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Texas Instruments OPA4354AIDR
- Part No.:
- OPA4354AIDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA4354AIDR.pdf
- Description:
- IC CMOS 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:9,099
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Product details
Overview
OPA4354AIDR 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 drive per channel, and operates from 2.5 V to 5.5 V supply. It is used in RGB video line drivers and A/D converter input buffers where wide dynamic range and low distortion are critical.
For engineers reviewing the OPA4354AIDR datasheet, OPA4354AIDR pinout, OPA4354AIDR application, or OPA4354AIDR equivalent, key selection criteria include guaranteed rail-to-rail I/O swing within 100 mV of rails at 1 kΩ load, −40°C to +125°C extended temperature operation, channel-to-channel crosstalk of −84 dB at 5 MHz, and SOIC-14 package compatibility with standard PCB assembly processes.
Technical Context
The OPA4354AIDR employs a complementary CMOS input stage enabling rail-to-rail common-mode input range (extending 100 mV beyond supplies) and a Class AB output stage supporting rail-to-rail output swing. Its unity-gain stability and 100-MHz gain-bandwidth product support high-fidelity signal amplification without external compensation.
Each of the four independent amplifiers features thermal shutdown activation at 160°C and reset at 140°C, low 3 pA typical input bias current, and differential gain/phase error of 0.02% / 0.09° under NTSC video conditions - confirming suitability for broadcast-grade analog video interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | 250 MHz - enables stable unity-gain buffer configurations for high-frequency signals up to video bandwidths. |
| Slew Rate | 150 V/µs - supports clean 2-V step response in ≤11 ns with <0.1% settling in 30 ns, critical for fast pulse and video edge fidelity. |
| Input Voltage Noise | 6.5 nV/√Hz at 1 MHz - ensures minimal added noise in low-level signal paths such as photodiode transimpedance amps. |
| Output Current (per channel) | ±100 mA - drives 75-Ω back-terminated video cables or multiple parallel loads without external buffering. |
| Supply Voltage Range | 2.5 V to 5.5 V - supports single-supply operation in portable and industrial systems with tight power budget constraints. |
| Channel Crosstalk | −84 dB at 5 MHz - guarantees isolation between channels in multi-signal acquisition systems like RGB video or multi-channel data converters. |
| Operating Temperature | −40°C to +125°C - qualified for automotive front-end modules, industrial PLC analog I/O, and harsh-environment embedded control. |
Pinout & Package
OPA4354AIDR is packaged in a 14-pin SOIC (D package) with body size 8.65 mm × 3.91 mm. The exposed pad is not present - this is a standard SOIC, not PowerPAD.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - connects directly to load; capable of ±100 mA drive into 1 kΩ with 100-mV rail margin. |
| 2 | –IN A | Inverting input, channel A - forms feedback node in inverting configurations; matched to +IN A for precision gain setting. |
| 3 | +IN A | Noninverting input, channel A - accepts rail-to-rail common-mode signals from −0.1 V to V+ + 0.1 V. |
| 4 | V+ | Positive supply - must be decoupled locally with ≥0.1 µF ceramic capacitor to ground for high-frequency stability. |
| 5 | +IN B | Noninverting input, channel B - electrically isolated from channel A; no shared internal nodes. |
| 6 | –IN B | Inverting input, channel B - independent bias network; input offset voltage drift ±4 µV/°C applies per channel. |
| 7 | OUT B | Amplifier B output - identical performance to OUT A; supports simultaneous dual-channel video or sensor signal processing. |
| 8 | OUT C | Amplifier C output - fully independent; enables three-channel applications (e.g., RGB) without inter-channel coupling. |
| 9 | –IN C | Inverting input, channel C - pin-compatible with industry-standard quad op amp layouts for drop-in replacement evaluation. |
| 10 | +IN C | Noninverting input, channel C - supports DC-coupled sensor interfaces requiring full rail-to-rail input range. |
| 11 | V− | Negative supply - referenced to system ground in single-supply mode; must be stable and low-impedance. |
| 12 | +IN D | Noninverting input, channel D - enables fourth independent signal path; validated for 125°C operation per channel. |
| 13 | –IN D | Inverting input, channel D - matched input capacitance (2 pF typical) ensures consistent frequency response across all channels. |
| 14 | OUT D | Amplifier D output - delivers same 250-MHz bandwidth and 150 V/µs slew rate as other channels; verified in production test. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Input common-mode range extends 100 mV beyond V− and V+; output swings to within 100 mV of both rails at 1 kΩ load - preserves full signal dynamic range in single-supply systems. |
| Quad-channel independence | No shared bias or output circuitry; channel-to-channel crosstalk measured at −84 dB (5 MHz) - eliminates interference in multi-signal acquisition. |
| Video-optimized performance | Differential gain error 0.02% and phase error 0.09° into 150 Ω - meets NTSC/PAL broadcast standards for composite video amplification. |
| Thermal protection | Integrated thermal shutdown activates at 160°C junction temperature and resets at 140°C - prevents permanent damage during overload or poor heatsinking. |
| Low quiescent current | 4.9 mA per channel at 5 V supply - enables four-channel amplification in power-constrained designs without excessive self-heating. |
| High-speed settling | 30 ns to 0.1% for 2-V step - ensures accurate sampling in high-throughput ADC driver applications such as imaging and radar front ends. |
Applications
| RGB Video Line Driver | Photodiode Transimpedance Amplifier |
|---|---|
|
Use Scenario: Driving red, green, and blue analog video signals over 75-Ω coaxial cables in graphic display systems. IC Role / Device Role / Timing Role: Quad OPA4354AIDR configures three channels as unity-gain video buffers with back-termination; fourth channel conditions sync or auxiliary signal. Use Value: 0.02% differential gain error and 40-MHz 0.1-dB flatness preserve color fidelity and timing integrity across full HD resolution. |
Use Scenario: Converting weak current from silicon photodiodes (e.g., in medical pulse oximetry or optical encoders) into precise voltage outputs. IC Role / Device Role / Timing Role: Single channel configured as transimpedance amplifier with feedback resistor; remaining channels condition auxiliary signals or reference voltages. Use Value: 6.5 nV/√Hz input voltage noise and 3 pA input bias current maximize SNR for sub-nA photocurrent detection. |
| A/D Converter Input Buffer | High-Speed Active Filter |
|
Use Scenario: Buffering analog sensor outputs before sampling by 12-bit SAR ADCs (e.g., ADS7816) in industrial data acquisition modules. IC Role / Device Role / Timing Role: One channel provides low-impedance, rail-to-rail drive to ADC input; others handle anti-aliasing or reference buffering. Use Value: 150 V/µs slew rate and 30 ns 0.1% settling ensure accurate capture of fast transient events without aperture error. |
Use Scenario: Implementing 4th-order Butterworth or Chebyshev filters in ultrasound receive chains or optical network equalization circuits. IC Role / Device Role / Timing Role: All four channels used in cascaded biquad topology; each stage contributes defined pole/zero placement with minimal interaction. Use Value: 250-MHz unity-gain bandwidth and −84 dB crosstalk maintain filter shape accuracy up to 40 MHz without channel bleed. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad 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 | Targeted at low-power precision DC/low-frequency AC; unsuitable for >10-MHz video or fast settling | Select OPA4350UA only when bandwidth <40 MHz suffices and thermal protection is unnecessary. |
| LMH6644MA | 250-MHz GBW, 190 V/µs slew, 10.5 nV/√Hz noise, no rail-to-rail input, 125°C max temp | Better slew rate but limited input range (V− +1.5 V to V+ −1.5 V); requires level-shifting for true rail-to-rail sensors | Choose LMH6644MA when higher slew rate is critical and input common-mode range can be constrained. |
Compared with OPA4354AIDR, OPA4350UA trades bandwidth and protection for ultra-low power, while LMH6644MA offers faster edges but sacrifices input flexibility - making OPA4354AIDR the balanced choice for rail-to-rail, video-grade, thermally robust quad amplification.
Availability
OPA4354AIDR is available at Aetrix Electronics and suitable for RGB video line drivers, photodiode transimpedance amplifiers, and A/D converter input buffers requiring stable component supply across automotive, industrial, and medical electronics programs.
Supply support for OPA4354AIDR 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 OPAx354 family was designed specifically for high-speed video, ultrasound, and optical networking applications demanding rail-to-rail I/O, low noise, and robust output drive - with OPA4354AIDR delivering quad-channel integration in standard SOIC packaging.
FAQ
What is the maximum continuous output current per channel of the OPA4354AIDR?
The OPA4354AIDR delivers ±100 mA continuous output current per channel into resistive loads at 5 V supply, verified across the −40°C to +125°C operating range. Peak short-circuit current reaches ~200 mA, but sustained operation above ±100 mA requires thermal derating and is not recommended per TI's reliability guidelines for the OPA4354AIDR.
Does the OPA4354AIDR support true rail-to-rail input and output operation?
Yes - the OPA4354AIDR supports rail-to-rail input with common-mode range extending 100 mV beyond both V− and V+, and rail-to-rail output with swing to within 100 mV of both rails at 1 kΩ load. This is achieved via complementary CMOS input pairs and a Class AB output stage, confirmed in the OPA4354AIDR electrical characteristics table and functional description.
What is the channel-to-channel crosstalk specification for the OPA4354AIDR?
The OPA4354AIDR exhibits −84 dB channel-to-channel crosstalk at 5 MHz, as specified in the "Output" section of the datasheet. This value reflects worst-case coupling between any two channels under small-signal conditions and confirms full electrical isolation required for multi-channel video, sensor, or data acquisition systems using the OPA4354AIDR.
Can the OPA4354AIDR operate from a 3.3-V single supply?
Yes - the OPA4354AIDR is fully specified from 2.5 V to 5.5 V single supply (or ±1.25 V to ±2.75 V dual supply). At 3.3 V, it maintains 250-MHz unity-gain bandwidth, 110 V/µs slew rate, and rail-to-rail I/O functionality, with quiescent current reduced to ~4.2 mA per channel - making the OPA4354AIDR suitable for modern low-voltage embedded systems.
Is thermal shutdown included in the OPA4354AIDR?
Yes - the OPA4354AIDR integrates thermal shutdown that disables all four amplifiers when junction temperature exceeds 160°C. Operation resumes automatically once junction temperature falls below 140°C. This protection is active across the full −40°C to +125°C ambient range and is documented in the "Thermal Shutdown" section of the OPA4354AIDR datasheet.
OPA4354AIDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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
OPA4354AIDR FAQ
1.How can I place an order for OPA4354AIDR through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA4354AIDR 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 OPA4354AIDR reliable?
The price and inventory of OPA4354AIDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA4354AIDR is usually 5 days.
3.What payment methods are accepted for OPA4354AIDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA4354AIDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA4354AIDR?
OPA4354AIDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA4354AIDR 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 OPA4354AIDR?
For technical support, including OPA4354AIDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA4354AIDR requirements.
6.How does Aetrix verify that OPA4354AIDR is sourced from the original manufacturer or authorized distributors?
All OPA4354AIDR 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 OPA4354AIDR meets industry standards.
7.What is the process for return or replacement of OPA4354AIDR?
All OPA4354AIDR units undergo pre-shipment inspection (PSI). If there is an issue with OPA4354AIDR, 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 OPA4354AIDR part is unused and in its original packaging.
Return procedure for OPA4354AIDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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