Overview
The OPA2348AIDGKR is a dual, low-power, CMOS operational amplifier produced by Texas Instruments. This device is part of the OPAx348 series, known for its single-supply operation, extended bandwidth of 1 MHz, and low quiescent current of 45 μA per channel. The OPA2348AIDGKR features rail-to-rail input and output capabilities, making it versatile for a wide range of applications. It is available in an 8-pin VSSOP package, which is RoHS compliant and free of Sb/Br, enhancing its suitability for environmentally friendly designs.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = 5V, VCM = (V–) + 0.8V | 1 | 5 | 6 | mV |
| Input Offset Voltage Drift (dVOS/dT) | 4 | µV/°C | |||
| Power Supply Rejection Ratio (PSRR) | VS = 2.5V to 5.5V, VCM < (V+) – 1.7V | 60 | 175 | µV/V | |
| Bandwidth | 1 | MHz | |||
| Quiescent Current | 45 | µA | |||
| Operating Temperature Range | -40 | 125 | °C | ||
| Package Type | VSSOP-8 |
Key Features
- Rail-to-Rail Input and Output: The OPA2348AIDGKR can operate with input and output voltages that range from the negative to the positive supply rails, enhancing its versatility in various applications.
- Low Power Consumption: With a quiescent current of 45 μA per channel, this amplifier is suitable for low-power and battery-operated devices.
- High Bandwidth: The device offers an extended bandwidth of 1 MHz, making it suitable for medium-speed applications.
- Single-Supply Operation: The OPA2348AIDGKR can operate on a single supply voltage ranging from 2.7V to 5.5V.
- Compact Packaging: Available in an 8-pin VSSOP package, which is RoHS compliant and free of Sb/Br.
Applications
- Driving A/D Converters: The OPA2348AIDGKR is optimized for driving medium-speed sampling analog-to-digital converters (ADCs), providing signal gain and buffering the ADC input capacitance.
- Speech-Bandpass Filtered Data Acquisition Systems: It can be used in speech-bandpass filtered data acquisition systems, providing necessary amplification and signal conditioning for applications like interfacing with electret microphones.
- Low-Power and Battery-Operated Devices: Its low quiescent current makes it ideal for use in low-power and battery-operated devices.
- General-Purpose Amplification: Suitable for various general-purpose amplification tasks due to its rail-to-rail input and output capabilities and high bandwidth.
Q & A
- What is the typical quiescent current of the OPA2348AIDGKR?
The typical quiescent current is 45 μA per channel.
- What is the bandwidth of the OPA2348AIDGKR?
The bandwidth is 1 MHz.
- What is the operating temperature range of the OPA2348AIDGKR?
The operating temperature range is from -40°C to +125°C.
- What type of package is the OPA2348AIDGKR available in?
The OPA2348AIDGKR is available in an 8-pin VSSOP package.
- Is the OPA2348AIDGKR RoHS compliant?
Yes, the OPA2348AIDGKR is RoHS compliant and free of Sb/Br.
- What is the input offset voltage of the OPA2348AIDGKR?
The input offset voltage is typically 5 mV.
- Can the OPA2348AIDGKR drive A/D converters?
Yes, it is optimized for driving medium-speed sampling analog-to-digital converters (ADCs).
- What is the power supply rejection ratio (PSRR) of the OPA2348AIDGKR?
The PSRR is typically 175 µV/V.
- What is the typical input offset voltage drift of the OPA2348AIDGKR?
The typical input offset voltage drift is 4 µV/°C.
- What is the single-supply voltage range for the OPA2348AIDGKR?
The single-supply voltage range is from 2.7V to 5.5V.
