Overview
The OPA2348AIDCNTG4 is a dual-channel, low-power, CMOS operational amplifier produced by Texas Instruments. It is part of the OPAx348 series, which includes single, dual, and quad-channel variants. This amplifier is designed for low-power applications and features a wide bandwidth of 1 MHz and a low quiescent current of 45 µA. The OPA2348AIDCNTG4 is suitable for single-supply operations ranging from 2.1 V to 5.5 V, making it versatile for various battery-powered and portable devices. Its rail-to-rail input and output capabilities enhance the dynamic range, and the extended temperature range of –40°C to +125°C adds design flexibility.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Bandwidth | 1 MHz | |
| Quiescent Current (IQ) | 45 µA | |
| Supply Voltage Range | 2.1 V to 5.5 V | |
| Input Bias Current | 0.5 pA | |
| Operating Temperature Range | –40°C to +125°C | |
| Package Types | 8-Pin SOIC, 8-Pin SOT-23, 8-Pin VSSOP | |
| Input Offset Voltage (VOS) | 1 to 5 mV | |
| Common-Mode Voltage Range (VCM) | (V–) – 0.2 to (V+) + 0.2 V |
Key Features
- Low quiescent current: 45 µA (typical)
- Rail-to-rail input and output
- Single supply operation: 2.1 V to 5.5 V
- Low input bias current: 0.5 pA
- Micro-size packages: 8-Pin SOIC, 8-Pin SOT-23, 8-Pin VSSOP
- Excellent bandwidth-to-power consumption trade-off
- Unity-gain stable
- Extended temperature range: –40°C to +125°C
Applications
- Portable equipment
- Battery-powered equipment
- Smoke alarms and CO detectors
- Medical instrumentation
- High-impedance sensors
Q & A
- What is the typical quiescent current of the OPA2348AIDCNTG4?
The typical quiescent current is 45 µA.
- What is the bandwidth of the OPA2348AIDCNTG4?
The bandwidth is 1 MHz.
- What is the supply voltage range for the OPA2348AIDCNTG4?
The supply voltage range is from 2.1 V to 5.5 V.
- What are the available package types for the OPA2348AIDCNTG4?
The available package types are 8-Pin SOIC, 8-Pin SOT-23, and 8-Pin VSSOP.
- What is the input bias current of the OPA2348AIDCNTG4?
The input bias current is 0.5 pA.
- What is the operating temperature range of the OPA2348AIDCNTG4?
The operating temperature range is from –40°C to +125°C.
- Is the OPA2348AIDCNTG4 suitable for high-impedance sensors?
Yes, it is suitable for high-impedance sensors due to its low input bias current.
- What are some common applications of the OPA2348AIDCNTG4?
Common applications include portable equipment, battery-powered equipment, smoke alarms, CO detectors, and medical instrumentation.
- Does the OPA2348AIDCNTG4 have rail-to-rail input and output capabilities?
Yes, it features rail-to-rail input and output capabilities.
- Is the OPA2348AIDCNTG4 unity-gain stable?
Yes, it is unity-gain stable.
