Overview
The OPA202IDR is a high-precision operational amplifier (op-amp) designed and manufactured by Texas Instruments (TI). It is part of TI's renowned portfolio of analog and mixed-signal components, known for their reliability and performance across a wide range of applications. This device is built on TI's industry-leading precision super-beta, complementary, bipolar semiconductor process, offering ultra-low flicker noise, low offset voltage, and excellent linearity with common-mode and power-supply variation.
The OPA202IDR is characterized by its exceptional combination of dc precision, heavy capacitive load drive, and protection against external EMI, thermal, and short-circuit events. It operates over a wide temperature range from –40°C to +105°C, ensuring reliable performance in various environmental conditions.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage (VOS) | VS = ±18 V | ±20 | ±200 | ±250 | µV |
| Input Offset Voltage Drift (dVOS/dT) | TA = –40°C to +105°C | ±0.5 | ±1 | µV/°C | |
| Quiescent Current | VS = ±18 V | 580 | µA | ||
| Gain-Bandwidth Product (GBW) | 1 | MHz | |||
| Input Voltage Noise Density (en) | f = 10 Hz | 9.5 | nV/√Hz | ||
| Input Bias Current (IB) | ±0.25 | ±2 | ±2.1 | nA | |
| Common Mode Rejection Ratio (CMRR) and Open-Loop Gain (AOL) | 126 | dB | |||
| Power Supply Rejection Ratio (PSRR) | 126 | dB | |||
| Supply Voltage Range | ±2.25 V | ±18 V | V |
Key Features
- Precision Super-Beta Performance: Low offset voltage (200 µV maximum) and ultra-low drift (1 µV/°C maximum).
- Excellent Efficiency: Quiescent current of 580 µA (typical), gain-bandwidth product of 1 MHz, and low input voltage noise of 9 nV/√Hz.
- Ease of Use and Design Simplicity: Heavy capacitive load drive with 5-µs settling time for 25 nF, ultra-high input impedance of 3000 GΩ and 0.5 pF, and EMI hardened, thermal, and short-circuit protection.
- Stable Performance: High CMRR and AOL (126 dB minimum), high PSRR (126 dB minimum), and low bias current (2 nA maximum).
- Low Noise: Low 0.1-Hz to 10-Hz noise of 0.2 µVPP and low input voltage noise density.
- Wide Supply Voltage Range: Operates from ±2.25 V to ±18 V.
- Replacement for Legacy Op-Amps: Replaces OP-07 and OP-27.
Applications
- Data Acquisition (DAQ): Suitable for high-performance data acquisition systems.
- Lab and Field Instrumentation: Ideal for precision measurement and instrumentation applications.
- Medical Equipment: Used in medical devices such as multiparameter patient monitors.
- Industrial Process Controls: Applied in industrial automation and process control systems.
- String Inverters: Utilized in renewable energy systems like string inverters.
Q & A
- What is the maximum offset voltage of the OPA202IDR?
The maximum offset voltage is 200 µV.
- What is the typical quiescent current of the OPA202IDR?
The typical quiescent current is 580 µA).
- What is the gain-bandwidth product of the OPA202IDR?
The gain-bandwidth product is 1 MHz).
- What is the input voltage noise density of the OPA202IDR at 10 Hz?
The input voltage noise density at 10 Hz is 9.5 nV/√Hz).
- What is the common mode rejection ratio (CMRR) and open-loop gain (AOL) of the OPA202IDR?
The CMRR and AOL are 126 dB minimum).
- What is the supply voltage range of the OPA202IDR?
The supply voltage range is from ±2.25 V to ±18 V).
- Does the OPA202IDR have EMI protection?
Yes, the OPA202IDR is EMI hardened, and it also includes thermal and short-circuit protection).
- What are the typical operating temperatures for the OPA202IDR?
The OPA202IDR operates from –40°C to +105°C).
- Can the OPA202IDR drive heavy capacitive loads?
Yes, it can drive heavy capacitive loads with a settling time of 5 µs for 25 nF).
- What legacy op-amps does the OPA202IDR replace?
The OPA202IDR replaces OP-07 and OP-27).
