Overview
The OPA2202IDR, 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 ideal for applications requiring high dc precision and stability.
The OPA2202IDR offers exceptional performance with features such as heavy capacitive load drive, high input impedance, and protection against external EMI, 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 | 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 | ±1.5 | µV/°C | |
| Input Bias Current (IB) | ±0.25 | ±2 | ±2.1 | nA | |
| Input Offset Current (IOS) | ±15 | ±250 | ±700 | pA | |
| Input Voltage Noise (en) | f = 10 Hz | 9.5 | nV/√Hz | ||
| Gain-Bandwidth Product (GBW) | 1 | MHz | |||
| Slew Rate (SR) | 10-V step, G = 1 | 0.35 | V/µs | ||
| Settling Time (tS) | To 0.1%, 10-V step, G = 1 | 30 | µs | ||
| Supply Voltage Range | ±2.25 V | ±18 V | V | ||
| Quiescent Current | VS = ±18 V | 580 | µA |
Key Features
- Precision Super-Beta Performance: Low offset voltage (±200 µV maximum) and ultra-low drift (±1.5 µV/°C maximum).
- Excellent Efficiency: Low quiescent current (580 µA typical) and high gain-bandwidth product (1 MHz).
- Heavy Capacitive Load Drive: 5-µs settling time with 25 nF capacitive load.
- High Input Impedance: 3000 GΩ and 0.5 pF.
- Protection Features: EMI hardened, thermal, and short-circuit protection.
- Low Noise: Low input voltage noise (9 nV/√Hz at 10 Hz) and low 0.1-Hz to 10-Hz noise (0.2 µVPP).
- Wide Supply Voltage Range: ±2.25 V to ±18 V.
- High CMRR and AOL: 126 dB minimum.
- Low Bias Current: 2 nA maximum.
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 quiescent current of the OPA2202IDR?
The typical quiescent current is 580 µA at ±18 V supply voltage.
- What is the maximum offset voltage of the OPA2202IDR?
The maximum offset voltage is ±200 µV.
- What is the gain-bandwidth product of the OPA2202IDR?
The gain-bandwidth product is 1 MHz.
- What is the slew rate of the OPA2202IDR?
The slew rate is 0.35 V/µs for a 10-V step with a gain of 1.
- What is the settling time of the OPA2202IDR?
The settling time to 0.1% is 30 µs for a 10-V step with a gain of 1.
- What is the input voltage noise density of the OPA2202IDR?
The input voltage noise density is 9.5 nV/√Hz at 10 Hz.
- What is the temperature range for the OPA2202IDR?
The device is fully specified over a temperature range from –40°C to +105°C.
- Does the OPA2202IDR have protection features?
Yes, it has EMI hardened, thermal, and short-circuit protection features.
- What are some common applications for the OPA2202IDR?
Common applications include data acquisition, lab and field instrumentation, multiparameter patient monitors, and string inverters.
- What is the maximum input bias current of the OPA2202IDR?
The maximum input bias current is 2 nA.
