 pinout, OPA2652U/2K5G4 application, or OPA2652U/2K5G4 equivalent, key selection criteria include its SO-8 package, ±3V to ±6V supply range, 5.5mA/channel quiescent current, and verified performance in active filters, pulse delay circuits, and consumer video signal conditioning.
Technical Context
The OPA2652U/2K5G4 employs classical voltage-feedback architecture with fully symmetrical differential inputs, enabling precise DC accuracy (±1.5mV offset, ±5µV/°C drift) and minimal even-order distortion in differential configurations. Its internal unity-gain compensation ensures stability without external components across gains ≥+1.
It supports both noninverting (700MHz at G=+1) and inverting (200MHz at G=–1) topologies, with noise gain determining bandwidth rather than signal gain-making it suitable for high-speed active filters, transimpedance amplifiers, and A/D driver stages where phase linearity and flat group delay are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-Signal Bandwidth | 700MHz at G=+1 - enables direct buffering of >300MHz baseband signals without peaking |
| Slew Rate | 335V/µs - supports clean 4VPP step response with ≤10ns rise/fall time |
| Output Current | ±140mA per channel - drives 50Ω loads to ±2.5V while maintaining linearity |
| Input Offset Voltage | ±1.5mV max - ensures <0.1% gain error in precision gain stages |
| Supply Voltage Range | ±3V to ±6V - compatible with legacy ±5V systems and newer low-voltage rails |
| Differential Gain/Phase | 0.05%/0.03° at NTSC - meets broadcast video fidelity requirements |
| Quiescent Current | 5.5mA per channel - balances speed and power in dual-channel space-constrained designs |
Pinout & Package
OPA2652U/2K5G4 is housed in an SO-8 (D package) surface-mount package with exposed pad thermal enhancement. Pin 1 is marked with a dot; top-view pin numbering follows standard SOIC convention.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | +In B | Noninverting input of Channel B - matched impedance path for differential pair termination |
| 2 | –In B | Inverting input of Channel B - forms feedback node with RF/RG network |
| 3 | Out B | Output of Channel B - directly interfaces with ADC inputs or 75Ω video loads |
| 4 | –VS | Negative supply rail - requires local 0.1µF decoupling between +VS and –VS pins |
| 5 | –VS | Shared negative supply - ties to system ground plane via low-inductance path |
| 6 | Out A | Output of Channel A - independent drive capability for dual-path signal conditioning |
| 7 | –In A | Inverting input of Channel A - configured for inverting gain or active filter topology |
| 8 | +In A | Noninverting input of Channel A - used for unity-gain buffer or reference biasing |
Key Features
| Feature | Design Value |
|---|---|
| Unity-gain stable voltage feedback | Eliminates need for external compensation in G≥+1 circuits, reducing BOM count and layout sensitivity |
| 700MHz small-signal bandwidth | Supports full-power bandwidth for 12-bit ADCs sampling up to 53MHz (e.g., ADS807) |
| Low dG/dφ (0.05%/0.03°) | Preserves color fidelity in composite video applications without post-correction circuitry |
| 140mA output drive | Drives 50Ω transmission lines directly, avoiding external buffers in high-speed data paths |
| SO-8 thermal resistance (θJA = 125°C/W) | Enables sustained 1W total dissipation under forced-air cooling in compact PCB layouts |
Applications
| ADC Driver | Video Line Driver |
|---|---|
Use Scenario: Driving differential inputs of 12-bit, 53MHz ADCs like ADS807 with AC-coupled outputs and matched source termination. IC Role / Device Role / Timing Role: Dual-channel wideband buffer providing gain-of-two differential signal conditioning with sub-1ps skew between channels. Use Value: Enables >70dB SFDR at 5MHz input while maintaining 0.05% differential gain accuracy across NTSC/PAL bands. | Use Scenario: Transmitting composite video signals over 75Ω coaxial cable in studio monitors and broadcast equipment. IC Role / Device Role / Timing Role: High-slew-rate line driver delivering 1VPP into 75Ω with minimal group delay variation across 0–10MHz. Use Value: Achieves broadcast-grade dG/dφ compliance without external passive equalization or calibration. |
| Active Filter | Pulse Delay Circuit |
Use Scenario: Implementing sixth-order bandpass filters (e.g., 450kHz–11MHz passband) in spectrum analyzers and RF test equipment. IC Role / Device Role / Timing Role: Dual op-amp core for cascaded Sallen-Key and double-pole sections with precise pole-zero placement. Use Value: Delivers 0.3dB ripple and –23dB stopband rejection using only 0.1% resistors and 5% capacitors. | Use Scenario: Generating precise, temperature-stable time delays (e.g., 2RC × n) in digital timing alignment and clock deskew circuits. IC Role / Device Role / Timing Role: Dual all-pass stage providing linear-phase delay with constant +1 gain and <0.5° phase deviation over 10MHz. Use Value: Enables sub-nanosecond delay resolution with no gain droop or overshoot in high-speed logic interfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wideband op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2650 | Lower 500MHz G=+1 bandwidth; same SO-8 package and ±5V operation | Reduced large-signal bandwidth limits use in >40MHz ADC drivers | Select when cost sensitivity outweighs need for 700MHz buffer capability |
| AD8056ARZ | Higher 300mA output drive but 1100V/µs slew rate; requires external compensation above G=+2 | Superior drive strength for 25Ω loads, but less stable in unity-gain video buffers | Prefer for high-current line driving where phase margin >60° is enforced by layout |
Compared with OPA2652U/2K5G4, OPA2650 trades 200MHz bandwidth for lower cost in moderate-speed filters, while AD8056ARZ offers higher output current at the expense of stricter stability management-making OPA2652U/2K5G4 optimal for balanced speed, fidelity, and ease of use in dual-channel ADC and video systems.
Availability
OPA2652U/2K5G4 is available at Aetrix Electronics and suitable for high-speed data acquisition, broadcast video infrastructure, and precision active filtering requiring stable component supply across industrial temperature ranges (–40°C to +85°C).
Supply support for OPA2652U/2K5G4 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 OPA2652U/2K5G4 belongs to TI's OPAx65x family of wideband voltage-feedback op amps, designed specifically for cost-sensitive, high-fidelity applications including ADC driving, video signal conditioning, and active filter implementation.
FAQ
What is the maximum operating supply voltage for the OPA2652U/2K5G4?
The OPA2652U/2K5G4 has a maximum specified operating supply voltage of ±6V. Absolute maximum ratings allow ±6.5V, but operation beyond ±6V risks parametric shift and reduced reliability. At ±6V, the device maintains full 140mA output drive and 700MHz bandwidth, making it suitable for upgraded legacy ±5V systems requiring headroom.
Does the OPA2652U/2K5G4 require external compensation for unity-gain stability?
No, the OPA2652U/2K5G4 is internally compensated for unity-gain stability. It achieves flat frequency response with 0dB peaking at G=+1, eliminating the need for external compensation networks. This simplifies design in buffer and gain-of-two configurations, especially in differential ADC driver circuits where phase matching between channels is critical.
Can the OPA2652U/2K5G4 drive a 50Ω load effectively?
Yes, the OPA2652U/2K5G4 delivers ±140mA per channel and sustains ±2.5V output swing into 100Ω and ±2.2V into 50Ω loads at ±5V supplies. Its 0.06Ω closed-loop output impedance ensures minimal gain loss and distortion when driving 50Ω transmission lines-verified in TI's Figure 22 and application circuits like the ADS807 interface.
What is the thermal resistance (θJA) of the OPA2652U/2K5G4 in its SO-8 package?
The OPA2652U/2K5G4 in SO-8 (D package) has a typical junction-to-ambient thermal resistance (θJA) of 125°C/W. This value assumes standard JEDEC 2-layer board conditions. With proper copper pour and thermal vias under the exposed pad, actual θJA can improve to ~90°C/W, supporting continuous 1W total dissipation without exceeding +125°C junction temperature.
How does the OPA2652U/2K5G4 perform in differential gain and phase for video applications?
The OPA2652U/2K5G4 achieves 0.05% differential gain error and 0.03° differential phase error under NTSC conditions with 150Ω load-meeting broadcast video specifications. This performance is enabled by ultra-low distortion (66dB SFDR), symmetric input architecture, and optimized internal biasing, making it suitable for professional video line drivers without external correction circuitry.
OPA2652U/2K5G4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- SpeedPlus™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 335V/µs
- Gain Bandwidth Product:
- 200 MHz
- -3db Bandwidth:
- 700 MHz
- Current - Input Bias:
- 4 µA
- Voltage - Input Offset:
- 1.5 mV
- Current - Supply:
- 11mA (x2 Channels)
- Current - Output / Channel:
- 140 mA
- Voltage - Supply Span (Min):
- 6 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
OPA2652U/2K5G4 FAQ
1.How can I place an order for OPA2652U/2K5G4 through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2652U/2K5G4 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 OPA2652U/2K5G4 reliable?
The price and inventory of OPA2652U/2K5G4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2652U/2K5G4 is usually 5 days.
3.What payment methods are accepted for OPA2652U/2K5G4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2652U/2K5G4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2652U/2K5G4?
OPA2652U/2K5G4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2652U/2K5G4 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 OPA2652U/2K5G4?
For technical support, including OPA2652U/2K5G4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2652U/2K5G4 requirements.
6.How does Aetrix verify that OPA2652U/2K5G4 is sourced from the original manufacturer or authorized distributors?
All OPA2652U/2K5G4 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 OPA2652U/2K5G4 meets industry standards.
7.What is the process for return or replacement of OPA2652U/2K5G4?
All OPA2652U/2K5G4 units undergo pre-shipment inspection (PSI). If there is an issue with OPA2652U/2K5G4, 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 OPA2652U/2K5G4 part is unused and in its original packaging.
Return procedure for OPA2652U/2K5G4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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