Overview
The OPA2345EA/250 is a low-power, single-supply, rail-to-rail operational amplifier produced by Texas Instruments. This dual-channel amplifier is designed for applications requiring high precision and low power consumption. It is part of the MicroAmplifier™ series and is packaged in a VSSOP-8 form factor. The OPA2345EA/250 is suitable for a wide range of applications, including portable devices, sensor interfaces, and battery-powered systems, due to its low input bias current and rail-to-rail input/output capabilities.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Operational Amplifiers | - | - |
| RoHS | Yes | - | - |
| Installation Style | SMD/SMT | - | - |
| Package / Case | VSSOP-8 | - | - |
| Maximum Supply Voltage | 5.5 | V | - |
| Number of Channels | 2 | Channel | - |
| Gain Bandwidth Product | 3 | MHz | - |
| Slew Rate | 2 | V/µs | - |
| Common Mode Rejection Ratio | 76 to 92 | dB | - |
| Input Bias Current | 1 | pA | - |
| Input Offset Voltage | 1 | mV | - |
| Minimum Supply Voltage | 2.7 | V | - |
| Operating Supply Current | 150 | µA | - |
| Minimum Operating Temperature | -40 | °C | - |
| Maximum Operating Temperature | 85 | °C | - |
| Shutdown | No | - | - |
| Series | OPA2345 | - | - |
| Amplifier Type | Low Input Bias Current Amplifier | - | - |
| Input Type | Rail-to-Rail | - | - |
| Output Type | Rail-to-Rail | - | - |
| Technology | CMOS | - | - |
| Height | 0.97 | mm | - |
| Length | 3 | mm | - |
| Width | 3 | mm | - |
| Supply Type | Single | - | - |
| Factory Pack Quantity | 250 | - | - |
Key Features
- Low power consumption with a supply current of 150 µA.
- Rail-to-rail input and output for maximum dynamic range.
- Low input bias current of 1 pA, ideal for high-impedance sensor applications.
- Gain bandwidth product of 3 MHz, suitable for low-frequency signal processing.
- Operates from a single supply voltage ranging from 2.7 V to 5.5 V.
- Compact VSSOP-8 package for space-constrained designs.
Applications
The OPA2345EA/250 is widely used in various applications, including portable electronics, sensor signal conditioning, and battery-powered systems. Its rail-to-rail input/output capability makes it suitable for interfacing with sensors and other low-voltage devices. Additionally, its low power consumption and small form factor make it ideal for use in handheld devices and IoT applications.
Q & A
1. What is the operating voltage range of the OPA2345EA/250?
The operating voltage range is from 2.7 V to 5.5 V.
2. Is the OPA2345EA/250 RoHS compliant?
Yes, it is RoHS compliant.
3. What is the gain bandwidth product of this amplifier?
The gain bandwidth product is 3 MHz.
4. Does the OPA2345EA/250 support rail-to-rail input and output?
Yes, it supports rail-to-rail input and output.
5. What is the typical input bias current?
The typical input bias current is 1 pA.
6. What is the package type of the OPA2345EA/250?
It comes in a VSSOP-8 package.
7. What is the maximum supply voltage for this amplifier?
The maximum supply voltage is 5.5 V.
8. Is the OPA2345EA/250 suitable for battery-powered applications?
Yes, its low power consumption makes it ideal for battery-powered applications.
9. What is the operating temperature range?
The operating temperature range is from -40°C to 85°C.
10. Does the OPA2345EA/250 have a shutdown feature?
No, it does not have a shutdown feature.
