Overview
The OPA4348AIDRG4, part of the OPAx348 series from Texas Instruments, is a low-power, single-supply, CMOS operational amplifier. This device is characterized by its extended bandwidth of 1 MHz and a low supply current of 45 µA, making it highly suitable for low-power applications. The OPA4348AIDRG4 is a quad-channel operational amplifier, offering rail-to-rail input and output, and is available in space-saving 14-pin TSSOP and SOIC packages. The device operates over a wide supply voltage range of 2.1 V to 5.5 V and has an extended temperature range of –40°C to +125°C, providing design flexibility for various applications.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Current | - | - | 45 | - | µA |
| Input Bias Current | - | - | 0.5 | - | pA |
| Bandwidth | - | - | 1 | - | MHz |
| Supply Voltage Range | - | 2.1 | - | 5.5 | V |
| Input Offset Voltage (VOS) | VS = 5 V, VCM = (V–) + 0.8 V | 1 | 5 | 6 | mV |
| Input Offset Voltage Drift (dVOS/dT) | TA = –40°C to 125°C | - | 4 | - | µV/°C |
| Power Supply Rejection Ratio (PSRR) | VS = 2.5 V to 5.5 V, VCM < (V+) – 1.7 V | 60 | 175 | - | µV/V |
| Package Types | - | - | - | - | 14-pin TSSOP, 14-pin SOIC |
| Operating Temperature Range | - | -40 | - | 125 | °C |
Key Features
- Low supply current: 45 µA typical
- Rail-to-rail input and output
- Single supply operation: 2.1 V to 5.5 V
- Input bias current: 0.5 pA
- Extended bandwidth: 1 MHz
- Micro-size packages: 14-pin TSSOP and 14-pin SOIC
- 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
- CO detectors
- Medical instrumentation
Q & A
- What is the typical supply current of the OPA4348AIDRG4?
The typical supply current is 45 µA.
- What is the input bias current of the OPA4348AIDRG4?
The input bias current is 0.5 pA.
- What is the bandwidth of the OPA4348AIDRG4?
The bandwidth is 1 MHz.
- What are the available package types for the OPA4348AIDRG4?
The device is available in 14-pin TSSOP and 14-pin SOIC packages.
- What is the operating temperature range of the OPA4348AIDRG4?
The operating temperature range is –40°C to +125°C.
- Is the OPA4348AIDRG4 suitable for low-power applications?
- What are some common applications of the OPA4348AIDRG4?
- Does the OPA4348AIDRG4 have rail-to-rail input and output capabilities?
- What is the supply voltage range for the OPA4348AIDRG4?
- Is the OPA4348AIDRG4 unity-gain stable?
