Overview
The MC33161DMR2, produced by ON Semiconductor, 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 including appliance, automotive, consumer, and industrial equipment. The MC33161DMR2 features two comparator channels with hysteresis, a unique Mode Select Input for channel programming, and two open collector outputs capable of sinking over 10 mA. This allows for over, under, and window detection of voltages, enhancing its utility in complex voltage monitoring scenarios.
Key Specifications
| Rating | Symbol | Value | Unit |
|---|---|---|---|
| Power Supply Input Voltage | VCC | 40 | V |
| Comparator Input Voltage Range | Vin | −1.0 to +40 | V |
| Comparator Output Sink Current | ISink | 20 | mA |
| Comparator Output Voltage | Vout | 40 | V |
| Operating Junction Temperature | TJ | −40 to +105 | °C |
| Operating Ambient Temperature | TA | −40 to +105 | °C |
| Storage Temperature Range | Tstg | −55 to +150 | °C |
| Threshold Voltage (Vin Increasing at TA = 25°C) | Vth | 1.245 to 1.27 | V |
Key Features
- Unique Mode Select Input: Allows channel programming to configure each comparator channel as either inverting or noninverting.
- Over, Under, and Window Voltage Detection: Capable of detecting over, under, and window voltages for both positive and negative voltages.
- Positive and Negative Voltage Detection: Can detect both positive and negative voltages, enhancing its versatility in various applications.
- Open Collector Outputs: Two open collector outputs capable of sinking in excess of 10 mA.
- Hysteresis: Each comparator channel includes hysteresis to prevent oscillations.
- Pinned Out 2.54 V Reference: Provides a stable reference voltage for accurate voltage sensing.
Applications
The MC33161DMR2 is suitable for a variety of applications, including:
- Appliance Equipment: Monitoring voltages in household and commercial appliances.
- Automotive Systems: Voltage monitoring in automotive electronics.
- Consumer Electronics: Used in various consumer electronic devices for voltage sensing.
- Industrial Equipment: Monitoring voltages in industrial control systems and machinery.
Q & A
- What is the primary function of the MC33161DMR2?
The MC33161DMR2 is a universal voltage monitor designed for detecting positive and negative voltages in various applications. - What is the minimum supply voltage required for the MC33161DMR2?
The minimum supply voltage needed is 2.0 V for positive voltage sensing and 4.0 V for negative voltage sensing. - How many comparator channels does the MC33161DMR2 have?
The device has two comparator channels, each with hysteresis. - What is the maximum power supply input voltage for the MC33161DMR2?
The maximum power supply input voltage is 40 V. - What is the operating ambient temperature range for the MC33161DMR2?
The operating ambient temperature range is −40°C to +105°C. - Can the MC33161DMR2 detect both over and under voltages?
Yes, the device can detect over, under, and window voltages for both positive and negative voltages. - What is the maximum output sink current for the comparator outputs?
The maximum output sink current is 20 mA. - Does the MC33161DMR2 have ESD protection?
Yes, the device includes ESD protection and exceeds the Human Body Model 2000 V per MIL−STD−883, Method 3015, and Machine Model Method 200 V. - What is the storage temperature range for the MC33161DMR2?
The storage temperature range is −55°C to +150°C. - How can the comparator channels be configured?
The comparator channels can be configured as either inverting or noninverting using the Mode Select Input.
