Overview
The OP07DDRE4, produced by Texas Instruments, is part of the OP07x series of precision operational amplifiers. These devices are known for their low offset voltage and long-term stability, making them ideal for high-accuracy amplification of very-low-level signals. The OP07DDRE4 operates over a temperature range of 0°C to 70°C and features a low-noise, chopperless, bipolar-input-transistor amplifier circuit. This design ensures low bias currents and extremely high input impedances across the entire temperature range, enhancing performance in high-noise environments and noninverting applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VO = 0, RS = 50 Ω, 0°C to 70°C | 85 | - | 250 | µV |
| Input Offset Voltage Drift (dVOS/dT) | 0°C to 70°C | 0.5 | - | 2.5 | µV/°C |
| Common-Mode Rejection Ratio (CMRR) | VCM = ±13 V, 0°C to 70°C | 94 | - | 110 | dB |
| Input Resistance (rI) | - | 7 | - | 33 | MΩ |
| Open-Loop Gain (AOL) | VO = ±10 V, RL = 500 kΩ | 100 | - | 400 | V/mV |
| Unity Gain Bandwidth (BW) | AVOL = 15 | 0.4 | - | 0.6 | MHz |
| Slew Rate (SR) | VS = 5 V, RL = 2 kΩ | 0.1 | - | 0.3 | V/μs |
| Output Voltage Swing (VO) | RL ≥ 2 kΩ | ±11.5 | - | ±12.8 | V |
| Power Dissipation (Pd) | VS = ±15 V, No load | 80 | - | 150 | mW |
| Operating Ambient Temperature (TA) | - | 0 | - | 70 | °C |
| Supply Voltage (VS) | - | ±3 | - | ±18 | V |
Key Features
- Low Noise and Offset Voltage: The OP07DDRE4 features very low input offset voltage and drift, ensuring high accuracy in signal amplification.
- No External Components Required: For most applications, external components are not needed for offset nulling and frequency compensation.
- Wide Input-Voltage Range: The device supports a wide input-voltage range of ±13 V, making it versatile in various applications.
- High Common-Mode Rejection Ratio (CMRR): With a CMRR of up to 110 dB, the OP07DDRE4 provides excellent performance in high-noise environments.
- Low Bias Currents and High Input Impedances: Maintains low bias currents and high input impedances over the entire temperature range.[
- Wide Supply-Voltage Range: Operates with supply voltages ranging from ±3 V to ±18 V.[
Applications
- Analog Input Modules: Suitable for high-accuracy analog input modules due to its low noise and offset characteristics.[
- Battery Test and Lab Instrumentation: Used in battery testing and various lab and field instrumentation applications.[
- Temperature Transmitters and Sensors: Ideal for temperature transmitters, thermocouples, and resistor thermal detectors (RTDs).[
- Strain Bridges and Shunt Current Measurements: Applicable in strain bridge circuits and shunt current measurements.[
- Precision Filters and Wireless Base Station Control: Used in precision filter circuits and wireless base station control circuits.[
Q & A
- What is the typical input offset voltage of the OP07DDRE4?
The typical input offset voltage of the OP07DDRE4 is ±85 µV over the temperature range of 0°C to 70°C.
- What is the common-mode rejection ratio (CMRR) of the OP07DDRE4?
The CMRR of the OP07DDRE4 is up to 110 dB.
- What is the operating temperature range of the OP07DDRE4?
The OP07DDRE4 operates over a temperature range of 0°C to 70°C.[
- What is the supply voltage range for the OP07DDRE4?
The device operates with supply voltages ranging from ±3 V to ±18 V.[
- Does the OP07DDRE4 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 are some common applications of the OP07DDRE4?
Common applications include analog input modules, battery testing, lab and field instrumentation, temperature transmitters, and precision filters.[
- What is the slew rate of the OP07DDRE4?
The slew rate of the OP07DDRE4 is 0.1 to 0.3 V/μs.[
- What is the unity gain bandwidth of the OP07DDRE4?
The unity gain bandwidth is 0.4 to 0.6 MHz.[
- Is the OP07DDRE4 ESD sensitive?
Yes, the OP07DDRE4 is an ESD-sensitive device and requires proper ESD precautions to avoid performance degradation or loss of functionality.[
- What is the power dissipation of the OP07DDRE4?
The power dissipation of the OP07DDRE4 is typically 80 to 150 mW with a ±15 V supply and no load.[
