Overview
The OPA202IDBVR, part of the OPAx202 family from Texas Instruments, is a precision operational amplifier built on TI's industry-leading super-beta, complementary, bipolar semiconductor process. This device is known for its ultra-low flicker noise, low offset voltage, and low offset voltage temperature drift, making it an excellent choice for applications requiring high dc precision and stability.
The OPA202IDBVR offers exceptional performance with features such as heavy capacitive load drive, EMI hardened design, and protection against thermal and short-circuit events. It is fully specified over a temperature range from –40°C to +105°C, ensuring reliable operation in various environments.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | ±20 | ±200 | ±250 | µV |
| Input Offset Voltage Drift (dVOS/dT) | ±0.5 | ±1 | µV/°C | |
| Input Bias Current (IB) | ±0.25 | ±2 | nA | |
| Input Offset Current (IOS) | ±15 | ±150 | pA | |
| Gain-Bandwidth Product (GBW) | 1 | MHz | ||
| Slew Rate (SR) | 0.35 | V/µs | ||
| Settling Time (tS) to 0.1% | 30 | µs | ||
| Supply Voltage (VS) | ±2.25 | ±18 | V | |
| Quiescent Current | 580 | µA | ||
| Input Voltage Noise Density (en) | 9.5 | nV/√Hz |
Key Features
- Precision Performance: Low offset voltage (200 µV maximum), ultra-low drift (1 µV/°C maximum), and high CMRR and AOL (126 dB minimum).
- Efficiency: Low quiescent current (580 µA typical) and high gain-bandwidth product (1 MHz).
- Ease of Use: Heavy capacitive load drive with 5-µs settling time for 25 nF, ultra-high input impedance (3000 GΩ and 0.5 pF), and EMI hardened design.
- Protection Features: Thermal, short-circuit, and EMI protection.
- Low Noise: Low 0.1-Hz to 10-Hz noise (0.2 µVPP) and low input voltage noise density (9.5 nV/√Hz at 10 Hz).
- Wide Supply Voltage Range: Operates from ±2.25 V to ±18 V.
Applications
- Data acquisition (DAQ)
- Lab and field instrumentation
- Multiparameter patient monitors
- String inverters
- Merchant network and server power supplies
Q & A
- What is the typical input offset voltage of the OPA202IDBVR?
The typical input offset voltage is ±200 µV.
- What is the gain-bandwidth product of the OPA202IDBVR?
The gain-bandwidth product is 1 MHz.
- What is the slew rate of the OPA202IDBVR?
The slew rate is 0.35 V/µs.
- What is the quiescent current of the OPA202IDBVR?
The quiescent current is 580 µA typical.
- What is the input voltage noise density of the OPA202IDBVR?
The input voltage noise density is 9.5 nV/√Hz at 10 Hz.
- What is the operating temperature range of the OPA202IDBVR?
The operating temperature range is from –40°C to +105°C.
- Does the OPA202IDBVR have EMI protection?
Yes, the OPA202IDBVR is EMI hardened.
- What are the common applications of the OPA202IDBVR?
Common applications include data acquisition, lab and field instrumentation, multiparameter patient monitors, and string inverters.
- What is the supply voltage range for the OPA202IDBVR?
The supply voltage range is from ±2.25 V to ±18 V.
- Does the OPA202IDBVR support heavy capacitive loads?
Yes, it can drive heavy capacitive loads with a settling time of 5 µs for 25 nF.
