Overview
The ADM12914-1ARQZ is a quad voltage supervisory IC produced by Analog Devices Inc. This device is designed to monitor multiple voltage rails in a variety of applications, offering high accuracy and reliability in voltage supervision. It features adjustable undervoltage (UV) and overvoltage (OV) thresholds, making it versatile for different system requirements. The ADM12914-1ARQZ is particularly suited for applications where precise voltage monitoring is critical, such as in server supply monitoring, FPGA/DSP core and I/O voltage monitoring, telecommunications equipment, and medical devices.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 16-lead QSOP |
| Number of Monitored Voltage Rails | 4 |
| Threshold Accuracy | ±0.8% |
| Supply Voltage Range | 2.3 V to 6.8 V |
| Reset Output Type | Active Low |
| Reset Timeout | Adjustable/Selectable (minimum 6 ms) |
| Operating Temperature Range | −40°C to +125°C |
| Supply Current | 62 µA |
Key Features
- Quad undervoltage/overvoltage (UV/OV) positive/negative supervisor
- Adjustable UV and OV input thresholds
- Industry-leading threshold accuracy of ±0.8% over the extended temperature range
- 1 V buffered reference output for monitoring negative voltages
- Open-drain UV and OV reset outputs guaranteed down to VCC of 0.9 V
- Adjustable reset timeout with disable option (for ADM12914-2 model)
- Glitch immunity
- Internal shunt regulator for use in higher voltage systems
Applications
- Server supply monitoring
- FPGA/DSP core and I/O voltage monitoring
- Telecommunications equipment
- Medical equipment
Q & A
- What is the primary function of the ADM12914-1ARQZ?
The primary function of the ADM12914-1ARQZ is to monitor multiple voltage rails for undervoltage (UV) and overvoltage (OV) conditions.
- How many voltage rails can the ADM12914-1ARQZ monitor?
The ADM12914-1ARQZ can monitor up to four voltage rails.
- What is the threshold accuracy of the ADM12914-1ARQZ?
The threshold accuracy of the ADM12914-1ARQZ is ±0.8% over the extended temperature range.
- What is the supply voltage range for the ADM12914-1ARQZ?
The supply voltage range for the ADM12914-1ARQZ is from 2.3 V to 6.8 V.
- What type of reset output does the ADM12914-1ARQZ have?
The ADM12914-1ARQZ has active low reset outputs.
- Can the reset timeout be adjusted on the ADM12914-1ARQZ?
Yes, the reset timeout is adjustable and has a minimum of 6 ms.
- What is the operating temperature range of the ADM12914-1ARQZ?
The operating temperature range of the ADM12914-1ARQZ is from −40°C to +125°C.
- How much supply current does the ADM12914-1ARQZ consume?
The ADM12914-1ARQZ consumes 62 µA of supply current.
- What package type is the ADM12914-1ARQZ available in?
The ADM12914-1ARQZ is available in a 16-lead QSOP package.
- Does the ADM12914-1ARQZ have any special features for monitoring negative voltages?
Yes, the ADM12914-1ARQZ includes a 1 V buffered reference output for monitoring negative voltages.
