Overview
The THS4222DR, produced by Texas Instruments, is a dual-channel, high-speed, low-distortion operational amplifier. This voltage feedback amplifier is designed for applications requiring high output swing, low distortion, and excellent AC performance. It operates from a single supply voltage ranging from 2.7V to 15V or dual supplies from ±1.35V to ±7.5V, making it versatile for various signal processing tasks. The THS4222DR is particularly suited for driving data converters, video switching, and other low-distortion applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Amplifier Type | Voltage Feedback | |
| Number of Circuits | 2 | |
| Output Type | Rail-to-Rail | |
| Slew Rate | 990 V/µs | V/µs |
| Gain Bandwidth Product | 120 MHz | MHz |
| -3dB Bandwidth | 230 MHz | MHz |
| Input Bias Current | 900 nA | nA |
| Input Offset Voltage | 3 mV | mV |
| Supply Current per Channel | 14 mA | mA |
| Output Current per Channel | 100 mA | mA |
| Supply Voltage Range (Single/Dual) | 2.7 V ~ 15 V, ±1.35 V ~ 7.5 V | V |
| Operating Temperature Range | -40°C ~ 85°C | °C |
| Package/Case | 8-SOIC (0.154", 3.90mm Width) | |
| Mounting Type | Surface Mount |
Key Features
- High-Speed Operation: The THS4222DR offers a high gain bandwidth product of 120 MHz and a -3dB bandwidth of 230 MHz, making it suitable for high-frequency applications.
- Low Distortion: It features low harmonic distortion (THD) at –90 dBc at 5 MHz, ensuring high signal fidelity.
- Rail-to-Rail Output: The amplifier provides rail-to-rail output swing, allowing it to drive loads efficiently across the entire supply voltage range.
- Low Power Consumption: With a quiescent current of 14 mA per channel, it is energy-efficient for battery-powered and other low-power applications.
- Power-Down Capability: The device includes power-down features that reduce current consumption to as low as 700 µA per channel, enhancing power management in systems.
- Thermal Management: The package includes a PowerPAD on the underside, which acts as a heatsink to improve thermal dissipation and reliability.
Applications
- Data Conversion: Driving data converters such as ADCs and DACs due to its high speed and low distortion.
- Video Switching: Used in video switching applications where high signal integrity is crucial.
- Audio Systems: Suitable for audio systems requiring low distortion and high fidelity.
- Medical Equipment: Applied in medical devices that need precise signal processing and low noise.
- Industrial Automation: Used in various industrial automation applications requiring reliable and high-performance signal amplification.
Q & A
- What is the typical slew rate of the THS4222DR?
The typical slew rate of the THS4222DR is 990 V/µs.
- What is the gain bandwidth product of the THS4222DR?
The gain bandwidth product of the THS4222DR is 120 MHz.
- What is the operating temperature range of the THS4222DR?
The operating temperature range of the THS4222DR is -40°C to 85°C.
- What is the typical quiescent current per channel for the THS4222DR?
The typical quiescent current per channel for the THS4222DR is 14 mA).
- Does the THS4222DR have power-down capability?
Yes, the THS4222DR includes power-down features that reduce current consumption significantly).
- What is the package type of the THS4222DR?
The THS4222DR comes in an 8-SOIC (0.154", 3.90mm Width) package).
- What are the typical input bias current and input offset voltage of the THS4222DR?
The typical input bias current is 900 nA, and the typical input offset voltage is 3 mV).
- How does the PowerPAD on the THS4222DR enhance its performance?
The PowerPAD acts as a heatsink, improving thermal dissipation and ensuring the device operates within safe temperature limits).
- What are some common applications of the THS4222DR?
The THS4222DR is commonly used in data conversion, video switching, audio systems, medical equipment, and industrial automation).
- What is the maximum output current per channel for the THS4222DR?
The maximum output current per channel for the THS4222DR is 100 mA).
