Overview
The AD7414ARMZ-0 is a 10-bit digital temperature sensor produced by Analog Devices Inc. This component is part of the AD7414 series, which offers high accuracy and a compact design, making it suitable for a wide range of applications. The AD7414ARMZ-0 features a band gap temperature sensor and a 10-bit analog-to-digital converter (ADC) that provides temperature readings with a resolution of 0.25°C. The device is housed in a space-saving 6-lead SOT-23 package and operates over a temperature range of −40°C to +125°C with a typical accuracy of ±0.5°C at +40°C.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Temperature Range | −40°C to +125°C | Operating temperature range |
| Accuracy | ±0.5°C at +40°C | Typical temperature accuracy at +40°C |
| Resolution | 0.25°C | Temperature resolution provided by the 10-bit ADC |
| Supply Voltage | 2.7 V to 5.5 V | Operating supply voltage range |
| Power-Down Current | 3 μA | Current consumption in power-down mode |
| Temperature Conversion Time | 29 μs typical | Time required for a temperature conversion |
| Package Type | 6-lead SOT-23 | Physical package of the device |
| Serial Interface | SMBus/I2C-compatible | Type of serial interface supported |
| I2C Addresses | Up to 8 addresses | Number of possible I2C addresses for the AD7414 |
Key Features
- High Accuracy: Provides temperature readings with a typical accuracy of ±0.5°C at +40°C.
- Compact Design: Housed in a space-saving 6-lead SOT-23 package.
- Serial Interface: Supports SMBus and I2C interfaces with pin-selectable addressing.
- Low Power Consumption: 3 μA power-down current and low supply current.
- Fast Conversion Time: Temperature conversion time of 29 μs typical.
- Overtemperature Indicator: The AD7414 features an overtemperature indicator (ALERT) that becomes active when a programmed limit is exceeded.
- Programmable Limits: On-chip registers can be programmed with high and low temperature limits.
- SMBus Alert Function: The ALERT output can be used as an interrupt or as an SMBus alert.
Applications
- Hard Disk Drives and Personal Computers: Ideal for temperature monitoring in computer systems.
- Electronic Test Equipment: Used in various test and measurement devices.
- Office Equipment: Suitable for temperature monitoring in office appliances.
- Domestic Appliances: Used in household appliances for temperature control.
- Cellular Phones: Employed in mobile devices for temperature monitoring.
- Process Control: Utilized in industrial process control systems.
Q & A
- What is the temperature range of the AD7414ARMZ-0?
The AD7414ARMZ-0 operates over a temperature range of −40°C to +125°C.
- What is the typical accuracy of the AD7414ARMZ-0 at +40°C?
The typical accuracy is ±0.5°C at +40°C.
- What type of serial interface does the AD7414ARMZ-0 support?
The device supports SMBus and I2C interfaces.
- What is the power-down current of the AD7414ARMZ-0?
The power-down current is 3 μA.
- How long does a temperature conversion take for the AD7414ARMZ-0?
The temperature conversion time is typically 29 μs.
- What is the package type of the AD7414ARMZ-0?
The device is housed in a 6-lead SOT-23 package.
- Does the AD7414ARMZ-0 have an overtemperature indicator?
Yes, the AD7414 features an overtemperature indicator (ALERT) that becomes active when a programmed limit is exceeded.
- Can the AD7414ARMZ-0 be programmed with high and low temperature limits?
Yes, on-chip registers can be programmed with high and low temperature limits.
- What are some common applications of the AD7414ARMZ-0?
Common applications include hard disk drives, personal computers, electronic test equipment, office equipment, domestic appliances, cellular phones, and process control systems.
- What is the supply voltage range for the AD7414ARMZ-0?
The supply voltage range is from 2.7 V to 5.5 V.
