Overview
The OPA170AQDBVRQ1 is a 36-V, single-supply, low-power operational amplifier designed for automotive applications. It is part of the OPAx170-Q1 family, which includes the OPA170-Q1, OPA2170-Q1, and OPA4170-Q1. These amplifiers are qualified for automotive use and are AEC-Q100 certified, ensuring reliability and performance in harsh environments. The OPA170AQDBVRQ1 operates from a supply range of 2.7 V to 36 V, making it versatile for various automotive systems. It features low noise, rail-to-rail output, and high common-mode rejection, making it suitable for precision applications such as temperature measurements and strain gauge amplifiers.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 2.7 | - | 36 | V |
| Input Offset Voltage (VOS) | - | 0.25 | 1.8 | mV |
| Input Offset Voltage Drift (dVOS/dT) | - | - | 2 | µV/°C |
| Input Bias Current (IB) | - | - | 15 | pA |
| Input Voltage Noise Density | - | 19 | - | nV/√Hz @ 1 kHz |
| Gain Bandwidth | - | 1.2 | - | MHz |
| Quiescent Current per Amplifier | - | 110 | 145 | µA @ 25°C |
| Common-Mode Rejection Ratio (CMRR) | - | - | 120 | dB |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | SOT-23 (5-pin) | - |
Key Features
- AEC-Q100 Qualified: Ensures the device meets automotive standards for reliability and performance.
- Wide Supply Range: Operates from 2.7 V to 36 V, making it versatile for various automotive systems.
- Low Noise: Features an input voltage noise density of 19 nV/√Hz at 1 kHz.
- Rail-to-Rail Output: Provides full output swing to the supply rails.
- High Common-Mode Rejection Ratio (CMRR): Up to 120 dB, ensuring good rejection of common-mode signals.
- Low Quiescent Current: Only 110 µA per amplifier, which is beneficial for power-sensitive applications.
- RFI Filtered Inputs: Reduces radio-frequency interference.
- Stable with Capacitive Loads: Stable with loads up to 300 pF.
Applications
- Automotive Systems: Suitable for various automotive applications due to its AEC-Q100 qualification.
- HEV and EV Power Trains: Used in hybrid and electric vehicle power train systems.
- Advanced Driver Assist Systems (ADAS): Utilized in ADAS for precise signal processing.
- Automatic Climate Controls: Employed in climate control systems for accurate temperature sensing.
- Temperature Measurements: Ideal for precise temperature measurements.
- Strain Gauge Amplifiers: Used in strain gauge applications for accurate signal amplification.
- Precision Integrators: Suitable for precision integration tasks.
Q & A
- What is the supply voltage range of the OPA170AQDBVRQ1?
The OPA170AQDBVRQ1 operates from a supply range of 2.7 V to 36 V.
- What is the input offset voltage of the OPA170AQDBVRQ1?
The input offset voltage (VOS) is typically 0.25 mV and can be up to 1.8 mV.
- What is the gain bandwidth of the OPA170AQDBVRQ1?
The gain bandwidth is 1.2 MHz.
- Is the OPA170AQDBVRQ1 stable with capacitive loads?
Yes, it is stable with capacitive loads up to 300 pF.
- What is the common-mode rejection ratio (CMRR) of the OPA170AQDBVRQ1?
The CMRR is up to 120 dB.
- What is the quiescent current per amplifier for the OPA170AQDBVRQ1?
The quiescent current per amplifier is typically 110 µA at 25°C.
- What are the key applications of the OPA170AQDBVRQ1?
Key applications include automotive systems, HEV and EV power trains, ADAS, automatic climate controls, temperature measurements, strain gauge amplifiers, and precision integrators.
- Is the OPA170AQDBVRQ1 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified, ensuring it meets automotive standards for reliability and performance.
- What is the operating temperature range of the OPA170AQDBVRQ1?
The operating temperature range is from -40°C to 125°C.
- What package type is the OPA170AQDBVRQ1 available in?
The OPA170AQDBVRQ1 is available in a SOT-23 (5-pin) package.
