Overview
The OPA703NA/3K is a high-performance, single-channel operational amplifier produced by Texas Instruments. This CMOS, rail-to-rail input and output operational amplifier is designed for a wide range of applications requiring low power consumption and high accuracy. The OPA703NA/3K is part of the OPA703 series, known for its low quiescent current, high speed, and full-scale common-mode rejection ratio (CMRR).
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Gain Bandwidth Product (GBW) | 1 | MHz |
| Slew Rate | 0.6 | V/µs |
| Input Bias Current | 1 | pA |
| Input Offset Voltage | ±160 | µV |
| Quiescent Current (per amplifier) | 160 | µA |
| Supply Voltage Range (Single Supply) | 4 to 12 | V |
| Supply Voltage Range (Dual Supplies) | ±2 to ±6 | V |
| Operating Temperature Range | -40 to +85 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Package Type | SOT-23-5 | |
| Mounting Type | Surface Mount |
Key Features
- Rail-to-rail input and output capability, extending 300mV beyond the supply rails at room temperature.
- Low quiescent current of 160µA, making it suitable for low-power applications.
- High speed with a gain bandwidth product of 1MHz and a slew rate of 0.6V/µs.
- Low input bias current of 1pA and low input offset voltage of ±160µV.
- Full-scale CMRR of 90dB, ensuring high common-mode rejection.
- Available in microSIZE packages such as SOT23-5, MSOP-8, and TSSOP-14.
Applications
- Automotive applications: audio, sensor applications, and security systems.
- Portable equipment due to its low power consumption and small package size.
- Active filters and transducer amplifiers where high accuracy and low noise are required.
Q & A
- What is the gain bandwidth product (GBW) of the OPA703NA/3K?
The GBW of the OPA703NA/3K is 1MHz.
- What is the slew rate of the OPA703NA/3K?
The slew rate is 0.6V/µs.
- What is the input bias current of the OPA703NA/3K?
The input bias current is 1pA.
- What is the input offset voltage of the OPA703NA/3K?
The input offset voltage is ±160µV.
- What is the quiescent current of the OPA703NA/3K?
The quiescent current is 160µA.
- What are the supply voltage ranges for the OPA703NA/3K?
The supply voltage range is 4V to 12V for single supply and ±2V to ±6V for dual supplies.
- What is the operating temperature range of the OPA703NA/3K?
The operating temperature range is -40°C to +85°C.
- In what package types is the OPA703NA/3K available?
The OPA703NA/3K is available in SOT-23-5 and other microSIZE packages.
- What are some common applications of the OPA703NA/3K?
Common applications include automotive systems, portable equipment, active filters, and transducer amplifiers.
- Is the OPA703NA/3K suitable for low-power applications?
Yes, it is suitable due to its low quiescent current of 160µA.
