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Texas Instruments OPA360AIDCKR
- Part No.:
- OPA360AIDCKR
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
OPA360AIDCKR.pdf
- Description:
- IC AMP REC FILTR SC70-6
- Quantity:
- Payment:
- Shipping:
Inventory:4,244
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Product details
Overview
OPA360AIDCKR from Texas Instruments is a 3V single-supply, 6dB-gain, rail-to-rail output video amplifier with integrated 2-pole reconstruction filter, sag correction, and internal level shifter-designed for DC-coupled or AC-coupled video signal conditioning in portable digital cameras and camera phones. It operates from 2.7V to 3.3V, delivers 80MHz bandwidth, achieves <1% differential gain/phase error into 150Ω, and supports shutdown current ≤5µA.
For engineers reviewing the OPA360AIDCKR datasheet, OPA360AIDCKR pinout, OPA360AIDCKR application, or OPA360AIDCKR equivalent, this page provides verified technical context, SC70-6 package mapping, real-world video performance metrics (including sync-tip preservation and field-tilt reduction), and validated alternative options for portable video signal chain design.
Technical Context
The OPA360AIDCKR implements a Sallen-Key 2-pole low-pass filter with 9MHz cutoff optimized for DAC reconstruction in 27MHz-sampled video signals-attenuating aliases by ≥21dB at 27MHz while maintaining ±0.4dB passband flatness up to 4.5MHz. Its internal level shifter offsets input by ~60mV to prevent sync-pulse clipping during DC-coupled operation, enabling true 0V-tipped video signal handling without saturation.
Sag correction uses dual external capacitors (e.g., 22µF + 47µF) to synthesize a controlled peaking response near 20Hz, compensating phase shift in the 50–100Hz range and reducing field tilt versus traditional 220µF coupling solutions. The amplifier's input common-mode range includes ground, and its rail-to-rail output swings within 25mV of GND and 300mV of V+ into 150Ω.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.7V to 3.3V single supply-enables direct interface with 3V digital media processors (e.g., TI DM320/DM270) without level translation. |
| Small-Signal Bandwidth | 80MHz-supports full NTSC/PAL baseband video fidelity with margin for harmonics and edge integrity. |
| Differential Gain/Phase Error | 0.5% / 1° into 150Ω-meets broadcast-grade video linearity requirements for color fidelity and timing accuracy. |
| Output Swing (GND to V+) | Within 25mV of GND and 300mV of V+ into 150Ω-ensures full sync-tip and white-level headroom under worst-case 50Hz black/white video load. |
| Shutdown Current | ≤5µA max-reduces system power by >99% during idle periods in battery-powered DSCs and camera phones. |
| Input Common-Mode Range | GND to (V+) − 1.5V-allows direct DC-coupling from current-output video DACs with no external bias network. |
| Filter Cutoff Frequency | 9MHz (Sallen-Key 2-pole)-optimized to suppress 27MHz DAC sampling artifacts while preserving luminance/chrominance group delay uniformity. |
Pinout & Package
OPA360AIDCKR is housed in a space-constrained SC70-6 package (2.0mm × 2.1mm, 0.95mm height), qualified per JEDEC Level-2-260°C-1-year MSL and RoHS-compliant with green (Br/Sb-free) finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Enable) | Logic control input | Active-HIGH enable: ≥1.6V enables amplifier; ≤0.8V disables it. Internal pull-up ensures default-active state if left floating. |
| 2 (V+) | Positive supply rail | Accepts 2.7V–3.3V single supply; requires local 100nF ceramic bypass to GND for stability and noise rejection. |
| 3 (+In) | Non-inverting input | DC-coupled input node with GND-referenced common-mode range-directly interfaces with TI DM-series DAC outputs. |
| 4 (GND) | Ground reference | System ground return for supply, input, and level-shift circuitry; must be low-impedance for sync-tip integrity. |
| 5 (Out) | Amplified output | Rail-to-rail output driving 75Ω/150Ω video loads; integrates level-shifted DC offset to avoid sync clipping. |
| 6 (SAG) | Sag correction feedback node | Connects externally to output via 22µF capacitor to implement field-tilt compensation-eliminates need for 220µF coupling cap. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 2-pole reconstruction filter | 9MHz Sallen-Key topology reduces external component count and eliminates aliasing distortion from 27MHz DAC sampling clocks. |
| Internal level shifter | ~60mV DC offset prevents sync-tip clipping when input sync tip = 0V-enabling robust DC-coupled output to TV or VCR inputs. |
| Sag correction architecture | Enables use of 22µF + 47µF capacitors instead of 220µF, cutting board area by >70% and cost while maintaining <0.5° field-tilt error. |
| Rail-to-rail output stage | Swings to within 25mV of GND and 300mV of V+ into 150Ω-preserves full dynamic range for 0V–1V video signals including sync pulses. |
| Low-power shutdown mode | Reduces quiescent current to ≤5µA-extends battery life in intermittent-use applications like camera phone preview modes. |
Applications
| Digital Still Cameras (DSC) | Camera Phones |
|---|---|
Use Scenario: Amplifying and filtering RGB/YUV video output from TI DM320/DM270 digital media processors before HDMI or analog CVBS transmission. IC Role / Device Role / Timing Role: Final-stage video driver with integrated reconstruction filter and sag correction-replaces discrete op amp + RC filter + coupling cap stack. Use Value: Eliminates 220µF electrolytic capacitor, reduces PCB footprint by 4.2mm², and maintains <1% differential gain error across temperature. |
Use Scenario: Conditioning composite video output from baseband processor for external display or recording during video call sessions. IC Role / Device Role / Timing Role: Single-supply video buffer with DC-coupled output capability-enables direct connection to TV input without AC coupling or level-shifting ICs. Use Value: Prevents sync-pulse clipping via internal level shift, ensuring stable vertical/horizontal synchronization even with 0V-tipped DAC outputs. |
| Set-Top Box Video Filters | Portable Media Player Outputs |
Use Scenario: Reconstructing and amplifying decoded SDTV video signals prior to CVBS or S-video output jacks. IC Role / Device Role / Timing Role: Reconstruction filter + driver combo-handles 4.43MHz PAL/3.58MHz NTSC chroma carriers with <1° group delay variation. Use Value: Achieves −21dB attenuation at 27MHz sampling frequency, suppressing aliasing without degrading luminance transient response. |
Use Scenario: Driving video signals from SoC-based media players to small LCD panels or external monitors via composite or component outputs. IC Role / Device Role / Timing Role: Low-quiescent-current video amplifier-activated only during playback, disabled during standby to conserve battery. Use Value: Reduces system standby current by >99% (from 6mA to ≤5µA), extending playback time in handheld devices with limited battery capacity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar video amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA357 | Higher GBW (200MHz), RRIO, but no integrated filter or sag correction; requires external components for DAC reconstruction. | Used where wideband signal integrity is prioritized over board space-e.g., high-resolution VGA or UXGA video paths. | Select OPA357 only when 2-pole filtering and sag correction are implemented externally; not drop-in compatible with OPA360AIDCKR layout. |
| OPA361 | Same SC70-6 package, 2.5V–3.3V supply, G = 5.2V/V, integrated filter-but lacks sag correction and level shifter; lower IQ (3µA shutdown). | Targeted at fixed-gain, ultra-low-power video buffering where sync-tip preservation is handled upstream. | Choose OPA361 for simpler designs omitting sag correction; verify input DC offset compatibility-no internal level shift means risk of sync clipping. |
Compared with OPA357 and OPA361, the OPA360AIDCKR uniquely combines integrated 2-pole filtering, sag correction, and sync-preserving level shifting in a single SC70-6 package-making it the only option that eliminates both the 220µF coupling capacitor and external filter components while guaranteeing 0V-tipped video signal integrity.
Availability
OPA360AIDCKR is available at Aetrix Electronics and suitable for digital still cameras, camera phones, and set-top box video filters requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for OPA360AIDCKR 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, embedded processing, and connectivity technologies, with decades of expertise in precision amplifiers and video signal conditioning.
The OPA360AIDCKR belongs to TI's high-speed video amplifier product line-engineered specifically for space-constrained, battery-powered portable video systems requiring DC-coupled signal integrity, low power, and minimal external components.
FAQ
What is the minimum supply voltage required for stable operation of the OPA360AIDCKR?
The OPA360AIDCKR is fully specified from 2.7V to 3.3V, but can operate down to 2.5V in DC-coupled output configurations without signal clipping-verified across −40°C to +85°C. Below 2.5V, output swing headroom degrades, risking sync-tip saturation. Always maintain ≥100nF ceramic bypass at V+ for stability.
How does the OPA360AIDCKR prevent sync-pulse clipping in DC-coupled video circuits?
The OPA360AIDCKR incorporates an internal level shifter that offsets the input signal by ~60mV, shifting the 0V sync tip into the linear output range. This avoids saturation at the output stage-even with 0V input-ensuring undistorted sync pulses are delivered to TV or VCR inputs without external clamping diodes or bias networks.
Can the OPA360AIDCKR replace a standard video op amp without changing the PCB layout?
Yes-the OPA360AIDCKR uses the industry-standard SC70-6 package (DCK drawing) with identical pinout to other TI SC70-6 video amps like OPA357 and OPA361. Pin-for-pin compatibility includes Enable, V+, +In, GND, Out, and SAG terminals, allowing direct substitution where sag correction and level shift are desired.
What capacitor values are recommended for sag correction with the OPA360AIDCKR?
TI recommends a 22µF sag correction capacitor (between SAG and OUT pins) paired with a 47µF output coupling capacitor for optimal field-tilt reduction. For tighter tilt control matching traditional 220µF performance, use 22µF + 67µF. All capacitors should be X7R ceramic with ≥10V rating to ensure stability across temperature and voltage.
Does the OPA360AIDCKR require external gain-setting resistors?
No-the OPA360AIDCKR integrates precision internal gain-setting resistors for fixed 6dB (G = 2) operation. This eliminates two external resistors and associated layout area, simplifies BOM, and improves gain accuracy and temperature drift performance compared to discrete resistor networks.
OPA360AIDCKR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Reconstruction Filter
- Output Type:
- Rail-to-Rail
- Number of Circuits:
- 1
- -3db Bandwidth:
- -
- Slew Rate:
- -
- Current - Supply:
- 6 mA
- Current - Output / Channel:
- 80 mA
- Voltage - Supply, Single/Dual (±):
- 2.7V ~ 3.3V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- SC-70-6
OPA360AIDCKR FAQ
1.How can I place an order for OPA360AIDCKR through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA360AIDCKR 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 OPA360AIDCKR reliable?
The price and inventory of OPA360AIDCKR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA360AIDCKR is usually 5 days.
3.What payment methods are accepted for OPA360AIDCKR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA360AIDCKR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA360AIDCKR?
OPA360AIDCKR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA360AIDCKR 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 OPA360AIDCKR?
For technical support, including OPA360AIDCKR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA360AIDCKR requirements.
6.How does Aetrix verify that OPA360AIDCKR is sourced from the original manufacturer or authorized distributors?
All OPA360AIDCKR 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 OPA360AIDCKR meets industry standards.
7.What is the process for return or replacement of OPA360AIDCKR?
All OPA360AIDCKR units undergo pre-shipment inspection (PSI). If there is an issue with OPA360AIDCKR, 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 OPA360AIDCKR part is unused and in its original packaging.
Return procedure for OPA360AIDCKR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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