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Texas Instruments OPA358AIDCKR
- Part No.:
- OPA358AIDCKR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
OPA358AIDCKR.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SC70-6
- Quantity:
- Payment:
- Shipping:
Inventory:11,487
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Product details
Overview
OPA358AIDCKR from Texas Instruments is a single-channel, 80MHz rail-to-rail output operational amplifier optimized for 2.7V–3.3V single-supply video signal conditioning. It delivers 55V/µs slew rate, 0.3% differential gain error, and 0.7° differential phase error at 150Ω load - enabling high-fidelity analog video buffering in digital still cameras and camera phones.
For engineers reviewing the OPA358AIDCKR datasheet, OPA358AIDCKR pinout, OPA358AIDCKR application, or OPA358AIDCKR equivalent, this page provides verified technical context, SC70-6 package mapping, shutdown timing (1.5µs enable / 50ns disable), rail-to-rail output swing to within 5mV of GND, and real-world video performance metrics per PAL standards.
Technical Context
The OPA358AIDCKR employs a CMOS input stage with 0.3pA typical input bias current and 6.4nV/√Hz input voltage noise density at 1MHz, supporting low-noise transimpedance amplification. Its class AB output stage achieves rail-to-rail swing - delivering 5mV minimum output voltage above GND with 150Ω load to ground.
It integrates an active enable/shutdown function referenced to GND: logic HIGH ≥1.6V enables operation (5.2mA quiescent current); logic LOW ≤0.8V disables it (<5µA shutdown current). The device is internally protected with ESD diodes (4000V HBM) and operates across −40°C to +85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 80MHz gain-bandwidth product - supports stable unity-gain video amplification up to 25MHz 0.5dB gain flatness. |
| Slew Rate | 55V/µs - ensures minimal distortion on fast video transitions like sync pulses and multiburst edges. |
| Output Swing | Within 5mV of GND with 150Ω load to ground - enables DC-coupled video output without AC-blocking capacitors. |
| Supply Range | +2.7V to +3.3V (fully specified); +2.5V to +3.6V (operating range) - matches Li-ion battery and low-voltage SoC I/O domains. |
| Differential Error | 0.3% gain error and 0.7° phase error (PAL, 150Ω) - meets broadcast-grade video fidelity requirements. |
| Quiescent Current | 5.2mA enabled / <5µA shutdown - reduces power by >1000× during idle periods in portable imaging systems. |
| Input Range | Includes GND and extends to within 1V of V+ - allows direct interfacing with ground-referenced video DACs and sensors. |
Pinout & Package
OPA358AIDCKR is housed in a 6-pin SC70-6 (DCK) package measuring 2.15mm × 1.85mm × 1.1mm (max height), compatible with standard SMT reflow profiles (MSL Level-1, 260°C peak).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Enable) | Shutdown control input | Active-HIGH logic interface; internal pull-up enables default operation if left floating. |
| 2 (−In) | Inverting input | High-impedance CMOS node (10¹³Ω || 1.5pF); accepts signals from −0.1V to (V+)−1.0V. |
| 3 (+In) | Non-inverting input | Matches −In in impedance and common-mode range; used for unity-gain buffer or non-inverting gain stages. |
| 4 (GND) | Analog ground reference | Reference for Enable threshold and input common-mode range; must be low-impedance for video stability. |
| 5 (Out) | Rail-to-rail output | Drives 150Ω loads to within 5mV of GND; enters high-Z state when disabled. |
| 6 (V+) | Positive supply | Accepts +2.7V to +3.3V; requires 100nF ceramic bypass capacitor near pin. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Swings to within 5mV of GND with 150Ω load - eliminates need for output coupling capacitors in DC-coupled video paths. |
| Video-optimized performance | 0.3% differential gain / 0.7° differential phase error at 150Ω - preserves color fidelity in PAL/NTSC video chains. |
| Ultra-low shutdown current | <5µA shutdown quiescent current - extends battery life in intermittent-use imaging devices like DSCs and camera phones. |
| Fast enable/disable timing | 1.5µs enable time and 50ns disable time - supports seamless multiplexing of multiple video sources onto one bus. |
| Single-supply operation | Specified from +2.7V to +3.3V - aligns with 3.3V LDO outputs and battery voltage sag in portable electronics. |
Applications
| Digital Still Cameras | Camera Phones |
|---|---|
Use Scenario: Buffering analog RGB/YUV output from image sensor or video encoder before transmission to display or TV-out circuitry. IC Role / Device Role / Timing Role: High-speed video driver with DC-coupled output capability and sag correction support. Use Value: Eliminates 220µF AC-coupling capacitors, reducing PCB area by >70% while maintaining field tilt-free video output. |
Use Scenario: Driving composite video (CVBS) signal from baseband processor to external monitor or recording module. IC Role / Device Role / Timing Role: Gain-of-2 video amplifier with integrated shutdown for power gating during standby. Use Value: Reduces system standby power by >99% via sub-5µA shutdown current without compromising wake-up latency. |
| Digital Video Cameras | Optical Power Monitoring |
Use Scenario: Amplifying analog video output from HD sensor pipelines with minimal group delay distortion. IC Role / Device Role / Timing Role: Low-phase-error buffer ensuring accurate chrominance/luminance timing alignment. Use Value: Maintains 0.7° differential phase error across full video bandwidth - prevents color smearing at object edges. |
Use Scenario: Transimpedance amplification of photodiode current in optical transceivers or fiber monitoring modules. IC Role / Device Role / Timing Role: Wideband TIA with 80MHz GBW and 0.3pA input bias current for low-light detection. Use Value: Enables >10MHz closed-loop bandwidth with 10MΩ feedback resistor and sub-pF photodiode capacitance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed video amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA360 | G = 2 fixed gain, integrated filter and sag correction; no shutdown pin; 100MHz GBW | Designed specifically for set-top box video filtering; lacks enable control for dynamic power management | Choose OPA360 only when fixed gain and built-in filtering are required and shutdown functionality is unnecessary. |
| OPA357 | 200MHz GBW, 110V/µs slew rate, same SC70-6 package; no shutdown; higher quiescent current (8.5mA) | Better suited for wideband RF or high-resolution ADC driving where speed outweighs power constraints | Select OPA357 when bandwidth >100MHz is critical and sub-5µA shutdown is not needed. |
Compared with OPA358AIDCKR, OPA360 offers integrated video-specific features but sacrifices programmability and power control, while OPA357 trades off 3× higher quiescent current for double the bandwidth - making OPA358AIDCKR optimal for battery-powered video systems requiring both fidelity and ultra-low-power shutdown.
Availability
OPA358AIDCKR is available at Aetrix Electronics and suitable for digital still cameras, camera phones, and optical power monitoring systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for OPA358AIDCKR 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 over 50 years of innovation in precision amplifiers and signal chain solutions.
The OPA358AIDCKR belongs to TI's high-speed precision op amp portfolio, designed specifically for low-voltage, high-fidelity video signal conditioning in portable and battery-operated imaging equipment.
FAQ
What is the maximum operating supply voltage for OPA358AIDCKR?
The absolute maximum supply voltage for OPA358AIDCKR is +3.6V. It is fully specified across +2.7V to +3.3V, with functional operation supported from +2.5V to +3.6V. Exceeding +3.6V risks permanent damage per the Absolute Maximum Ratings table in the official datasheet.
Does OPA358AIDCKR support true rail-to-rail input?
OPA358AIDCKR does not support rail-to-rail input - its input common-mode range extends from (V−) − 0.1V to (V+) − 1.0V. This includes ground but stops 1V below V+, limiting use with full-rail input signals unless V+ is raised accordingly.
Can OPA358AIDCKR drive a 75Ω video load directly?
Yes, OPA358AIDCKR is characterized driving 150Ω loads to within 5mV of GND, and its output can deliver ±50mA into loads near the rails. For 75Ω, output swing degrades slightly (to ~100mV from GND), but remains within specification for standard CVBS video levels when configured in gain-of-2.
What is the thermal resistance (θJA) of OPA358AIDCKR in SC70-6 package?
The junction-to-ambient thermal resistance (θJA) for OPA358AIDCKR in the SC70-6 (DCK) package is 250°C/W, as specified in the Electrical Characteristics table. This value assumes standard JEDEC 2-layer board conditions and must be derated for compact layouts or poor copper coverage.
Is OPA358AIDCKR pin-compatible with other SC70-6 op amps like OPA355 or OPA357?
No, OPA358AIDCKR is not pin-compatible with OPA355 or OPA357. While all three use SC70-6 packages, their pinouts differ: OPA358AIDCKR places Enable on Pin 1, whereas OPA355 and OPA357 assign Pin 1 to V+ - requiring PCB redesign for substitution.
OPA358AIDCKR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 55V/µs
- Gain Bandwidth Product:
- 80 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.3 pA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 5.2mA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 3.6 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-6
OPA358AIDCKR FAQ
1.How can I place an order for OPA358AIDCKR through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA358AIDCKR 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 OPA358AIDCKR reliable?
The price and inventory of OPA358AIDCKR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA358AIDCKR is usually 5 days.
3.What payment methods are accepted for OPA358AIDCKR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA358AIDCKR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA358AIDCKR?
OPA358AIDCKR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA358AIDCKR 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 OPA358AIDCKR?
For technical support, including OPA358AIDCKR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA358AIDCKR requirements.
6.How does Aetrix verify that OPA358AIDCKR is sourced from the original manufacturer or authorized distributors?
All OPA358AIDCKR 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 OPA358AIDCKR meets industry standards.
7.What is the process for return or replacement of OPA358AIDCKR?
All OPA358AIDCKR units undergo pre-shipment inspection (PSI). If there is an issue with OPA358AIDCKR, 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 OPA358AIDCKR part is unused and in its original packaging.
Return procedure for OPA358AIDCKR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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