Overview
The OP07DP, produced by Texas Instruments, is a precision operational amplifier known for its low noise levels and long-term stability. This amplifier utilizes a chopperless, bipolar-input-transistor amplifier circuit, which ensures low offset and high input impedances across its entire operating temperature range. The OP07DP is designed to operate without the need for external components for offset nulling and frequency compensation, simplifying circuit design and reducing system complexity. Its true differential input and wide input-voltage range make it highly versatile and suitable for various precision applications, particularly in high-noise environments and noninverting configurations.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | TA = 25°C | 30 | 75 | μV | |
| Long-Term VOS Stability | VOS/Time | TA = 25°C | 0.3 | 1.5 | μV/Month | |
| Input Offset Current | IOS | TA = 25°C | 0.5 | 3.8 | nA | |
| Input Bias Current | IB | TA = 25°C | ±1.2 | ±4.0 | nA | |
| Input Noise Voltage Density | en | fO = 10 Hz | 10.3 | 18.0 | nV/√Hz | |
| Slew Rate | SR | RL ≥ 2 kΩ | 0.1 | 0.3 | V/μs | |
| Closed-Loop Bandwidth | BW | AVOL = 15 | 0.4 | 0.6 | MHz | |
| Open-Loop Output Resistance | RO | VO = 0, IO = 0 | 60 | Ω | ||
| Power Consumption | Pd | VS = ±15 V, No load | 75 | 120 | mW | |
| Operating Temperature Range | 0°C to 70°C (OP07E) | °C | ||||
| Supply Voltage Range | ±3 V to ±18 V | V |
Key Features
- Low Noise: The OP07DP features low noise levels, making it suitable for precision applications where minimal signal distortion is crucial.
- No External Components Required: It does not require external components for offset nulling and frequency compensation, simplifying circuit design.
- Wide Input-Voltage Range: The amplifier has a wide input-voltage range of 0 V to ±14 V (typical, ±15-V supply), providing flexibility in various operating environments.
- High Input Impedance and Low Bias Currents: It maintains low bias currents and extremely high input impedances across its entire operating temperature range.
- True Differential Input and High CMRR: The true differential input and high common-mode rejection ratio (CMRR) of 106 dB ensure high accuracy in noninverting circuit configurations.
- Long-Term Stability: The OP07DP exhibits excellent stability of offsets and gain over time and with variations in temperature.
Applications
- Instrumentation: The OP07DP is particularly useful for high-gain instrumentation applications due to its low offset and high open-loop gain.
- Sensors and Controls: It is suitable for applications involving sensors, thermocouples, resistor thermal detectors (RTDs), and strain bridges.
- Wireless Base Station Control Circuits: The amplifier can be used in wireless base station control circuits and optical network control circuits.
- Precision Filters: Its high accuracy and stability make it ideal for precision filter applications.
- Shunt Current Measurements: The OP07DP is also used in shunt current measurements due to its high precision and stability).
Q & A
- What is the typical input offset voltage of the OP07DP?
The typical input offset voltage of the OP07DP is 75 μV.
- Does the OP07DP require external components for offset nulling and frequency compensation?
No, the OP07DP does not require external components for offset nulling and frequency compensation.
- What is the operating temperature range of the OP07DP?
The operating temperature range of the OP07DP is 0°C to 70°C for the OP07E grade and −40°C to +85°C for the OP07C grade).
- What is the supply voltage range of the OP07DP?
The supply voltage range of the OP07DP is ±3 V to ±18 V).
- What are some common applications of the OP07DP?
The OP07DP is commonly used in instrumentation, sensors and controls, wireless base station control circuits, optical network control circuits, precision filters, and shunt current measurements).
- What is the slew rate of the OP07DP?
The slew rate of the OP07DP is 0.1 to 0.3 V/μs for RL ≥ 2 kΩ).
- What is the closed-loop bandwidth of the OP07DP?
The closed-loop bandwidth of the OP07DP is 0.4 to 0.6 MHz for AVOL = 15).
- How does the OP07DP handle noise?
The OP07DP features low noise levels, with an input noise voltage density of 10.3 to 18.0 nV/√Hz at 10 Hz).
- What are the package options for the OP07DP?
The OP07DP is available in epoxy 8-lead PDIP and 8-lead narrow SOIC packages).
- Are there any next-generation alternatives to the OP07DP?
Yes, Texas Instruments offers the next-generation OPA207 and OPA202 operational amplifiers for improved performance and specific application needs).
