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Texas Instruments OPA2354AIDGKT
- Part No.:
- OPA2354AIDGKT
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
OPA2354AIDGKT.pdf
- Description:
- IC OPAMP VFB 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:12,007
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Product details
Overview
OPA2354AIDGKT from Texas Instruments is a dual-channel, rail-to-rail input/output, 250-MHz unity-gain stable CMOS operational amplifier optimized for high-speed video, photodiode transimpedance, and A/D converter buffering. It delivers 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 wide bandwidth and low distortion are critical.
For engineers reviewing the OPA2354AIDGKT datasheet, OPA2354AIDGKT pinout, OPA2354AIDGKT application, or OPA2354AIDGKT equivalent, this page provides verified specifications, VSSOP-8 package details, channel-isolated dual-amplifier architecture, thermal shutdown behavior, and real-world design values for video gain flatness (40 MHz @ 0.1 dB), differential phase (0.09°), and crosstalk (–100 dB @ 5 MHz).
Technical Context
The OPA2354AIDGKT employs a complementary rail-to-rail input stage with N- and P-channel differential pairs enabling common-mode operation 100 mV beyond both supply rails. Its class AB output stage supports 100-mV-from-rail swing into 1-kΩ loads and ±100 mA continuous output current per channel.
It features on-chip thermal shutdown activating at 160°C junction temperature with automatic recovery at 140°C. Channel-to-channel crosstalk is –100 dB at 5 MHz, confirming full isolation between amplifiers - critical for dual-channel signal paths requiring independent gain control and minimal interference.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | 250 MHz - enables stable unity-gain configurations for video buffers and active filters without external compensation. |
| Slew Rate | 150 V/µs - supports clean 2-V step response in ≤11 ns (10%–90%), essential for fast pulse and video signal fidelity. |
| Input Voltage Noise | 6.5 nV/√Hz at 1 MHz - minimizes added noise in photodiode transimpedance amps and low-level analog front-ends. |
| Output Current | ±100 mA per channel - drives 75-Ω back-terminated video cables or laser diodes directly without external boost stages. |
| Supply Range | 2.5 V to 5.5 V - compatible with single-supply 3.3-V and 5-V systems, including portable ultrasound and optical networking gear. |
| Differential Phase Error | 0.09° (NTSC, RL = 150 Ω) - meets broadcast-grade video timing accuracy requirements for RGB and composite signals. |
| Channel Crosstalk | –100 dB at 5 MHz - ensures signal integrity in dual-path applications like stereo audio preamps or dual ADC inputs. |
Pinout & Package
The OPA2354AIDGKT is housed in an 8-pin VSSOP (DGK) package measuring 3.00 mm × 3.00 mm with exposed thermal pad. This thermally enhanced surface-mount package supports high-power-density layouts and requires PCB copper pour under the PowerPAD™ for optimal junction-to-board thermal resistance (20.7°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - connects directly to load; capable of ±100 mA drive and rail-to-rail swing. |
| 2 | –IN A | Inverting input, channel A - forms feedback node in inverting configurations; high-impedance CMOS input (3 pA bias). |
| 3 | +IN A | Noninverting input, channel A - accepts rail-to-rail common-mode signals up to (V+) + 0.1 V and (V–) – 0.1 V. |
| 4 | V– | Negative supply terminal - must be connected to lowest system potential; PowerPAD may be tied here for thermal performance. |
| 5 | +IN B | Noninverting input, channel B - electrically isolated from channel A; identical input range and bias characteristics. |
| 6 | –IN B | Inverting input, channel B - independent of channel A; enables dual-path signal conditioning without interaction. |
| 7 | OUT B | Amplifier B output - fully symmetric to OUT A; supports simultaneous high-speed operation with < –100 dB crosstalk. |
| 8 | V+ | Positive supply terminal - accepts 2.5–5.5 V; internal regulation ensures stable bias across temperature (–40°C to +125°C). |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail I/O | Input common-mode extends 100 mV beyond supplies; output swings within 100 mV of rails into 1-kΩ - maximizes dynamic range in low-voltage systems. |
| Thermal Shutdown | Activates at 160°C junction temperature and resets at 140°C - protects against sustained overload in compact enclosures or high ambient conditions. |
| Low Input Bias Current | 3 pA typical - preserves signal integrity in high-impedance sensor interfaces (e.g., photodiodes, piezoelectrics) without significant offset drift. |
| Video Performance | Differential gain error = 0.02%, differential phase = 0.09° - satisfies NTSC/PAL broadcast standards for professional video routing and capture. |
| High Output Drive | ±100 mA per channel continuous - eliminates need for external buffer stages when driving 75-Ω cables, laser diodes, or ADC input networks. |
Applications
| RGB Video Line Driver | Ultrasound Receive Path |
|---|---|
|
Use Scenario: Driving three synchronized RGB signals over 75-Ω coaxial cables in medical imaging displays or broadcast monitors. IC Role / Device Role / Timing Role: Dual OPA2354AIDGKT channels buffer and level-shift each color path with matched gain and phase response. Use Value: 0.09° differential phase and 40 MHz 0.1-dB gain flatness preserve color fidelity and edge sharpness across full HD resolution. |
Use Scenario: Amplifying weak echo signals from piezoelectric transducers in portable ultrasound systems. IC Role / Device Role / Timing Role: OPA2354AIDGKT serves as low-noise, high-bandwidth preamplifier before variable-gain amplification and digitization. Use Value: 6.5 nV/√Hz input noise and 250-MHz bandwidth enable detection of microvolt-level echoes with sub-microsecond timing resolution. |
| Photodiode Transimpedance Amp | A/D Converter Input Buffer |
|
Use Scenario: Converting photocurrent from high-speed optical receivers (e.g., fiber-optic tunable lasers) into voltage. IC Role / Device Role / Timing Role: One channel of OPA2354AIDGKT configures as transimpedance amplifier with feedback resistor and capacitor for stability. Use Value: 150 V/µs slew rate and 250-MHz bandwidth support >100-Mbps optical data rates while maintaining linearity and low distortion. |
Use Scenario: Isolating and driving analog inputs of 12-bit SAR ADCs (e.g., ADS7816) in industrial data acquisition systems. IC Role / Device Role / Timing Role: OPA2354AIDGKT provides low-output-impedance drive (0.05 Ω closed-loop) to settle 12-bit codes within 30 ns (0.1%). Use Value: Fast settling (30 ns to 0.1%) and rail-to-rail output ensure full-scale utilization of ADC reference without missing codes. |
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 |
|---|---|---|---|
| OPA2354AIDDA | Same silicon, HSOP-8 package with larger 4.89 mm × 3.90 mm footprint and integrated PowerPAD™ for lower RθJA (40.6°C/W vs 175.9°C/W). | Better thermal performance in high-power or high-ambient environments; requires different PCB land pattern and thermal relief. | Select OPA2354AIDDA when continuous 100-mA output per channel must be sustained at TA ≥ 85°C or in enclosed enclosures. |
| OPA2355AIDGKT | 200-MHz GBW, rail-to-rail output only (not input), 120 V/µs slew rate, 7 nV/√Hz noise - lower bandwidth and noise performance than OPA2354AIDGKT. | Suitable for cost-sensitive, non-video applications where full rail-to-rail input range and 250-MHz bandwidth are not required. | Choose OPA2354AIDGKT over OPA2355AIDGKT when differential phase < 0.1°, 0.1-dB flatness to 40 MHz, or input beyond rails is mandatory. |
Compared with OPA2354AIDDA and OPA2355AIDGKT, the OPA2354AIDGKT offers the best balance of VSSOP-8 compactness, 250-MHz bandwidth, rail-to-rail I/O, and verified –100 dB crosstalk - making it optimal for space-constrained dual-channel video and medical signal chains where layout density and channel independence are critical.
Availability
OPA2354AIDGKT is available at Aetrix Electronics and suitable for video processing, ultrasound imaging, and optical networking applications requiring stable component supply, guaranteed long-term availability, and TI-authorized traceability.
Supply support for OPA2354AIDGKT 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 delivering analog and embedded processing solutions, with over 90 years of innovation in precision amplifiers, power management, and signal chain ICs.
The OPAx354 family was designed specifically for high-fidelity video, optical networking, and medical imaging systems demanding wide bandwidth, low noise, and rail-to-rail operation in compact packages.
FAQ
What is the maximum continuous output current per channel for OPA2354AIDGKT?
The OPA2354AIDGKT delivers ±100 mA continuous output current per channel when operating from a 5-V supply at TA = 25°C. Derating applies above 25°C per the thermal data: RθJA = 175.9°C/W in VSSOP-8. At 85°C ambient, max continuous output drops to ~70 mA per channel to maintain TJ < 125°C. The OPA2354AIDGKT datasheet specifies this limit under "Electrical Characteristics" Table 1, row "IO".
Does OPA2354AIDGKT support true rail-to-rail input and output?
Yes. The OPA2354AIDGKT supports rail-to-rail input: common-mode voltage range extends from (V–) – 0.1 V to (V+) + 0.1 V. Its output swings to within 100 mV of both rails into 1-kΩ loads - confirmed in Figure 20 and Figure 22 of the SBOS233G datasheet. This enables full dynamic range utilization in 3.3-V and 5-V single-supply systems.
What is the channel-to-channel crosstalk specification for OPA2354AIDGKT?
The OPA2354AIDGKT exhibits –100 dB channel-to-channel crosstalk at 5 MHz, as specified in Table 1 under "OUTPUT" section of the SBOS233G datasheet. This value reflects electrical isolation between Channel A and Channel B, ensuring independent operation in dual-path designs such as stereo audio or dual ADC buffering without signal leakage.
Can OPA2354AIDGKT drive a 75-Ω back-terminated video cable?
Yes. The OPA2354AIDGKT is explicitly characterized for 75-Ω video applications: differential gain = 0.02%, differential phase = 0.09°, and 0.1-dB gain flatness to 40 MHz (SBOS233G, Section 1, Features). Figure 32 shows its use as a single-supply video line driver with 75-Ω termination, confirming robust performance in broadcast and medical display systems.
What thermal protection does OPA2354AIDGKT include?
The OPA2354AIDGKT integrates thermal shutdown that disables output when junction temperature reaches 160°C and re-enables operation once TJ cools to 140°C. This protects against damage during sustained overload or poor heatsinking. Thermal metrics for the DGK package (RθJA = 175.9°C/W, RθJB = 97.1°C/W) are provided in Section 7.5 of SBOS233G to support safe PCB thermal design.
OPA2354AIDGKT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS, Voltage Feedback
- Number of Circuits:
- 2
- 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 (x2 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:
- 8-VSSOP
OPA2354AIDGKT FAQ
1.How can I place an order for OPA2354AIDGKT through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2354AIDGKT 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 OPA2354AIDGKT reliable?
The price and inventory of OPA2354AIDGKT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2354AIDGKT is usually 5 days.
3.What payment methods are accepted for OPA2354AIDGKT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2354AIDGKT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2354AIDGKT?
OPA2354AIDGKT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2354AIDGKT 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 OPA2354AIDGKT?
For technical support, including OPA2354AIDGKT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2354AIDGKT requirements.
6.How does Aetrix verify that OPA2354AIDGKT is sourced from the original manufacturer or authorized distributors?
All OPA2354AIDGKT 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 OPA2354AIDGKT meets industry standards.
7.What is the process for return or replacement of OPA2354AIDGKT?
All OPA2354AIDGKT units undergo pre-shipment inspection (PSI). If there is an issue with OPA2354AIDGKT, 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 OPA2354AIDGKT part is unused and in its original packaging.
Return procedure for OPA2354AIDGKT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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