Overview
The OPA4140AIPWR is a quad operational amplifier from Texas Instruments, part of the OPAx140 family. This device is known for its low-power JFET input amplifiers, offering excellent drift and low input bias current. It features a rail-to-rail output swing and an input range that includes the negative supply voltage, making it suitable for interfacing with modern single-supply precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). The OPA4140AIPWR operates on a single supply voltage from 4.5 V to 36 V or dual supplies from ±2.25 V to ±18 V and is fully specified from –40°C to +125°C, making it versatile for various environmental conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single) | 4.5 | 36 | V | |
| Supply Voltage (Dual) | ±2.25 | ±18 | V | |
| Input Offset Voltage | ±120 | ±220 | μV | |
| Input Offset Voltage Drift | ±1 | ±1 | μV/°C | |
| Input Bias Current | ±10 | pA | ||
| Slew Rate | 20 | V/μs | ||
| Gain Bandwidth Product | 11 | MHz | ||
| Quiescent Current per Amplifier | 1.8 | 2 | 2.7 | mA |
| Operating Temperature Range | –40 | +125 | °C | |
| Package | 14-Pin SOIC, 14-Pin TSSOP |
Key Features
- Very-low offset drift: 1 μV/°C maximum
- Very-low offset: 120 μV
- Low input bias current: 10 pA maximum
- Very-low 1/f noise: 250 nVPP, 0.1 Hz to 10 Hz
- Low noise: 5.1 nV/√Hz
- Slew rate: 20 V/μs
- Low supply current: 2 mA maximum per amplifier
- Input voltage range includes V– supply
- Single-supply operation: 4.5 V to 36 V
- Dual-supply operation: ±2.25 V to ±18 V
- No phase reversal
Applications
- Intra-dc interconnect (metro)
- Semiconductor test
- Chemistry and gas analyzers
- DC power supply, AC source, electronic load
- Data acquisition (DAQ)
- Lab and field instrumentation
Q & A
- What is the typical input offset voltage of the OPA4140AIPWR?
The typical input offset voltage is ±120 μV.
- What is the slew rate of the OPA4140AIPWR?
The slew rate is 20 V/μs.
- What are the operating supply voltage ranges for the OPA4140AIPWR?
The device can operate on a single supply from 4.5 V to 36 V or dual supplies from ±2.25 V to ±18 V.
- What is the quiescent current per amplifier for the OPA4140AIPWR?
The quiescent current per amplifier is typically 2 mA, with a maximum of 2.7 mA.
- What are the available packages for the OPA4140AIPWR?
The device is available in 14-Pin SOIC and 14-Pin TSSOP packages).
- What is the gain bandwidth product of the OPA4140AIPWR?
The gain bandwidth product is 11 MHz).
- What is the input bias current of the OPA4140AIPWR?
The input bias current is typically ±10 pA).
- What are some common applications of the OPA4140AIPWR?
Common applications include intra-dc interconnect, semiconductor test, chemistry and gas analyzers, DC power supply, AC source, electronic load, data acquisition (DAQ), and lab and field instrumentation).
- What is the operating temperature range of the OPA4140AIPWR?
The device operates from –40°C to +125°C).
- Does the OPA4140AIPWR have phase reversal?
No, the OPA4140AIPWR does not have phase reversal).
