Overview
The OPA4171AQPWRQ1 is a general-purpose operational amplifier produced by Texas Instruments. This device is part of the OPAx171-Q1 family, which is known for its high overall performance, making it ideal for various general-purpose applications. It is particularly optimized for low power consumption, rail-to-rail output, and high common-mode rejection, making it suitable for automotive and other demanding environments. The OPA4171AQPWRQ1 operates over a wide supply voltage range from 2.7 V to 36 V (±1.35 V to ±18 V), ensuring versatility in different system designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 2.7 | - | 36 | V |
| Operating Temperature | -40 | - | 125 | °C |
| Input Bias Current | - | 10 | - | pA |
| Offset Voltage Drift | - | ±0.3 | - | µV/°C |
| Gain Bandwidth Product (GBP) | - | 3 | - | MHz |
| Slew Rate (G = 1) | - | 1.5 | - | V/µs |
| Quiescent Current per Amplifier | - | 475 | 595 | µA |
| Common-Mode Rejection Ratio (CMRR) | - | 120 | - | dB |
| Output Voltage Swing (RL = 10 kΩ) | (V-) + 0.35 | - | (V+) - 0.35 | V |
Key Features
- Qualified for automotive applications with AEC-Q100 test guidance.
- Wide supply voltage range: 2.7 V to 36 V (±1.35 V to ±18 V).
- Low noise: 14 nV/√Hz at 1 kHz.
- Low offset drift: ±0.3 µV/°C (typical).
- Rail-to-rail output.
- High common-mode rejection ratio (CMRR): 120 dB (typical).
- Low quiescent current: 475 µA per amplifier.
- Stable with capacitive loads up to 300 pF.
- Industry-standard packages, including TSSOP-14.
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 operating temperature range of the OPA4171AQPWRQ1?
The OPA4171AQPWRQ1 operates over a temperature range of -40°C to +125°C. - What is the supply voltage range for the OPA4171AQPWRQ1?
The supply voltage range is from 2.7 V to 36 V (±1.35 V to ±18 V). - What is the typical input bias current of the OPA4171AQPWRQ1?
The typical input bias current is 10 pA. - What is the gain bandwidth product (GBP) of the OPA4171AQPWRQ1?
The gain bandwidth product is 3 MHz. - What is the slew rate of the OPA4171AQPWRQ1?
The slew rate is 1.5 V/µs for a gain of 1. - How much quiescent current does the OPA4171AQPWRQ1 consume per amplifier?
The quiescent current per amplifier is typically 475 µA. - What is the common-mode rejection ratio (CMRR) of the OPA4171AQPWRQ1?
The CMRR is typically 120 dB. - Is the OPA4171AQPWRQ1 stable with capacitive loads?
Yes, it is stable with capacitive loads up to 300 pF. - What are some common applications of the OPA4171AQPWRQ1?
Common applications include tracking amplifiers, transducer amplifiers, bridge amplifiers, temperature measurements, strain gauge amplifiers, and test equipment. - What package types are available for the OPA4171AQPWRQ1?
The OPA4171AQPWRQ1 is available in a TSSOP-14 package among others.
