Overview
The OPA2317IDR is a dual-channel, low-offset, rail-to-rail input/output (I/O) operational amplifier (op-amp) produced by Texas Instruments. This component is part of the OPAx317 series, which is designed for precision applications requiring minimal offset voltage and drift over time and temperature. The OPA2317IDR is packaged in an SOP-8 format, making it suitable for space-constrained designs. It is ideal for battery-powered instruments, temperature measurement, and sensor applications due to its low power consumption and high accuracy.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 2 | - | - |
| Total Supply Voltage (Max) | 5.5 | V | - |
| Total Supply Voltage (Min) | 1.8 | V | - |
| Offset Voltage (Max) | 90 | µV | @25°C |
| Gain Bandwidth Product (Typ) | 0.3 | MHz | - |
| Slew Rate (Typ) | 0.15 | V/µs | - |
| Input Offset Drift (Typ) | 0.05 | µV/°C | - |
| Quiescent Current (Typ) | 0.021 | mA | Per channel |
| Input Noise Voltage (Typ) | 55 | nV/√Hz | @1 kHz |
| CMRR (Typ) | 108 | dB | - |
| Operating Temperature Range | -40 to 125 | °C | - |
| Package | SOP-8 | - | - |
Key Features
- Low offset voltage and drift for precision applications.
- Rail-to-rail input and output for maximum dynamic range.
- Low quiescent current (35 µA max) for battery-powered designs.
- Internal EMI and RFI filtering for robust performance in noisy environments.
- Optimized for operation at low supply voltages (1.8V to 5.5V).
Applications
The OPA2317IDR is widely used in precision applications such as battery-powered instruments, temperature measurement systems, and sensor interfaces. Its low offset voltage and drift make it suitable for electronic scales, medical instruments, and handheld test equipment. Additionally, its rail-to-rail I/O capability and low power consumption are advantageous in current sensing and other industrial applications.
Q & A
1. What is the operating voltage range of the OPA2317IDR?
The operating voltage range is 1.8V to 5.5V.
2. What is the typical offset voltage of the OPA2317IDR?
The typical offset voltage is 20 µV.
3. What is the maximum offset voltage drift of the OPA2317IDR?
The maximum offset voltage drift is 0.05 µV/°C.
4. What is the gain bandwidth product of the OPA2317IDR?
The gain bandwidth product is 0.3 MHz.
5. What is the slew rate of the OPA2317IDR?
The slew rate is 0.15 V/µs.
6. What is the typical quiescent current per channel?
The typical quiescent current is 0.021 mA per channel.
7. What is the input noise voltage at 1 kHz?
The input noise voltage is 55 nV/√Hz at 1 kHz.
8. What is the CMRR of the OPA2317IDR?
The CMRR is 108 dB.
9. What is the operating temperature range of the OPA2317IDR?
The operating temperature range is -40°C to 125°C.
10. What package does the OPA2317IDR come in?
The OPA2317IDR is available in an SOP-8 package.
