Overview
The TLV171IDBVR is a single-channel, low-power operational amplifier (op amp) from Texas Instruments, part of the TLVx171 family. This device is designed for cost-conscious industrial and personal electronics systems, offering high overall performance and stability. It operates over a wide supply voltage range from 2.7 V to 36 V (or ±1.35 V to ±18 V for dual supply) and is specified for temperatures from –40°C to +125°C. The TLV171IDBVR is EMI-hardened with RFI-filtered inputs, making it suitable for applications requiring low noise and high reliability.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 2.7 | - | 36 | V |
| Input Offset Voltage (VOS) | 0.75 | ±2.7 | - | mV |
| Input Offset Voltage Drift (dVOS/dT) | - | 1 | - | µV/°C |
| Power Supply Rejection Ratio (PSRR) | 90 | 105 | - | dB |
| Quiescent Current per Amplifier (IQ) | 525 | - | 695 | µA |
| Gain Bandwidth Product | - | 3 | - | MHz |
| Common-Mode Rejection Ratio (CMRR) | - | 105 | - | dB |
| Input Bias Current (IB) | - | 10 | - | pA |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- EMI-hardened with RFI-filtered inputs for reduced electromagnetic interference.
- Low noise: 16 nV/√Hz.
- Low offset drift: ±1 µV/°C (typical).
- Unity-gain stable with capacitive loads up to 200 pF.
- Rail-to-rail output.
- Low quiescent current: 525 µA per amplifier.
- High common-mode rejection ratio (CMRR): 105 dB (typical).
- Low input bias current: 10 pA.
- Input range includes the negative supply and extends within 2 V of the positive supply rail.
Applications
The TLV171IDBVR is suitable for a variety of applications, including:
- Industrial control systems requiring low power and high reliability.
- Personal electronics where space and power efficiency are critical.
- Audio and signal processing systems that demand low noise and high stability.
- Automotive and aerospace applications due to its wide operating temperature range and robust specifications.
Q & A
- What is the supply voltage range of the TLV171IDBVR?
The TLV171IDBVR operates over a supply voltage range from 2.7 V to 36 V (or ±1.35 V to ±18 V for dual supply).
- What is the typical input offset voltage of the TLV171IDBVR?
The typical input offset voltage is ±2.7 mV.
- How does the TLV171IDBVR perform in terms of noise?
The TLV171IDBVR has a low noise specification of 16 nV/√Hz.
- Is the TLV171IDBVR stable with capacitive loads?
Yes, it is unity-gain stable with capacitive loads up to 200 pF.
- What is the quiescent current per amplifier for the TLV171IDBVR?
The quiescent current per amplifier is 525 µA.
- Does the TLV171IDBVR have rail-to-rail output capability?
Yes, it has rail-to-rail output capability.
- What is the common-mode rejection ratio (CMRR) of the TLV171IDBVR?
The CMRR is typically 105 dB.
- How does the input range of the TLV171IDBVR extend beyond the supply rails?
The input range includes the negative supply and extends within 2 V of the positive supply rail.
- Is the TLV171IDBVR suitable for high-temperature applications?
Yes, it is specified for operation from –40°C to +125°C.
- What are some typical applications for the TLV171IDBVR?
Typical applications include industrial control systems, personal electronics, audio and signal processing systems, and automotive and aerospace applications.
