Overview
The OPA2347EA/250G4 is a dual, microPower operational amplifier produced by Texas Instruments. This device is part of the OPA347 series, known for its low power consumption and compact packaging. The OPA2347EA/250G4 is available in an 8-pin SOT23-8 package, making it ideal for space-constrained and battery-powered applications. It features a high speed/power ratio, rail-to-rail input and output, and operates on a single supply voltage from 2.3V to 5.5V. This versatility and performance make it suitable for a wide range of applications, including portable equipment, battery-powered devices, and sensor systems.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = 5.5V, VCM = (V–) + 0.8V | 2 | 6 | mV | |
| Drift (dVOS/dT) | 3 | µV/°C | |||
| Power Supply Rejection Ratio (PSRR) | VS = 2.5V to 5.5V, VCM < (V+) – 1.7V | ||||
| Specified Voltage Range (VS) | 2.5 | 5.5 | V | ||
| Minimum Operating Voltage | 2.3 | V | |||
| Quiescent Current (IQ) per amplifier | IO = 0 | 20 | 34 | µA | |
| Bandwidth | 350 | kHz | |||
| Operating Temperature Range | –55 | 125 | °C | ||
| Slew Rate | 0.17 | V/µs |
Key Features
- Low power consumption: 34µA per channel maximum.
- MicroSIZE packages: Available in SOT23-8 and WCSP-8 packages.
- Rail-to-rail input and output swing.
- Single supply operation: From 2.3V to 5.5V.
- High speed/power ratio with a bandwidth of 350kHz.
- Unity-gain stable.
- Excellent temperature range: Specified from –55°C to +125°C.
- Capable of driving up to 250pF pure capacitive load in unity-gain configuration.
Applications
- Portable equipment.
- Battery-powered equipment.
- 2-wire transmitters.
- Smoke detectors.
- CO detectors.
- Sensor systems.
- General-purpose analog signal processing.
Q & A
- What is the typical quiescent current of the OPA2347EA/250G4? The typical quiescent current is 34µA per channel.
- What is the operating voltage range of the OPA2347EA/250G4? The device operates on a single supply voltage from 2.3V to 5.5V.
- What is the bandwidth of the OPA2347EA/250G4? The bandwidth is 350kHz.
- What are the available package types for the OPA2347EA/250G4? It is available in SOT23-8 and WCSP-8 packages.
- Is the OPA2347EA/250G4 rail-to-rail? Yes, it features rail-to-rail input and output swing.
- What is the slew rate of the OPA2347EA/250G4? The slew rate is 0.17V/µs.
- What is the typical operating temperature range of the OPA2347EA/250G4? The device is specified for operation from –55°C to +125°C.
- Can the OPA2347EA/250G4 drive capacitive loads? Yes, it can directly drive up to 250pF pure capacitive load in unity-gain configuration.
- Is the OPA2347EA/250G4 RoHS compliant? Yes, it is RoHS compliant.
- What are some common applications of the OPA2347EA/250G4? Common applications include portable equipment, battery-powered devices, 2-wire transmitters, smoke detectors, and CO detectors.
