Overview
The OPA2170AIDR is part of the OPAx170 family of operational amplifiers (op amps) produced by Texas Instruments. This device is a single-supply, low-noise op amp that operates over a wide supply voltage range from 2.7 V to 36 V. It features micro packages and is designed for applications requiring low power consumption and high performance. The OPA2170AIDR offers excellent offset, drift, and bandwidth characteristics, making it suitable for a variety of precision analog circuits.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (V+ - V-) | 2.7 | 36 | V | |
| Operating Temperature | -40 | 125 | °C | |
| Input Offset Voltage (VOS) | 0.25 | 1.8 | mV | |
| Input Offset Voltage Drift (dVOS/dT) | ±0.3 | ±2 | µV/°C | |
| Common-Mode Rejection Ratio (CMRR) | 104 | 120 | dB | |
| Power Supply Rejection Ratio (PSRR) | 104 | 120 | dB | |
| Gain Bandwidth Product (GBP) | 1.2 | MHz | ||
| Slew Rate | 0.4 | V/µs | ||
| Quiescent Current per Amplifier (IQ) | 110 | 145 | µA | |
| Input Bias Current (IB) | 15 | pA | ||
| Noise Voltage Density | 19 | nV/√Hz |
Key Features
- Wide supply voltage range: 2.7 V to 36 V
- Low noise: 19 nV/√Hz
- RFI filtered inputs
- Input range includes the negative supply and operates to within 2 V of the positive supply
- Rail-to-rail output
- Low quiescent current: 110 µA per amplifier
- High common-mode rejection ratio: 120 dB
- Low bias current: 15 pA (maximum)
- Industry-standard packages and micro packages available
- Stable with capacitive loads up to 300 pF
Applications
- Tracking amplifiers in power modules
- Merchant power supplies
- Transducer amplifiers
- Bridge amplifiers
- Temperature measurements
- Strain gauge amplifiers
- Precision integrators
- Battery-powered instruments
- Test equipment
Q & A
- What is the supply voltage range of the OPA2170AIDR?
The supply voltage range is from 2.7 V to 36 V.
- What is the typical noise voltage density of the OPA2170AIDR?
The typical noise voltage density is 19 nV/√Hz.
- Does the OPA2170AIDR have RFI filtered inputs?
- What is the common-mode rejection ratio (CMRR) of the OPA2170AIDR?
The CMRR is typically 120 dB.
- What is the quiescent current per amplifier for the OPA2170AIDR?
The quiescent current per amplifier is typically 110 µA.
- Is the OPA2170AIDR stable with capacitive loads?
- What are some common applications of the OPA2170AIDR?
- What is the operating temperature range of the OPA2170AIDR?
- Does the OPA2170AIDR have rail-to-rail output?
- What is the slew rate of the OPA2170AIDR?
