Overview
The LF412CDRE4 is a dual JFET-input operational amplifier produced by Texas Instruments. This device is known for its low-cost, high-speed performance, and very low input offset voltage. It features a high gain bandwidth product and a fast slew rate, making it suitable for a variety of high-speed applications. The LF412CDRE4 is characterized for operation from 0°C to 70°C, ensuring reliability across a range of temperatures.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Input Offset Voltage (VIO) | 3 mV | 3 mV | mV |
| Average Temperature Coefficient of Input Offset Voltage (αVIO) | 10 µV/°C | 20 µV/°C | µV/°C |
| Input Offset Current (IIO) | 25 pA (at 25°C), 4 nA (at 70°C) | 100 pA (at 25°C), 8 nA (at 70°C) | pA, nA |
| Input Bias Current (IIB) | 50 pA (at 25°C), 8 nA (at 70°C) | 200 pA (at 25°C), 8 nA (at 70°C) | pA, nA |
| Supply Voltage (VCC±) | ±3.5 to ±18 V | ±18 V | V |
| Supply Current | 4.5 mA | - | mA |
| Gain Bandwidth Product | 3 MHz | - | MHz |
| Slew Rate | 13 V/µs | - | V/µs |
| Common-Mode Input Voltage Range (VICR) | -11.5 to 14.5 V | - | V |
| Maximum Peak Output Voltage Swing (VOM) | ±12 V (RL = 10 kΩ) | ±13.5 V (RL = 10 kΩ) | V |
| Input Resistance (ri) | 10^12 Ω | - | Ω |
| Common-Mode Rejection Ratio (CMRR) | 70 dB (RS ≤ 10 kΩ) | 100 dB (RS ≤ 10 kΩ) | dB |
Key Features
- Low input offset voltage and drift.
- High input impedance and low input bias current.
- Wide gain bandwidth product of 3 MHz.
- Fast slew rate of 13 V/µs.
- Low supply current of 4.5 mA.
- High common-mode rejection ratio (CMRR) of up to 100 dB.
- Internally trimmed offset voltage for improved accuracy.
- Available in SOIC and PDIP packages.
Applications
- High-speed integrators.
- Digital-to-analog converters.
- Sample-and-hold circuits.
- Audio and video processing.
- Medical and industrial instrumentation.
- General-purpose amplification in various electronic systems.
Q & A
- What is the typical input offset voltage of the LF412CDRE4?
The typical input offset voltage is 3 mV.
- What is the gain bandwidth product of the LF412CDRE4?
The gain bandwidth product is 3 MHz.
- What is the slew rate of the LF412CDRE4?
The slew rate is 13 V/µs.
- What are the typical supply voltage ranges for the LF412CDRE4?
The supply voltage ranges from ±3.5 V to ±18 V.
- What is the common-mode rejection ratio (CMRR) of the LF412CDRE4?
The CMRR is up to 100 dB.
- What are some common applications of the LF412CDRE4?
Common applications include high-speed integrators, digital-to-analog converters, sample-and-hold circuits, and general-purpose amplification.
- What are the available package types for the LF412CDRE4?
The device is available in SOIC and PDIP packages.
- What is the operating temperature range for the LF412CDRE4?
The operating temperature range is from 0°C to 70°C.
- What is the typical input bias current of the LF412CDRE4?
The typical input bias current is 50 pA at 25°C.
- What is the maximum peak output voltage swing of the LF412CDRE4?
The maximum peak output voltage swing is ±12 V with a load resistance of 10 kΩ.
