Overview
The OP07DPG4, produced by Texas Instruments, is a precision operational amplifier that belongs to the OP07x series. This device is known for its low noise, high stability, and wide input-voltage range, making it suitable for a variety of high-precision applications. The OP07DPG4 features a chopperless, bipolar-input-transistor amplifier circuit, which 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 | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | Dual supply | ±3 | ±18 | V | |
| Input Voltage | Differential | ±30 | V | |||
| Input Offset Voltage | VOS | TA = 25°C | 75 | μV | ||
| Input Bias Current | IB | TA = 0°C to 70°C | ±1.8 | ±2.2 | nA | |
| Open-Loop Gain | TA = 25°C | 200 | V/mV | |||
| Slew Rate | SR | RL ≥ 2 kΩ | 0.1 | 0.3 | V/μs | |
| Operating Temperature Range | TA | 0 | 70 | °C | ||
| Package Type | 8-Lead PDIP |
Key Features
- Low Noise: The OP07DPG4 features low noise characteristics, making it suitable for high-precision applications.
- No External Components Required: For most applications, external components are not needed for offset nulling and frequency compensation.
- Wide Input-Voltage Range: The device has a wide input-voltage range of 0 V to ±14 V (typ, ±15-V supply).
- Wide Supply-Voltage Range: It operates with a supply-voltage range of ±3 V to ±18 V.
- High Common-Mode Rejection Ratio (CMRR): The OP07DPG4 has a high CMRR of 106 dB, providing maximum flexibility and performance in high-noise environments.
- Low Bias Currents and High Input Impedances: Maintains low bias currents and extremely high input impedances over the entire temperature range.
Applications
- Wireless Base Station Control Circuits: Used in control circuits for wireless base stations.
- Optical Network Control Circuits: Suitable for control circuits in optical networks.
- Instrumentation: Ideal for lab and field instrumentation due to its high precision and stability.
- Sensors and Controls: Used in various sensor and control applications, including thermocouples and resistor thermal detectors (RTDs).
- Strain Bridges and Shunt Current Measurements: Applicable in strain bridge and shunt current measurement circuits.
- Precision Filters: Utilized in precision filter applications requiring low noise and high stability.
Q & A
- What is the typical input offset voltage of the OP07DPG4?
The typical input offset voltage is 75 μV for the OP07E model, which is similar for the OP07DPG4.
- What is the operating temperature range of the OP07DPG4?
The operating temperature range is 0°C to 70°C.
- What is the supply voltage range for the OP07DPG4?
The supply voltage range is ±3 V to ±18 V.
- Does the OP07DPG4 require external components for offset nulling and frequency compensation?
No, for most applications, external components are not required for offset nulling and frequency compensation).
- What is the common-mode rejection ratio (CMRR) of the OP07DPG4?
The CMRR is 106 dB).
- What are some common applications of the OP07DPG4?
Common applications include wireless base station control circuits, optical network control circuits, instrumentation, sensors and controls, strain bridges, shunt current measurements, and precision filters).
- What is the slew rate of the OP07DPG4?
The slew rate is 0.1 to 0.3 V/μs for RL ≥ 2 kΩ).
- What is the input bias current of the OP07DPG4?
The input bias current is ±1.8 nA to ±2.2 nA over the temperature range of 0°C to 70°C).
- What is the package type of the OP07DPG4?
The package type is 8-Lead PDIP).
- Is the OP07DPG4 sensitive to electrostatic discharge (ESD)?
Yes, the OP07DPG4 is an ESD-sensitive device, and proper ESD precautions are recommended to avoid performance degradation or loss of functionality).
