Overview
The MC33161D, produced by onsemi, is a universal voltage monitor designed for a wide range of voltage sensing applications. This device offers an economical solution for detecting both positive and negative voltages, making it versatile for various industries. The MC33161D features two comparator channels with hysteresis, a unique Mode Select Input for channel programming, and a pinned out 2.54 V reference. It also includes two open collector outputs capable of sinking more than 10 mA, enhancing device flexibility.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| No of Outputs | Dual | |
| Threshold Voltage | 1.27 | V |
| Supply Voltage - Max | 40 | V |
| Comparator Input Voltage Range | -1.0 to +40 | V |
| Comparator Output Sink Current | 20 | mA |
| Operating Junction Temperature | -40 to +105 | °C |
| Storage Temperature Range | -55 to +150 | °C |
| Package Style | SOIC-8 | |
| Mounting Method | Surface Mount |
Key Features
- Unique Mode Select Input Allows Channel Programming: Enables configuration of each comparator channel as either inverting or noninverting.
- Over, Under, and Window Voltage Detection: Supports various detection modes for positive and negative voltages.
- Positive and Negative Voltage Detection: Capable of detecting both positive and negative voltages.
- Fully Functional at 2.0 V for Positive Voltage Sensing and 4.0 V for Negative Voltage Sensing: Low supply voltage requirements.
- Pinned Out 2.54 V Reference with Current Limit Protection: Provides a stable reference voltage with protection features.
- Low Standby Current: Minimizes power consumption in standby mode.
- Open Collector Outputs: Enhances device flexibility by allowing external pull-up resistors.
- Pb−Free Packages Available: Compliant with lead-free packaging requirements.
Applications
The MC33161D is suitable for a variety of applications, including:
- Appliance Equipment: Monitors voltages in household and commercial appliances.
- Automotive Systems: Used in automotive electronics for voltage monitoring.
- Consumer Electronics: Applied in consumer devices requiring voltage sensing.
- Industrial Equipment: Utilized in industrial settings for monitoring and controlling voltages.
Q & A
- What is the minimum supply voltage required for the MC33161D to be fully functional?
The minimum supply voltage needed is 2.0 V for positive voltage sensing and 4.0 V for negative voltage sensing.
- What types of voltage detection does the MC33161D support?
The device supports over, under, and window voltage detection for both positive and negative voltages.
- What is the maximum supply voltage the MC33161D can handle?
The maximum supply voltage is 40 V.
- What is the package style of the MC33161D?
The package style is SOIC-8.
- Can the MC33161D be used in automotive applications?
- What is the operating junction temperature range for the MC33161D?
The operating junction temperature range is -40°C to +105°C.
- Does the MC33161D have ESD protection?
- What is the maximum power dissipation for the MC33161D?
The maximum power dissipation varies by package type but must be observed to ensure device reliability.
- Can the comparator channels be configured as either inverting or noninverting?
- What is the current limit protection feature of the 2.54 V reference?
The 2.54 V reference has current limit protection to ensure stable operation.
