Overview
The OP07EP is a precision operational amplifier produced by Texas Instruments, known for its low offset voltage, low noise, and high stability. This device is part of the OP07 series, which has become an industry standard for high-gain instrumentation applications. The OP07EP offers a chopperless, bipolar-input-transistor amplifier circuit that ensures low offset and long-term stability without the need for external components for offset nulling and frequency compensation.
Key Specifications
| Parameter | Symbol | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 45 | 130 | µV | ||
| Input Bias Current | IB | ±1.5 | ±5.5 | nA | ||
| Input Voltage Range | IVR | ±13 | ±13.5 | V | ||
| Common-Mode Rejection Ratio | CMRR | VCM = ±13 V | 97 | 120 | dB | |
| Open-Loop Gain | AOL | VO = ±10 V, RL = 500 kΩ | 100 | 400 | V/mV | |
| Slew Rate | SR | RL ≥ 2 kΩ | 0.1 | 0.3 | V/μs | |
| Unity Gain Bandwidth | BW | 0.4 | 0.6 | MHz | ||
| Power Dissipation | Pd | VS = ±15 V, No load | 75 | 120 | mW |
Key Features
- Low Noise: The OP07EP features low noise characteristics, making it suitable for high-sensitivity applications.
- Low Input Offset Voltage: With a maximum input offset voltage of 130 µV, this amplifier ensures high accuracy in instrumentation applications.
- High Common-Mode Rejection Ratio (CMRR): A CMRR of up to 120 dB provides excellent performance in high-noise environments.
- Wide Input and Supply Voltage Ranges: The device can operate with input voltages up to ±14 V and supply voltages from ±3 V to ±18 V.
- High Open-Loop Gain: An open-loop gain of up to 400 V/mV is ideal for high-gain instrumentation applications.
- Low Input Bias Current: The low input bias current of ±5.5 nA minimizes errors in high-impedance circuits.
- No External Components Required: The OP07EP does not require external components for offset nulling and frequency compensation.
Applications
- Instrumentation: Ideal for precision instrumentation due to its low offset and high stability.
- Sensors and Controls: Used in thermocouples, resistor thermal detectors (RTDs), strain bridges, and shunt current measurements.
- Wireless Base Station Control Circuits: Suitable for control circuits in wireless base stations.
- Optical Network Control Circuits: Used in optical network control applications.
- Precision Filters: Employed in precision filter circuits due to its high accuracy and stability.
Q & A
- What is the typical input offset voltage of the OP07EP?
The typical input offset voltage of the OP07EP is 130 µV.
- What is the common-mode rejection ratio (CMRR) of the OP07EP?
The CMRR of the OP07EP is up to 120 dB.
- What is the operating temperature range for the OP07EP?
The OP07EP operates over a temperature range of –40°C to +85°C for the OP07C grade and 0°C to 70°C for the OP07E grade.
- Does the OP07EP require external components for offset nulling and frequency compensation?
No, the OP07EP does not require external components for offset nulling and frequency compensation.
- What is the slew rate of the OP07EP?
The slew rate of the OP07EP is 0.1 to 0.3 V/μs.
- What are the typical applications of the OP07EP?
The OP07EP is typically used in instrumentation, sensors and controls, wireless base station control circuits, optical network control circuits, and precision filters.
- What is the input bias current of the OP07EP?
The input bias current of the OP07EP is ±5.5 nA.
- What is the power dissipation of the OP07EP?
The power dissipation of the OP07EP is 75 to 120 mW with a ±15 V supply and no load.
- What is the unity gain bandwidth of the OP07EP?
The unity gain bandwidth of the OP07EP is 0.4 to 0.6 MHz.
- Is the OP07EP suitable for high-gain instrumentation applications?
Yes, the OP07EP is particularly useful for high-gain instrumentation applications due to its low offset voltage and high open-loop gain.
