Overview
The OPA4172IDR, manufactured by Texas Instruments, is a quad, 36-V, single-supply, low-noise operational amplifier. This device is part of the OPAx172 family, which includes the OPA172 and OPA2172. It is designed to operate on supplies ranging from +4.5 V to +36 V (or ±2.25 V to ±18 V) and features a rail-to-rail output, making it versatile for various high-voltage applications. The OPA4172IDR is known for its low offset voltage, low offset drift, and high common-mode rejection ratio, making it suitable for precision analog circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | +4.5 V to +36 V (±2.25 V to ±18 V) |
| Offset Voltage | ±0.2 mV |
| Offset Drift | ±0.3 µV/°C |
| Gain Bandwidth Product | 10 MHz |
| Slew Rate | 10 V/µs |
| Input Bias Current | ±8 pA |
| Common-Mode Rejection Ratio | 120 dB |
| Open-Loop Gain | 107 dB to 115 dB |
| Settling Time (to 0.1%) | 10-V step, G = +1 |
| Operating Temperature Range | -40°C to +125°C |
| Package Types | SOIC-14, TSSOP-14, WSON-8 |
Key Features
- Rail-to-rail output
- Low offset voltage and drift
- High common-mode rejection ratio (120 dB)
- Low input bias current (±8 pA)
- Gain bandwidth product of 10 MHz
- Slew rate of 10 V/µs
- Industry-standard packages including SOIC-14, TSSOP-14, and WSON-8
Applications
- Tracking amplifiers in power modules
- Merchant power supplies
- Transducer amplifiers
- Bridge amplifiers
- Temperature measurements
- Strain gauge amplifiers
- Precision integrators
- Test equipment
Q & A
- What is the supply voltage range of the OPA4172IDR?
The supply voltage range is from +4.5 V to +36 V (or ±2.25 V to ±18 V). - What is the offset voltage of the OPA4172IDR?
The offset voltage is ±0.2 mV. - What is the gain bandwidth product of the OPA4172IDR?
The gain bandwidth product is 10 MHz. - What is the slew rate of the OPA4172IDR?
The slew rate is 10 V/µs. - What are the common package types for the OPA4172IDR?
The common package types include SOIC-14, TSSOP-14, and WSON-8. - What is the operating temperature range of the OPA4172IDR?
The operating temperature range is -40°C to +125°C. - What are some typical applications of the OPA4172IDR?
Typical applications include tracking amplifiers in power modules, merchant power supplies, transducer amplifiers, bridge amplifiers, temperature measurements, strain gauge amplifiers, precision integrators, and test equipment. - What is the common-mode rejection ratio of the OPA4172IDR?
The common-mode rejection ratio is 120 dB. - What is the input bias current of the OPA4172IDR?
The input bias current is ±8 pA. - What is the settling time of the OPA4172IDR to 0.1%?
The settling time is for a 10-V step with a gain of +1.
