Overview
The OPA361AIDCKTG4, produced by Texas Instruments, is a high-speed video amplifier optimized for 3V portable video applications. It is specifically designed to be compatible with video encoders embedded in Texas Instruments’ OMAP2420 and DaVinci processors, as well as other application processors with 0.5VPP video output. This amplifier is tailored for space-sensitive applications, integrating internal gain setting resistors and a 2-pole video-DAC reconstruction filter, making it ideal for camera phones and other portable video devices.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage | V+ to V− | - | - | 3.6V | V |
| Input Voltage Range | VS = 2.5V to 3.3V | GND | - | 0.55V | V |
| Internal Gain | - | - | 5.2V/V | - | V/V |
| Quiescent Current | - | - | 5.3mA | - | mA |
| Shutdown Current | - | - | 1.5µA | - | µA |
| Operating Temperature | - | -40°C | - | 125°C | °C |
| Package | - | - | SC70-6 (2mm x 2.1mm) | - | - |
Key Features
- Excellent Video Performance: Optimized for high-quality video transmission.
- Internal Gain: Integrated gain setting resistors (G = 5.2V/V) reduce the need for external components.
- TV-Detection Support: Simplifies the end-user interface by automating the start/stop of video transmission.
- 2-Pole Reconstruction Filter: For DAC signal reconstruction.
- DC-Coupled Input and Output: Allows for direct connection to video-DACs without the need for output capacitors.
- Rail-to-Rail Output: Output swings within 5mV of GND and 250mV to V+.
- Low Quiescent Current: 5.3mA, reducing power consumption.
- Shutdown Feature: Reduces quiescent current to less than 1.5µA, prolonging battery life.
- Single-Supply Operation: 2.5V to 3.3V.
- RoHS Compliant: Environmentally friendly packaging.
Applications
The OPA361AIDCKTG4 is primarily used in portable video applications, including:
- Camera Phones
- Other portable video devices compatible with OMAP2420 and DaVinci processors.
The TV-detection feature and internal level shift circuit make it particularly suitable for applications requiring automatic start/stop of video transmission and minimizing power consumption.
Q & A
- What is the primary application of the OPA361AIDCKTG4?
The OPA361AIDCKTG4 is primarily used in portable video applications, such as camera phones and other devices compatible with OMAP2420 and DaVinci processors. - What is the internal gain of the OPA361AIDCKTG4?
The internal gain of the OPA361AIDCKTG4 is 5.2V/V. - What is the quiescent current of the OPA361AIDCKTG4 in normal operation?
The quiescent current is 5.3mA. - How much current does the OPA361AIDCKTG4 consume in shutdown mode?
The shutdown current is less than 1.5µA. - What is the operating voltage range of the OPA361AIDCKTG4?
The operating voltage range is from 2.5V to 3.3V. - What type of package is the OPA361AIDCKTG4 available in?
The OPA361AIDCKTG4 is available in the SC70-6 package, measuring 2mm x 2.1mm. - Does the OPA361AIDCKTG4 support TV-detection?
Yes, it supports TV-detection, which simplifies the end-user interface by automating the start/stop of video transmission. - Is the OPA361AIDCKTG4 RoHS compliant?
Yes, the OPA361AIDCKTG4 is RoHS compliant. - What is the input voltage range of the OPA361AIDCKTG4?
The input voltage range extends from GND to 0.55V on a 3.3V supply. - Does the OPA361AIDCKTG4 require external output capacitors?
No, the OPA361AIDCKTG4 has an internal level shift circuit that prevents output saturation, eliminating the need for external output capacitors.
