Overview
The LTC6228HDC#TRMPBF is a high-speed operational amplifier from Analog Devices Inc. It is part of the LTC6228 series, known for its very fast, low noise, and rail-to-rail output characteristics. This op amp is particularly suited for applications requiring high speed, low distortion, and excellent dynamic range.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Gain-Bandwidth Product (GBW) | 890 | MHz | |||
| -3dB Frequency (AV = +1) | 730 | MHz | |||
| Slew Rate (SR) | AV = +4, 8V Output Step | 320 | 500 | 500 | V/μs |
| Input Offset Voltage (VOS) | -300 | 300 | μV | ||
| Input Offset Voltage Drift (TCVOS) | 0.4 | μV/°C | |||
| Input Noise Voltage Spectral Density | f = 1MHz | 0.88 | nV/√Hz | ||
| Harmonic Distortion (HD2/HD3) | AV = +1, 4VP-P, 2MHz, RL = 1kΩ | -100 | dBc |
Key Features
- Ultra Low Voltage Noise: 0.88 nV/√Hz, making it ideal for high precision applications.
- Low Distortion at High Speeds: HD2/HD3 < −100 dBc (AV = +1, 4V-P-P, 2 MHz, RL = 1 kΩ).
- High Slew Rate: 500 V/μs, ensuring fast response times.
- Full Power Bandwidth: 12.5 MHz with VOUT = 8V-P-P and AV = +2.
- Rail-to-Rail Output: Allows the output to swing from the negative to the positive supply rail.
- Shutdown Capability: Features a shutdown pin to reduce power consumption when not in use.
Applications
- High-Speed Data Acquisition Systems: Ideal for driving high-speed ADCs like the LTC2387-18 SAR ADC.
- Audio and Video Processing: Suitable for applications requiring low noise and high fidelity.
- Medical and Scientific Instruments: Used in precision measurement and signal processing.
- Telecommunications and Networking Equipment: For high-speed signal amplification and processing.
Q & A
- What is the gain-bandwidth product of the LTC6228?
The gain-bandwidth product (GBW) of the LTC6228 is 890 MHz.
- What is the slew rate of the LTC6228?
The slew rate (SR) of the LTC6228 is up to 500 V/μs.
- What is the input offset voltage of the LTC6228?
The input offset voltage (VOS) of the LTC6228 is typically 250 μV and can range from -300 μV to 300 μV.
- Does the LTC6228 have a shutdown feature?
Yes, the LTC6228 has a shutdown pin that allows it to be turned off to reduce power consumption.
- What is the typical input noise voltage spectral density of the LTC6228?
The typical input noise voltage spectral density of the LTC6228 is 0.88 nV/√Hz at 1 MHz.
- What are the harmonic distortion specifications of the LTC6228?
The LTC6228 has harmonic distortion (HD2/HD3) specifications of less than -100 dBc at AV = +1, 4V-P-P, 2 MHz, and RL = 1 kΩ.
- What is the full power bandwidth of the LTC6228?
The full power bandwidth of the LTC6228 is 12.5 MHz with VOUT = 8V-P-P and AV = +2.
- Is the LTC6228 rail-to-rail?
Yes, the LTC6228 has rail-to-rail output capability.
- What are some typical applications of the LTC6228?
The LTC6228 is typically used in high-speed data acquisition systems, audio and video processing, medical and scientific instruments, and telecommunications equipment.
- What is the operating temperature range of the LTC6228?
The operating temperature range of the LTC6228 is from -40°C to 125°C.
