Overview
The LF412CDRG4 is a dual JFET-input operational amplifier produced by Texas Instruments. It is characterized by its low cost, high speed, and very low input offset voltage. This device is designed to operate with low supply current while maintaining a large gain bandwidth product and a fast slew rate. The LF412CDRG4 is suitable for a variety of high-speed applications due to its matched high-voltage JFET input, which provides very low input bias and offset currents.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Input Offset Voltage (VIO) | 3 mV | 3 mV | mV |
| Input Bias Current (IIB) | 50 pA | 200 pA | pA |
| Supply Voltage (VCC±) | ±15 V | ±18 V | V |
| Operating Temperature Range | 0°C to 70°C | 0°C to 70°C | °C |
| Gain Bandwidth Product | 3 MHz | 3 MHz | MHz |
| Slew Rate | 13 V/µs | 13 V/µs | V/µs |
| Input Resistance | 10^12 Ω | 10^12 Ω | Ω |
| Common-Mode Rejection Ratio (CMRR) | 70 dB | 100 dB | dB |
| Supply Current (ICC) | 4.5 mA | 6.8 mA | mA |
Key Features
- Low input offset voltage and drift.
- Low input bias current and noise current.
- High input impedance and common-mode rejection ratio.
- Wide gain bandwidth product and high slew rate.
- Low supply current and high speed operation.
- Dual operational amplifier configuration.
- Available in SOIC and PDIP packages.
Applications
The LF412CDRG4 is versatile and can be used in various high-speed applications, including:
- High-speed integrators.
- Digital-to-analog converters.
- Sample-and-hold circuits.
- Other high-speed analog circuits.
Q & A
- What is the typical input offset voltage of the LF412CDRG4?
The typical input offset voltage is 3 mV. - What is the maximum supply voltage for the LF412CDRG4?
The maximum supply voltage is ±18 V. - What is the operating temperature range for the LF412CDRG4?
The operating temperature range is 0°C to 70°C. - What is the gain bandwidth product of the LF412CDRG4?
The gain bandwidth product is 3 MHz. - What is the slew rate of the LF412CDRG4?
The slew rate is 13 V/µs. - What are the typical input bias currents for the LF412CDRG4?
The typical input bias currents are 50 pA. - What is the common-mode rejection ratio (CMRR) of the LF412CDRG4?
The CMRR is typically 70 dB. - What are the available package options for the LF412CDRG4?
The device is available in SOIC and PDIP packages. - What are some common applications of the LF412CDRG4?
Common applications include high-speed integrators, digital-to-analog converters, and sample-and-hold circuits. - What is the maximum continuous total power dissipation for the LF412CDRG4?
The maximum continuous total power dissipation is 500 mW.
