Product Description for LT1122CS8#TRPBF from Linear Technology

The LT1122CS8#TRPBF is a high-speed, precision operational amplifier from Linear Technology. It features a unique poly-gate JFET process that minimizes gate series resistance and gate-to-drain capacitance, facilitating wide bandwidth performance without degrading JFET transistor matching. The LT1122 has a slew rate of 80 V/µs and settles in 340 ns, making it ideal for fast settling 12-bit data conversion and acquisition systems. It also has an offset voltage of 120 µV and a voltage gain of 500,000, supporting 12-bit accurate applications.

The LT1122 is internally compensated to be unity-gain stable, yet it has a bandwidth of 14 MHz at a supply current of only 7 mA. It is also rail-to-rail input and output capable, making it easy to use in a wide variety of applications.

The LT1122 is available in a variety of packages, including the 8-SOIC package of the LT1122CS8#TRPBF. It is also available in a variety of temperature grades, from the commercial grade -40°C to +125°C to the military grade -55°C to +125°C.

Features and Benefits

• High speed: slew rate of 80 V/µs, settling time of 340 ns
• Precision: offset voltage of 120 µV, voltage gain of 500,000
• Wide bandwidth: 14 MHz at a supply current of only 7 mA
• Rail-to-rail input and output
• Internally compensated to be unity-gain stable
• Available in a variety of packages and temperature grades

Applications

• Fast settling 12-bit data conversion and acquisition systems
• High-speed amplifiers and buffers
• Video processing
• Instrumentation
• Medical electronics
• Industrial control

Examples

• The LT1122 can be used to design a high-speed sample-and-hold amplifier for a 12-bit analog-to-digital converter.
• The LT1122 can be used to design a high-speed buffer for a video signal processing system.
• The LT1122 can be used to design a high-speed instrumentation amplifier for measuring small signals.
• The LT1122 can be used to design a high-speed driver for a medical imaging system.
• The LT1122 can be used to design a high-speed control loop for an industrial robot.

Conclusion

The LT1122CS8#TRPBF is a high-speed, precision operational amplifier that is ideal for a wide variety of applications. It features a unique poly-gate JFET process that minimizes gate series resistance and gate-to-drain capacitance, facilitating wide bandwidth performance without degrading JFET transistor matching. The LT1122 has a slew rate of 80 V/µs and settles in 340 ns, making it ideal for fast settling 12-bit data conversion and acquisition systems. It also has an offset voltage of 120 µV and a voltage gain of 500,000, supporting 12-bit accurate applications.

The LT1122 is internally compensated to be unity-gain stable, yet it has a bandwidth of 14 MHz at a supply current of only 7 mA. It is also rail-to-rail input and output capable, making it easy to use in a wide variety of applications.

The LT1122 is a versatile and powerful operational amplifier that can be used to design a wide variety of high-speed, precision circuits.