Overview
The AD22105ARZ-REEL7, produced by Analog Devices Inc., is a solid-state thermostatic switch designed for precise temperature monitoring and control. This device operates within a wide temperature range of -40°C to 150°C and can be programmed to switch at any desired temperature setpoint using a single external resistor. It is highly suitable for various applications, including ambient condition monitoring, battery-powered devices, and industrial control systems. The AD22105ARZ-REEL7 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package and is RoHS compliant.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 2.7 | 7.0 | V | |
| Supply Current (Output Low) | 120 | µA | ||
| Supply Current (Output High) | 90 | µA | ||
| Operating Temperature Range | -40 | 150 | °C | |
| Temperature Setpoint Accuracy | ±0.5 | ±2.0 | ±3.0 | °C |
| Hysteresis | 4.1 | °C | ||
| Output Type | Open Collector | |||
| Output Low Voltage | 250 | 400 | mV | |
| Internal Pull-Up Resistor | 140 | 260 | kΩ | |
| Package Type | 8-SOIC | |||
| Mounting Type | Surface Mount |
Key Features
- Selectable Trip Point: The AD22105ARZ-REEL7 can be set to switch at any desired temperature using a single external programming resistor.
- Low Power Consumption: The device operates with a low supply current of 90 µA to 120 µA, making it suitable for battery-powered applications.
- Wide Operating Temperature Range: The device can operate in temperatures ranging from -40°C to 150°C.
- Open Collector Output: The output is an open collector type, allowing it to drive external loads such as CMOS inputs or low-power LEDs.
- Internal Pull-Up Resistor: An optional internal 200 kΩ pull-up resistor is included to facilitate driving light loads.
- Low Self-Heating: The device has low power dissipation, minimizing self-heating errors and maximizing battery life.
Applications
- Ambient Condition Monitoring: Ideal for monitoring ambient temperature conditions in various environments.
- Battery-Powered Devices: Suitable for use in battery-powered applications due to its low power consumption.
- Industrial Control Systems: Can be used in industrial control systems where precise temperature monitoring is required.
- Automotive and Industrial Automation: Applicable in automotive and industrial automation where temperature control is critical.
Q & A
- What is the operating temperature range of the AD22105ARZ-REEL7?
The operating temperature range is from -40°C to 150°C.
- What is the supply voltage range for the AD22105ARZ-REEL7?
The supply voltage range is from 2.7 V to 7.0 V.
- How is the trip point temperature set for the AD22105ARZ-REEL7?
The trip point temperature is set using a single external programming resistor.
- What type of output does the AD22105ARZ-REEL7 have?
The output is an open collector type.
- Does the AD22105ARZ-REEL7 have an internal pull-up resistor?
Yes, it has an optional internal 200 kΩ pull-up resistor.
- What is the typical supply current for the AD22105ARZ-REEL7?
The typical supply current is 90 µA to 120 µA.
- What is the hysteresis of the AD22105ARZ-REEL7?
The hysteresis is approximately 4.1°C.
- Is the AD22105ARZ-REEL7 RoHS compliant?
Yes, it is RoHS compliant.
- What is the package type of the AD22105ARZ-REEL7?
The package type is 8-SOIC (Small Outline Integrated Circuit).
- How does the AD22105ARZ-REEL7 minimize self-heating errors?
The device has low power dissipation, which minimizes self-heating errors and maximizes battery life.
