Overview
The Texas Instruments OPA4170AIPWR is a quad-channel, low-power operational amplifier designed for a wide range of applications. It is part of the OPAx170 family, which includes single, dual, and quad versions, offering maximum design flexibility. This device is notable for its ability to operate on single supplies ranging from 2.7 V to 36 V, making it versatile for various voltage requirements. The OPA4170AIPWR is housed in a TSSOP-14 package and is suitable for use in battery-powered instruments, test equipment, and other precision applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage Range | 2.7 V to 36 V | V |
| Gain Bandwidth Product (GBP) | 1.2 MHz | Hz |
| Slew Rate (G = +1) | 0.4 V/μs | V/s |
| Settling Time to 0.1% (VS = ±18 V, G = +1, 10-V step) | 20 μs | s |
| Settling Time to 0.01% (VS = ±18 V, G = +1, 10-V step) | 28 μs | s |
| Overload Recovery Time | 2 μs | s |
| Total Harmonic Distortion + Noise (G = +1, f = 1 kHz, VO = 3 VRMS) | 0.0002% | % |
| Common-Mode Rejection Ratio (CMRR) | 120 dB | dB |
| Input Bias Current | 15 pA (Maximum) | A |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | TSSOP-14 | - |
Key Features
- Low noise and high common-mode rejection ratio (CMRR) of 120 dB.
- Low input bias current of 15 pA (maximum).
- Operates on single supplies from 2.7 V to 36 V.
- Input signals beyond the supply rails do not cause phase reversal.
- Stable with capacitive loads up to 300 pF.
- Full rail-to-rail input capability with reduced performance within 2 V of the positive rail.
- Low quiescent current and high gain bandwidth product of 1.2 MHz.
- Suitable for use in a wide temperature range from -40°C to +125°C.
Applications
- Battery-powered instruments.
- Test equipment.
- Tracking amplifiers in power modules.
- Merchant power supplies.
- Transducer amplifiers.
- Bridge amplifiers.
- Temperature measurements.
- Strain gauge amplifiers.
- Precision integrators.
Q & A
- What is the supply voltage range of the OPA4170AIPWR?
The OPA4170AIPWR operates on single supplies ranging from 2.7 V to 36 V.
- What is the gain bandwidth product (GBP) of the OPA4170AIPWR?
The gain bandwidth product (GBP) is 1.2 MHz.
- What is the slew rate of the OPA4170AIPWR?
The slew rate is 0.4 V/μs for a gain of +1.
- What is the common-mode rejection ratio (CMRR) of the OPA4170AIPWR?
The CMRR is 120 dB.
- What is the input bias current of the OPA4170AIPWR?
The input bias current is 15 pA (maximum).
- Is the OPA4170AIPWR stable with capacitive loads?
Yes, it is stable with capacitive loads up to 300 pF.
- What is the operating temperature range of the OPA4170AIPWR?
The operating temperature range is from -40°C to +125°C.
- What package type is the OPA4170AIPWR available in?
The OPA4170AIPWR is available in a TSSOP-14 package.
- What are some common applications of the OPA4170AIPWR?
Common applications include battery-powered instruments, test equipment, tracking amplifiers, and precision integrators.
- Does the OPA4170AIPWR support full rail-to-rail input?
Yes, it supports full rail-to-rail input, although performance is reduced within 2 V of the positive rail.
