Overview
The OPA171AIDBVT is a 36V, single-supply, low-noise operational amplifier produced by Texas Instruments. It is part of the OPAx171 family, which includes single, dual, and quad versions, all offering identical specifications for maximum design flexibility. These devices are designed for general-purpose applications and are known for their high overall performance, including low offset drift, low noise, and the ability to operate on a wide range of supply voltages from 2.7V to 36V (±1.35V to ±18V).
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 2.7V | - | 36V | V |
| Offset Voltage | - | 7 mV | - | mV |
| Offset Drift | - | ±0.3 µV/°C | - | µV/°C |
| Noise at f = 1 kHz | - | 14 nV/√Hz | - | nV/√Hz |
| Gain Bandwidth Product | - | 3 MHz | - | MHz |
| Slew Rate | - | 0.7 V/µs | - | V/µs |
| Common-Mode Rejection Ratio (CMRR) | - | 120 dB | - | dB |
| Input Bias Current | - | 8 pA | - | pA |
| Quiescent Current per Amplifier | - | 475 µA | - | µA |
| Operating Temperature Range | -40°C | - | 125°C | °C |
| Package Type | - | SOT-23 (DBV) | - | - |
| Pin Count | - | 5 | - | - |
Key Features
- Wide supply voltage range: 2.7V to 36V (±1.35V to ±18V).
- Low noise: 14 nV/√Hz.
- Low offset drift: ±0.3 µV/°C (Typical).
- RFI filtered inputs.
- Input range includes the negative supply and operates to within 2V of the positive supply.
- Rail-to-rail output.
- High common-mode rejection ratio (CMRR): 120 dB (Typical).
- Low-input bias current: 8 pA.
- Low quiescent current: 475 µA per amplifier.
- Stable with capacitive loads up to 300 pF.
- Available in industry-standard packages including 5-pin SOT-23, 8-pin SOIC, and 14-pin TSSOP.
Applications
The OPA171AIDBVT is suitable for a wide range of general-purpose applications due to its high overall performance and versatility. It is particularly useful in:
- Audio and video signal processing
- Medical devices requiring low noise and high stability
- Industrial control systems
- Sensor interfaces and signal conditioning
- Automotive systems where a wide supply voltage range is necessary
Q & A
- What is the supply voltage range of the OPA171AIDBVT?
The OPA171AIDBVT can operate on supplies ranging from 2.7V to 36V (±1.35V to ±18V).
- What is the typical noise level of the OPA171AIDBVT?
The typical noise level is 14 nV/√Hz.
- What is the offset drift of the OPA171AIDBVT?
The offset drift is ±0.3 µV/°C (Typical).
- Does the OPA171AIDBVT have RFI filtered inputs?
Yes, the OPA171AIDBVT has RFI filtered inputs.
- What is the gain bandwidth product of the OPA171AIDBVT?
The gain bandwidth product is 3 MHz.
- What is the slew rate of the OPA171AIDBVT?
The slew rate is 0.7 V/µs.
- What is the common-mode rejection ratio (CMRR) of the OPA171AIDBVT?
The CMRR is 120 dB (Typical).
- What is the input bias current of the OPA171AIDBVT?
The input bias current is 8 pA.
- What is the quiescent current per amplifier of the OPA171AIDBVT?
The quiescent current per amplifier is 475 µA.
- What is the operating temperature range of the OPA171AIDBVT?
The operating temperature range is -40°C to 125°C.
