Overview
The AD8214ARMZ-R7, produced by Analog Devices Inc., is a high-voltage current shunt comparator designed for fast response and high common-mode voltage operation. This device is ideal for detecting overcurrent conditions on the high side of the control loop, making it suitable for applications requiring rapid shutdown to prevent damage from excessive currents. The AD8214 operates with a supply voltage range of 5 V to 65 V and features a built-in 2.4 V series voltage regulator to provide a stable voltage for internal electronics and external circuits.
Key Specifications
| Parameter | Rating/Value |
|---|---|
| Supply Voltage | 5 V to 65 V |
| Continuous Input Voltage | 68 V |
| Differential Input Voltage | 500 mV |
| Reverse Supply Voltage | 0.3 V |
| Operating Temperature Range | −40°C to +125°C |
| Storage Temperature Range | −65°C to +150°C |
| Output Short-Circuit Duration | Indefinite |
| Input-to-Output Response Time | < 100 ns |
| Package | 8-MSOP (0.118", 3.00mm Width) |
| Mounting Type | Surface Mount |
| Current - Output | 1 mA |
Key Features
- Fast response time of less than 100 ns, enabling rapid detection of overcurrent conditions.
- High common-mode voltage operation, allowing the differential input to be operated at or slightly above or below the positive supply rail.
- Built-in 2.4 V series voltage regulator for stable internal and external circuit power.
- High-side current sensing capability, ideal for monitoring and controlling high-side currents in DC systems.
- Automotive-grade models available, ensuring compliance with automotive quality and reliability standards.
- Low input offset voltage of typically 1 mV, enhancing accuracy in current sensing applications.
Applications
- Overcurrent protection in high-side DC current sensing applications.
- Automotive systems requiring fast and reliable current monitoring and control.
- Industrial power systems where rapid shutdown is necessary to prevent damage from excessive currents.
- Battery management systems (BMS) for monitoring and controlling battery currents.
- Power supplies and DC-DC converters where high-side current sensing is critical.
Q & A
- What is the supply voltage range of the AD8214ARMZ-R7?
The AD8214ARMZ-R7 operates with a supply voltage range of 5 V to 65 V.
- What is the input-to-output response time of the AD8214ARMZ-R7?
The input-to-output response time is less than 100 ns.
- What type of package does the AD8214ARMZ-R7 come in?
The AD8214ARMZ-R7 comes in an 8-MSOP package.
- Is the AD8214ARMZ-R7 suitable for automotive applications?
- What is the typical input offset voltage of the AD8214ARMZ-R7?
The typical input offset voltage is 1 mV.
- Can the AD8214ARMZ-R7 be used for high-side current sensing?
- What is the operating temperature range of the AD8214ARMZ-R7?
The operating temperature range is −40°C to +125°C.
- Is the AD8214ARMZ-R7 RoHS compliant?
- What is the purpose of the built-in 2.4 V series voltage regulator in the AD8214ARMZ-R7?
The built-in 2.4 V series voltage regulator provides a stable voltage for the internal electronics and can also power small external application circuits.
- Can the output of the AD8214ARMZ-R7 be short-circuited indefinitely?
