Overview
The OPA171AIDRLR is a part of the OPAx171 family of operational amplifiers produced by Texas Instruments. These devices are designed for general-purpose applications and offer high overall performance. They operate on a wide supply range from 2.7V to 36V (±1.35V to ±18V) and are available in various packages, including the 5-pin SOT-553 package for the OPA171AIDRLR. The OPAx171 series is known for its low noise, low offset drift, and high common-mode rejection ratio, making them suitable for a variety of applications requiring precision and stability.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | - | 36 | V |
| Input Noise | - | 14 | - | nV/√Hz |
| Offset Drift | - | ±0.3 | - | µV/°C |
| Gain Bandwidth Product | - | 3 | - | MHz |
| Slew Rate | - | 1.5 | - | V/µs |
| Quiescent Current per Amplifier | 475 | - | 595 | µA |
| Common-Mode Rejection Ratio | 90 | 104 | 120 | dB |
| Input Bias Current | - | 8 | - | pA |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- Wide supply range: 2.7V to 36V (±1.35V to ±18V)
- Low noise: 14nV/√Hz
- Low offset drift: ±0.3µV/°C (Typical)
- RFI filtered inputs
- Rail-to-rail output
- High common-mode rejection ratio: up to 120dB
- Low-input bias current: 8pA
- Phase-reversal protection
- Stable with capacitive loads up to 300pF
- Available in industry-standard packages: SOT-553, SOIC, VSSOP, TSSOP
Applications
- Tracking amplifier 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 OPA171AIDRLR? The supply voltage range is from 2.7V to 36V (±1.35V to ±18V).
- What is the typical noise level of the OPA171AIDRLR? The typical noise level is 14nV/√Hz.
- What is the offset drift of the OPA171AIDRLR? The offset drift is ±0.3µV/°C (Typical).
- Does the OPA171AIDRLR have phase-reversal protection? Yes, it has internal phase-reversal protection.
- What is the gain bandwidth product of the OPA171AIDRLR? The gain bandwidth product is 3MHz.
- What is the slew rate of the OPA171AIDRLR? The slew rate is 1.5V/µs.
- What is the quiescent current per amplifier for the OPA171AIDRLR? The quiescent current per amplifier is 475µA to 595µA.
- What is the common-mode rejection ratio of the OPA171AIDRLR? The common-mode rejection ratio is up to 120dB.
- What is the input bias current of the OPA171AIDRLR? The input bias current is 8pA.
- What are the typical operating temperature ranges for the OPA171AIDRLR? The operating temperature range is from -40°C to +125°C.
