Overview
The OPA2344EA/2K5 is a part of the OPA2344 series of low-power, single-supply, rail-to-rail CMOS operational amplifiers produced by Texas Instruments. These amplifiers are designed for precision and are suitable for miniature applications. The OPA2344 series includes single, dual, and quad versions, offering design flexibility. They operate on a single supply voltage ranging from 2.5V to 5.5V and are characterized by their low quiescent current and high gain-bandwidth product, making them ideal for a variety of applications including general-purpose, audio, and data acquisition systems.
Key Specifications
| Parameter | Condition | Min | Max | Units | |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = +5.5V, VCM = VS/2 | ±0.2 | ±1 | ±1 | mV |
| Input Bias Current (Max) | 1 | 1 | pA | ||
| Quiescent Current per Channel (Typ/Max) | 0.15 | 0.25 | mA | ||
| Gain-Bandwidth Product (Typ) | 1 | MHz | |||
| Slew Rate (Typ) | 0.8 | V/µs | |||
| Common Mode Rejection Ratio (CMRR) (Typ/Min) | 76 | 92 | dB | ||
| Operating Temperature Range | -40 | 85 | °C | ||
| Total Supply Voltage (Min/Max) | 2.5 | 5.5 | V |
Key Features
- Rail-to-rail input and output, making them ideal for driving sampling analog-to-digital converters and providing I/V conversion at the output of D/A converters.
- Low quiescent current: 150µA typical and 250µA maximum per channel.
- High gain-bandwidth product: 1MHz for the OPA2344.
- Low slew rate: 0.8V/µs.
- Low input bias current: 1pA maximum.
- High common mode rejection ratio (CMRR): 92dB typical.
- Single, dual, and quad versions available for design flexibility.
- Operating temperature range: -40°C to 85°C.
- Available in various packages including VSSOP, SOIC, and PDIP.
Applications
- PCMCIA cards
- Data acquisition systems
- Process control systems
- Audio processing
- Communications equipment
- Active filters
- Test equipment
Q & A
- What is the typical quiescent current of the OPA2344EA/2K5?
The typical quiescent current is 150µA per channel.
- What is the gain-bandwidth product of the OPA2344EA/2K5?
The gain-bandwidth product is 1MHz.
- What is the slew rate of the OPA2344EA/2K5?
The slew rate is 0.8V/µs.
- What is the input bias current of the OPA2344EA/2K5?
The input bias current is 1pA maximum.
- What is the common mode rejection ratio (CMRR) of the OPA2344EA/2K5?
The CMRR is 92dB typical.
- What is the operating temperature range of the OPA2344EA/2K5?
The operating temperature range is -40°C to 85°C.
- In what packages is the OPA2344EA/2K5 available?
The OPA2344EA/2K5 is available in VSSOP, SOIC, and PDIP packages.
- What are some typical applications of the OPA2344EA/2K5?
Typical applications include PCMCIA cards, data acquisition systems, process control systems, audio processing, communications equipment, active filters, and test equipment.
- Is the OPA2344EA/2K5 RoHS compliant?
Yes, the OPA2344EA/2K5 is RoHS compliant.
- What is the maximum total supply voltage for the OPA2344EA/2K5?
The maximum total supply voltage is 5.5V.
