LTC6226
1nV/√Hz 420MHz GBW, 180V/µs, Low Distortion Rail-to-Rail Output Op Amps
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Overview
Features and Benefits
- Ultra Low Voltage Noise: 1nV/√Hz
- Low Distortion: HD2/HD3<–90dBC at 4VP-P,1MHz into 1kΩ
- High Slew Rate: 180V/μs
- GBW = 420MHz
- –3dB Frequency (AV = +1): 330MHz
- n Input Common Mode Range Includes Negative Rail
- Output Swings Rail-to-Rail
- Supply Current: 5.5mA/Channel Typ
- Operating Supply Range: 2.8V to 11.75V
- Input Offset Voltage: 95μV Max
- Offset Drift :0.4μV/°C
- Low Power Shutdown
- Very High Open Loop Gain: 9V/μV (139dB), RL = 1kΩ
- Operating Temp Range: –40°C to 125°C
- Single in 8-Lead SOIC, TSOT-23, 2mm × 2mm DFN. Duals in 3mm × 3mm DFN, MS8E
Product Details
The LTC6226 are very fast, low noise rail-to-rail output, unity gain stable single/dual op amps, with a gainbandwidth product of 420MHz and a slew rate of 180V/μs. The low input referred voltage noise of only 1nV/√Hz and low distortion of less than –90dBC for 4VP-P signals at 1MHz makes them ideal for applications that require high dynamic range and deal with very fast signals, such as driving A/D converters.
The combination of low offset, low offset drift, high gain (139dB) and high CMRR (114dB) make these excellent devices for high dynamic range applications.
The LTC6226 family maintains excellent performance for supply voltages of 2.8V to 11.75V and the devices are fully specified at supplies of 3V, 5V and 10V (±5V).
With an input range extending to the negative rail and rail-to-rail output stage, the operational amplifier can accommodate wide swinging signals, and true single supply operation.
For space constrained applications, the amplifiers come in 2mm × 2mm DFN (single) and 3mm × 3mm DFN (dual) packages. The devices are also available in 8-lead SOIC,TSOT-23 and MS8E.
These amplifiers can be used as replacements for many high speed op amps to improve speed, noise and dynamic range.
Applications
- Optical Electronics: Fast AC-Coupled Transimpedance Amplifiers
- Driving High Dynamic Range A/D Converters
- Active Filters
- Video Amplifiers
- Low Voltage Low Distortion Amplification
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Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
Documentation & Resources
Tools & Simulations
LTspice
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Models for the following parts are available in LTspice:
LTC6226
Design Tools
Analog Filter Wizard
Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.
Analog Photodiode Wizard
Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.
Design Resources
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LTC6226 Discussions
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.