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Texas Instruments OPA4354AID
- Part No.:
- OPA4354AID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA4354AID.pdf
- Description:
- IC CMOS 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,757
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Product details
Overview
OPA4354AID from Texas Instruments is a quad-channel, rail-to-rail input/output, voltage-feedback CMOS operational amplifier optimized for high-speed video, photodiode transimpedance, and precision analog signal conditioning. It delivers 250-MHz unity-gain bandwidth, 150 V/µs slew rate, 6.5 nV/√Hz input voltage noise, ±100 mA output current per channel, and operates from 2.5 V to 5.5 V supply. It is used in RGB video line drivers and ultrasound front-ends where low distortion and wide dynamic range are critical.
For engineers reviewing the OPA4354AID datasheet, OPA4354AID pinout, OPA4354AID application, or OPA4354AID equivalent, key selection criteria include guaranteed 250-MHz small-signal bandwidth at G = +1, rail-to-rail I/O swing within 100 mV of rails, differential gain/phase error of 0.02%/0.09° (NTSC), thermal shutdown at 160°C, and operation across –40°C to +125°C.
Technical Context
The OPA4354AID employs a complementary CMOS input stage enabling rail-to-rail input common-mode range extending 100 mV beyond both supply rails, with seamless transition between N- and P-channel pairs. Its class AB output stage supports ±100 mA continuous output current while maintaining >94 dB open-loop gain at 5 V supply.
It is unity-gain stable and specified for single-supply operation down to 2.5 V. Channel-to-channel crosstalk is –84 dB at 5 MHz, confirming full independence among all four amplifiers-critical for multi-channel data acquisition and video processing systems requiring minimal inter-channel interference.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | 250 MHz - enables stable G = +1 video buffer and ADC driver operation up to 100 MHz signal content |
| Slew Rate | 150 V/µs - supports clean 2-V step response in ≤11 ns without slewing distortion |
| Input Voltage Noise | 6.5 nV/√Hz at 1 MHz - preserves SNR in photodiode transimpedance and low-level sensor interfaces |
| Output Current | ±100 mA per channel - drives 75-Ω back-terminated video cables or parallel 10-Ω loads directly |
| Supply Range | 2.5 V to 5.5 V - compatible with modern low-voltage SoC domains and battery-powered imaging systems |
| Differential Gain/Phase | 0.02% / 0.09° (NTSC, RL = 150 Ω) - meets broadcast-grade video fidelity requirements |
| Operating Temperature | –40°C to +125°C - qualified for automotive ADAS camera modules and industrial vision systems |
Pinout & Package
OPA4354AID is packaged in a 14-pin SOIC (D package) with body size 8.65 mm × 3.91 mm. The PowerPAD™-free SOIC variant uses standard thermal dissipation via leads and PCB copper.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - connects directly to load; requires local 0.1-µF bypass capacitor near pin |
| 2 | –IN A | Inverting input, channel A - forms feedback node in inverting configurations; sensitive to layout parasitics |
| 3 | +IN A | Noninverting input, channel A - high-impedance node; must be guarded against noise coupling |
| 4 | V+ | Positive supply - shared by all four channels; requires low-ESR bulk + local ceramic decoupling |
| 5 | +IN B | Noninverting input, channel B - electrically isolated from channel A; no internal crosstalk path |
| 6 | –IN B | Inverting input, channel B - independent bias network; supports separate feedback networks per channel |
| 7 | OUT B | Amplifier B output - fully independent output stage; capable of simultaneous ±100 mA sourcing/sinking |
| 8 | OUT C | Amplifier C output - identical drive capability and AC performance as OUT A/B/D |
| 9 | –IN C | Inverting input, channel C - matches electrical characteristics of pins 2 and 6 across temperature and process |
| 10 | +IN C | Noninverting input, channel C - supports DC-coupled multi-channel instrumentation topologies |
| 11 | V– | Negative supply - reference for all inputs/outputs; must be low-impedance return path |
| 12 | +IN D | Noninverting input, channel D - enables 4-channel synchronous sampling or RGB+sync architectures |
| 13 | –IN D | Inverting input, channel D - supports individual gain-setting resistors per channel without interaction |
| 14 | OUT D | Amplifier D output - completes quad-channel set; validated for <–84 dB crosstalk at 5 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range | Extends 100 mV beyond V– and V+, enabling direct interfacing to 0-V referenced sensors and DACs |
| Thermal shutdown protection | Activates at 160°C junction temperature and resets at 140°C - prevents permanent damage during overload or poor heatsinking |
| Low input bias current | 3 pA typical - minimizes offset drift in high-impedance photodiode and piezoelectric sensor interfaces |
| Quiescent current per channel | 4.9 mA at 5 V - balances speed and power for portable ultrasound and handheld test equipment |
| 0.1-dB gain flatness | 40 MHz at G = +2 - ensures amplitude accuracy across HD video baseband (0–30 MHz) without equalization |
Applications
| Video Processing | Ultrasound Imaging |
|---|---|
Use Scenario: Driving RGB signals over 75-Ω coaxial cables in medical display systems and broadcast monitors. IC Role / Device Role / Timing Role: Quad-channel video line driver with independent gain control per color channel and precise differential phase matching. Use Value: 0.02% differential gain and 0.09° differential phase error preserve color fidelity and eliminate hue shifts in real-time video streams. | Use Scenario: Amplifying low-amplitude echo return signals from 5–15 MHz transducer arrays in portable ultrasound units. IC Role / Device Role / Timing Role: Low-noise, high-bandwidth transimpedance preamplifier and variable-gain amplifier (VGA) stage. Use Value: 6.5 nV/√Hz input noise and 250-MHz bandwidth enable detection of weak echoes while preserving time-of-flight resolution. |
| Photodiode Transimpedance | Analog-to-Digital Converter Interface |
Use Scenario: Converting photocurrent from high-speed optical receivers (e.g., fiber channel, LiDAR) into voltage signals. IC Role / Device Role / Timing Role: Precision transimpedance amplifier with rail-to-rail output swing and low input capacitance. Use Value: 3 pA input bias current avoids signal loss in high-resistance photodiode circuits; ±100 mA output drives ADC reference buffers directly. | Use Scenario: Buffering and level-shifting analog inputs to 12-bit SAR ADCs such as ADS7864 in industrial data loggers. IC Role / Device Role / Timing Role: Single-supply input buffer with rail-to-rail input range and fast settling (30 ns to 0.1%) for high-throughput sampling. Use Value: 150 V/µs slew rate and 250-MHz bandwidth prevent distortion on fast-rising ADC input steps; 100-mV rail margin ensures full-scale digitization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4350UA | Lower 38-MHz GBW, rail-to-rail I/O, 1.5-mA IQ, no thermal shutdown | Better for low-power, lower-bandwidth precision sensing; unsuitable for video or >50-MHz signal paths | Select when power budget <2 mA/channel and bandwidth ≤20 MHz suffices |
| LMH6629MF/NOPB | Higher 720-MHz GBW, 3000-V/µs slew, 10.5 nV/√Hz noise, ±16-V supply capable | Targeted at RF IF stages and high-end test equipment; overqualified and higher cost for video/ultrasound | Select only when >500-MHz small-signal bandwidth or >1-V/µs slew is required |
Compared with OPA4350UA, OPA4354AID delivers 6.6× higher bandwidth and integrated thermal protection but consumes ~3.3× more quiescent current. Versus LMH6629MF/NOPB, it offers lower noise and tighter video specifications at half the price and simpler supply requirements, making it optimal for cost-sensitive, high-fidelity analog front-ends.
Availability
OPA4354AID is available at Aetrix Electronics and suitable for video processing, ultrasound imaging, and photodiode transimpedance applications requiring stable component supply, extended temperature qualification, and long-term production continuity.
Supply support for OPA4354AID 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 headquartered in Dallas, Texas, designing and manufacturing analog ICs, embedded processors, and digital signal solutions for industrial, automotive, and communications markets.
The OPAx354 family was developed specifically for high-speed, rail-to-rail signal conditioning in video, medical imaging, and optical networking-emphasizing bandwidth, low distortion, and robust output drive in compact packages.
FAQ
What is the maximum continuous output current per channel for OPA4354AID?
The OPA4354AID supports ±100 mA continuous output current per channel at 5 V supply, as confirmed in Section 7.7 of the SBOS233G datasheet. This rating applies across the full –40°C to +125°C operating temperature range and is validated with thermal derating curves in Figure 22. Exceeding this current continuously may trigger thermal shutdown at 160°C junction temperature.
Does OPA4354AID support true rail-to-rail input and output operation?
Yes, OPA4354AID supports rail-to-rail input with common-mode range extending 100 mV beyond both V– and V+, and rail-to-rail output with swing within 100 mV of the rails under 1-kΩ load at 25°C. These specifications are measured and guaranteed per Section 7.7 and Figure 20–22 of the SBOS233G datasheet, enabling direct interfacing with 0-V referenced sources and low-voltage ADCs.
What is the differential gain and phase error of OPA4354AID in video applications?
OPA4354AID achieves 0.02% differential gain error and 0.09° differential phase error under NTSC conditions with 150-Ω load, as specified in Section 7.7 and validated in Figure 18 of the SBOS233G datasheet. These values meet broadcast-quality video standards and are measured at room temperature with proper 75-Ω back-termination-critical for RGB and composite video line driving.
Is OPA4354AID unity-gain stable, and what is its small-signal bandwidth at G = +1?
Yes, OPA4354AID is unity-gain stable and delivers 250 MHz small-signal bandwidth at G = +1, as stated in the Features section and verified in Figure 1 of the SBOS233G datasheet. This bandwidth is measured with 100-mVPP output into 25-Ω source resistance and remains stable with capacitive loads up to 100 pF when using recommended series resistance (Figure 14).
What package options are available for OPA4354AID, and which one is documented for the 'AID' suffix?
The 'AID' suffix denotes the 14-pin SOIC (D package) with body dimensions 8.65 mm × 3.91 mm, as explicitly listed in the Device Information table of SBOS233G. This package has no PowerPAD™ thermal enhancement and relies on lead-frame conduction and PCB copper for thermal management-distinct from the TSSOP (PW) variant which uses a different footprint and thermal profile.
OPA4354AID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 150V/µs
- Gain Bandwidth Product:
- 100 MHz
- -3db Bandwidth:
- 250 MHz
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 4.9mA (x4 Channels)
- Current - Output / Channel:
- 100 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
OPA4354AID FAQ
1.How can I place an order for OPA4354AID through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA4354AID 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 OPA4354AID reliable?
The price and inventory of OPA4354AID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA4354AID is usually 5 days.
3.What payment methods are accepted for OPA4354AID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA4354AID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA4354AID?
OPA4354AID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA4354AID 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 OPA4354AID?
For technical support, including OPA4354AID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA4354AID requirements.
6.How does Aetrix verify that OPA4354AID is sourced from the original manufacturer or authorized distributors?
All OPA4354AID 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 OPA4354AID meets industry standards.
7.What is the process for return or replacement of OPA4354AID?
All OPA4354AID units undergo pre-shipment inspection (PSI). If there is an issue with OPA4354AID, 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 OPA4354AID part is unused and in its original packaging.
Return procedure for OPA4354AID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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