Overview
The OPA314AIDCKR is a single-channel operational amplifier from Texas Instruments, part of the OPA314 family. This device represents a new generation of low-power, general-purpose CMOS amplifiers. It is designed for low-voltage operation, with rail-to-rail input and output swings, low quiescent current, and a wide bandwidth of 3 MHz. The OPA314AIDCKR is optimized for battery-powered applications, offering a balance between cost and performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 1.8 V to 5.5 V | V |
| Quiescent Current (IQ) | 150 µA/ch | µA |
| Gain Bandwidth | 3 MHz | MHz |
| Input Voltage Noise | 14 nV/√Hz at 1 kHz | nV/√Hz |
| Input Bias Current | 0.2 pA | pA |
| Offset Voltage | 0.5 mV | mV |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | SOT-SC70 (DCK) | |
| Pins | 5 |
Key Features
- Low quiescent current: 150 µA per channel
- Wide supply range: 1.8 V to 5.5 V
- Low noise: 14 nV/√Hz at 1 kHz
- Gain bandwidth: 3 MHz
- Low input bias current: 0.2 pA
- Low offset voltage: 0.5 mV
- Unity-gain stable
- Internal RF/EMI filter
- Extended temperature range: –40°C to 125°C
- No phase reversal in overdrive conditions
- High electrostatic discharge (ESD) protection: 4-kV HBM
Applications
- Battery-powered instruments
- Consumer electronics
- Industrial applications
- Medical devices
- Notebooks and portable media players
Q & A
- What is the supply voltage range of the OPA314AIDCKR?
The supply voltage range is from 1.8 V to 5.5 V.
- What is the quiescent current of the OPA314AIDCKR?
The quiescent current is 150 µA per channel.
- What is the gain bandwidth of the OPA314AIDCKR?
The gain bandwidth is 3 MHz.
- What is the input voltage noise of the OPA314AIDCKR?
The input voltage noise is 14 nV/√Hz at 1 kHz.
- What is the input bias current of the OPA314AIDCKR?
The input bias current is 0.2 pA.
- What is the operating temperature range of the OPA314AIDCKR?
The operating temperature range is from –40°C to 125°C.
- What type of package does the OPA314AIDCKR come in?
The OPA314AIDCKR comes in a SOT-SC70 (DCK) package with 5 pins.
- Does the OPA314AIDCKR have internal RF/EMI filtering?
- What is the ESD protection level of the OPA314AIDCKR?
The ESD protection level is 4-kV HBM.
- Is the OPA314AIDCKR unity-gain stable?
