Overview
The OPA336N/3K is a single-supply, microPower CMOS operational amplifier from Texas Instruments, part of the MicroAmplifier™ Series. Designed for battery-powered applications, this amplifier operates on a single supply voltage as low as 2.1V and is available in a compact SOT-23 (DBV) package with 5 pins. The OPA336 series is characterized by its low quiescent current, rail-to-rail output, and low offset voltage, making it ideal for a variety of portable and high-impedance applications.
Key Specifications
| Parameter | Condition | Min | Typ | Max |
|---|---|---|---|---|
| Supply Voltage | 2.3V | 5.5V | ||
| Operating Temperature Range | -40°C | +85°C | ||
| Storage Temperature Range | -55°C | +125°C | ||
| Junction Temperature | 150°C | |||
| Lead Temperature (soldering, 10s) | 300°C | |||
| Quiescent Current per Amplifier | 20µA | |||
| Offset Voltage | 125µV | |||
| Input Bias Current | 1pA | |||
| Open-Loop Gain | 115dB | |||
| Output Voltage Swing | RL = 100kΩ | Within 3mV of supplies |
Key Features
- SINGLE-SUPPLY OPERATION: Operates from a single supply voltage as low as 2.1V.
- RAIL-TO-RAIL OUTPUT: Output swings to within 3mV of the supplies with a 100k load.
- MicroPOWER: Low quiescent current of 20µA per amplifier.
- MicroSIZE PACKAGES: Available in compact SOT-23 (DBV) and SO-8 packages.
- LOW OFFSET VOLTAGE: Maximum offset voltage of 125µV.
- LOW INPUT BIAS CURRENT: Input bias current of approximately 1pA.
- HIGH OPEN-LOOP GAIN: Open-loop gain of 115dB.
- SINGLE, DUAL, AND QUAD VERSIONS: Available in single, dual, and quad configurations with identical specifications.
Applications
- BATTERY-POWERED INSTRUMENTS
- PORTABLE DEVICES
- HIGH-IMPEDANCE APPLICATIONS
- PHOTODIODE PRE-AMPS
- PRECISION INTEGRATORS
- MEDICAL INSTRUMENTS
- TEST EQUIPMENT
Q & A
- What is the minimum supply voltage for the OPA336N/3K?
The minimum supply voltage is 2.3V.
- What is the maximum operating temperature for the OPA336N/3K?
The maximum operating temperature is +85°C.
- What is the quiescent current per amplifier for the OPA336N/3K?
The quiescent current per amplifier is 20µA.
- What is the maximum offset voltage for the OPA336N/3K?
The maximum offset voltage is 125µV.
- What is the input bias current for the OPA336N/3K?
The input bias current is approximately 1pA.
- What is the open-loop gain of the OPA336N/3K?
The open-loop gain is 115dB.
- What are the available package types for the OPA336 series?
The OPA336 series is available in SOT-23 (DBV), SO-8, MSOP-8, and DIP-8 packages.
- What are some typical applications for the OPA336N/3K?
Typical applications include battery-powered instruments, portable devices, high-impedance applications, photodiode pre-amps, precision integrators, medical instruments, and test equipment.
- How does the OPA336N/3K handle input voltages beyond the power supplies?
Input voltages beyond the power supplies but within 300mV of the supplies will not cause damage, provided the current is limited to 10mA.
- Is a macromodel available for the OPA336N/3K?
Yes, a macromodel is available for download from Texas Instruments' website for design analysis.
