Overview
The OPA170AIDBVR is a part of the OPAx170 family of operational amplifiers produced by Texas Instruments. This device is a single-supply, low-noise operational amplifier that operates over a wide supply voltage range from 2.7 V to 36 V. It is available in the SOT-23 (DBV) package, making it suitable for space-constrained applications. The OPA170AIDBVR features low quiescent current, high common-mode rejection ratio, and rail-to-rail output, making it versatile for various analog signal processing tasks.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.7 to 36 | V |
| Input Voltage Noise Density | 19 | nV/√Hz at 1 kHz |
| Gain Bandwidth Product | 1.2 | MHz |
| Slew Rate | 0.4 | V/µs |
| Quiescent Current per Amplifier | 110 | µA at 25°C |
| Common-Mode Rejection Ratio | 120 | dB at ±18 V |
| Input Bias Current | 15 | pA at 25°C |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOT-23 (DBV) | - |
Key Features
- Low noise: 19 nV/√Hz at 1 kHz
- RFI filtered inputs
- Input range includes the negative supply and operates to within 2 V of the positive supply
- Rail-to-rail output
- Low quiescent current: 110 µA per amplifier at 25°C
- High common-mode rejection ratio: up to 120 dB
- Low bias current: 15 pA maximum at 25°C
- Stable with capacitive loads up to 300 pF
- No phase reversal for input signals beyond the supply rails
Applications
- Tracking amplifiers 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 OPA170AIDBVR?
The supply voltage range is from 2.7 V to 36 V.
- What is the input voltage noise density of the OPA170AIDBVR?
The input voltage noise density is 19 nV/√Hz at 1 kHz.
- What is the gain bandwidth product of the OPA170AIDBVR?
The gain bandwidth product is 1.2 MHz.
- What is the slew rate of the OPA170AIDBVR?
The slew rate is 0.4 V/µs.
- What is the quiescent current per amplifier of the OPA170AIDBVR at 25°C?
The quiescent current per amplifier is 110 µA at 25°C.
- What is the common-mode rejection ratio of the OPA170AIDBVR?
The common-mode rejection ratio is up to 120 dB at ±18 V.
- What is the input bias current of the OPA170AIDBVR at 25°C?
The input bias current is 15 pA maximum at 25°C.
- What is the operating temperature range of the OPA170AIDBVR?
The operating temperature range is from -40°C to 125°C.
- In what package type is the OPA170AIDBVR available?
The OPA170AIDBVR is available in the SOT-23 (DBV) package.
- What are some common applications of the OPA170AIDBVR?
Common applications include tracking amplifiers in power modules, merchant power supplies, transducer amplifiers, bridge amplifiers, temperature measurements, strain gauge amplifiers, precision integrators, battery-powered instruments, and test equipment.
