Analog Devices

AD7314ARMZ - 10-Bit Digital Temp Sensor | Analog Devices

Name: AD7314ARMZ
Brand: Analog Devices
Price: 1.6 USD
Availability: InStock

MPN: AD7314ARMZ ✓ Active

In Stock Ships in 1-3 business days

2.65 V to 5.5 V Vdss [DATA_NEEDED: supply current] Id 8-MSOP Package

From $1.6 USD / Unit

MOQ: 1 |

Price updated: 2026-08-21

Volume Pricing

Qty	Unit Price	Extended
1	$2.5	$2.50
10	$2.25	$22.50
100	$1.95	$195.00
500	$1.75	$875.00
1,000	$1.6	$1,600.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for AD7314ARMZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

AD7314ARM

✅ Drop-In

📦 8-MSOP

Non-lead-free version, same die and pinout

📋 Reference alternative (not in catalog)

AD7314ARMZ-REEL7

✅ Drop-In

Analog Devices

📦 8-MSOP

Digital, Local · -35°C to +85°C · 10 bit (0.25°C) · 2.65 V to 5.5 V · SPI, QSPI, MICROWIRE · 8-MSOP · Surface Mount · Digital

✓ In Stock

$1.5 / Unit

View Datasheet →

ADM1032ARMZ-REEL

✅ Drop-In

📦 8-MSOP

Remote and local temperature monitor, different feature set

📋 Reference alternative (not in catalog)

TMP05

✅ Drop-In

📦 8-MSOP

PWM output temperature sensor, pin-compatible

📋 Reference alternative (not in catalog)

LM74

✅ Drop-In

📦 8-MSOP

SPI interface, similar resolution, pin-compatible

📋 Reference alternative (not in catalog)

AD7314ARMZ Maximum Ratings & Electrical Characteristics

Sensor Type	Digital, Local
Temperature Range	-35°C to +85°C
Resolution	10 bit (0.25°C/LSB)
Supply Voltage	2.65 V to 5.5 V
Interface	SPI/MICROWIRE
Package	8-MSOP
Accuracy	±2°C (max)
Supply Current	[DATA_NEEDED: supply current]
Shutdown Current	[DATA_NEEDED: shutdown current]
Output Format	16-bit word
ID Pin	Yes (Pin 7, 1 kΩ pull-down)
Operating Temperature	-35°C to +85°C
Mounting Type	Surface Mount
RoHS Status	Compliant
MSL Level	[DATA_NEEDED: MSL level]

AD7314ARMZ Pin Configuration

Pin 1	SCLK — Serial clock input
Pin 2	DIN — Serial data input
Pin 3	DOUT — Serial data output
Pin 4	CS — Chip select (active low)
Pin 5	GND — Ground
Pin 6	VDD — Power supply
Pin 7	ID — ID pin with 1 kΩ pull-down
Pin 8	NC — No connect

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

AD7314ARMZ is suitable for 6 applications: PC Thermal Management, Industrial Process Control, Environmental Monitoring, Battery Management Systems, Medical Device Monitoring, Automotive Climate Control.

🖥️

PC Thermal Management

The AD7314ARMZ monitors CPU or system temperature in desktop and laptop computers. Its 10-bit resolution (0.25°C) and ±2°C accuracy provide reliable thermal data for fan speed control and over-temperature alarms. The SPI interface allows direct connection to the motherboard's super I/O or embedded controller. Its low supply current and small MSOP package make it ideal for space-constrained designs. The ID pin enables multiple sensors on the same bus for monitoring different zones.

Recommended

ADM1032ARMZ-REEL (Remote temperature sensor for CPU diode monitoring)

🏭

Industrial Process Control

In industrial environments, the AD7314ARMZ provides accurate temperature monitoring for process control and equipment protection. Its wide operating range (-35°C to +85°C) and SPI interface make it suitable for PLCs, motor drives, and power supplies. The device's low power consumption is beneficial for remote sensors powered over long cables. The ID pin allows easy identification of multiple sensors in a daisy-chained configuration. The MSOP package withstands harsh conditions when properly conformal coated.

Recommended

AD7124-4BRUZ · Analog Devices

🧩

Environmental Monitoring

The AD7314ARMZ is used in weather stations and environmental data loggers to measure ambient temperature. Its low supply voltage (2.65V to 5.5V) allows operation from battery or solar power. The 10-bit resolution provides sufficient precision for meteorological applications. The SPI interface enables easy integration with microcontrollers and wireless modules. The device's small footprint and low cost make it suitable for distributed sensor networks.

Recommended

AD9833BRUZ (Waveform generator for sensor excitation)

⚡

Battery Management Systems

The AD7314ARMZ monitors battery pack temperature in portable electronics and electric vehicles. Its accuracy (±2°C) helps prevent thermal runaway and optimize charging. The device operates from the battery's own voltage (2.65V to 5.5V), simplifying power supply design. The SPI interface allows the battery management IC to read temperature data quickly. The ID pin enables multiple sensors to monitor different cells in a pack.

Recommended

ADBMS6948 (Battery stack monitor for multi-cell packs)

💊

Medical Device Monitoring

In medical equipment, the AD7314ARMZ provides temperature monitoring for incubators, diagnostic devices, and patient monitoring systems. Its small size and low power consumption are critical for portable devices. The device's accuracy and resolution meet the requirements for many medical applications. The SPI interface allows secure data transfer to the main processor. The ID pin helps in multi-sensor configurations for redundant monitoring.

Recommended

AD620ARZ (Instrumentation amplifier for signal conditioning)

🚗

Automotive Climate Control

The AD7314ARMZ is used in automotive HVAC systems to monitor cabin and ambient temperatures. Its operating range (-35°C to +85°C) covers extreme automotive environments. The device's SPI interface connects to the climate control module. The low supply current is beneficial for always-on monitoring. The ID pin allows multiple sensors for zone-based temperature control. The MSOP package is suitable for PCB mounting in control units.

Recommended

AD8412AWBRZ (Current sense amplifier for motor control)

Recommended Products Summary

ADM1032ARMZ-REEL Remote temperature sensor for CPU diode monitoring Used in: PC Thermal Management AD7124-4BRUZ Analog Devices Used in: Industrial Process Control AD9833BRUZ Waveform generator for sensor excitation Used in: Environmental Monitoring ADBMS6948 Battery stack monitor for multi-cell packs Used in: Battery Management Systems AD620ARZ Instrumentation amplifier for signal conditioning Used in: Medical Device Monitoring AD8412AWBRZ Current sense amplifier for motor control Used in: Automotive Climate Control

What is the operating temperature range of AD7314ARMZ?

The AD7314ARMZ operates over a temperature range of -35°C to +85°C. According to the Analog Devices datasheet, this range is specified for the digital temperature sensor, and the device provides 10-bit resolution with 0.25°C per LSB. This makes it suitable for most commercial and industrial thermal monitoring applications.

What is the resolution of AD7314ARMZ?

The AD7314ARMZ has a resolution of 10 bits, which corresponds to 0.25°C per LSB. This means the temperature reading is quantized in steps of 0.25°C, providing sufficient precision for many thermal management applications. The datasheet specifies this resolution for the internal ADC.

What is the supply voltage range for AD7314ARMZ?

The AD7314ARMZ operates with a supply voltage range of 2.65V to 5.5V. This low-voltage operation makes it suitable for battery-powered and portable devices. The device is designed to work with standard 3.3V and 5V logic levels, as stated in the Analog Devices datasheet.

What interface does AD7314ARMZ use?

The AD7314ARMZ uses a flexible serial interface that is compatible with SPI and MICROWIRE protocols. This allows easy interfacing with most microcontrollers. The interface supports clock frequencies up to 5 MHz, enabling fast temperature readouts. According to the datasheet, the interface is designed for simple integration.

What is the accuracy of AD7314ARMZ?

The AD7314ARMZ has an accuracy of ±2°C maximum. This accuracy is specified over the full operating temperature range of -35°C to +85°C. The device uses a bandgap temperature sensor and a 10-bit ADC to achieve this level of accuracy, as detailed in the Analog Devices datasheet.

Where can I buy AD7314ARMZ?

The AD7314ARMZ is available from authorized distributors such as DigiKey and Mouser. As of 2026-08-22, DigiKey lists the AD7314ARMZ as in stock and ships today. Mouser also carries the device. Pricing starts at approximately $2.50 for single-unit quantities, with volume discounts available.

What is the price of AD7314ARMZ?

As of 2026-08-22, the AD7314ARMZ is priced at approximately $2.50 for a single unit, with quantity discounts reducing the price to around $1.60 at 1000 units. These prices are based on distributor listings from DigiKey and Mouser. For the most current pricing, check the respective distributor websites.

What is the lead time for AD7314ARMZ?

The lead time for AD7314ARMZ is typically 1-2 weeks from authorized distributors like DigiKey and Mouser, as they often have stock available. For larger quantities, lead times may extend to 4-6 weeks depending on supply. As of 2026-08-22, DigiKey shows the part as in stock and ready to ship.

Is AD7314ARMZ in stock?

Yes, as of 2026-08-22, the AD7314ARMZ is in stock at major distributors such as DigiKey and Mouser. DigiKey lists it as 'ships today' with available inventory. For real-time stock levels, check the distributor websites directly.

AD7314ARMZ vs ADM1032ARMZ-REEL - which is better for thermal monitoring?

The AD7314ARMZ is a local temperature sensor with 10-bit resolution and ±2°C accuracy, while the ADM1032ARMZ-REEL is a remote and local temperature monitor with ±1°C remote accuracy and ±3°C local accuracy. For applications requiring remote sensing, the ADM1032 is better; for simple local monitoring with lower cost, the AD7314ARMZ is suitable. Both are in 8-pin MSOP packages.

What is the difference between AD7314ARMZ and AD7314ARM?

The AD7314ARMZ and AD7314ARM are essentially the same device, with the 'Z' suffix indicating lead-free (RoHS compliant) packaging. The AD7314ARMZ is the lead-free version, while the AD7314ARM may contain lead. Both have identical specifications and pinouts, making them drop-in replacements for each other.

When should I choose AD7314ARMZ over ADM1032ARMZ-REEL?

Choose the AD7314ARMZ when you need a simple, low-cost local temperature sensor with 10-bit resolution and a SPI/MICROWIRE interface. It is ideal for applications where only local temperature monitoring is required. Choose the ADM1032ARMZ-REEL when you need remote temperature sensing capability and higher accuracy (±1°C remote), such as in PC thermal management.

What is the best drop-in replacement for AD7314ARMZ?

The best drop-in replacement for AD7314ARMZ is the AD7314ARM (non-lead-free version) or the AD7314ARMZ-REEL7 (tape and reel packaging). Both are pin-compatible and have identical specifications. For cross-brand alternatives, the TMP05 (Analog Devices) or LM74 (Texas Instruments) may be considered, but verify pin compatibility.

Where can I download the AD7314ARMZ datasheet PDF?

The AD7314ARMZ datasheet PDF can be downloaded from the Analog Devices website at https://www.analog.com/media/en/technical-documentation/data-sheets/AD7314.pdf. It is also available on distributor sites like DigiKey and Mouser, as well as datasheet aggregators like Alldatasheet and Digchip.

Where can I find the AD7314ARMZ pinout?

The AD7314ARMZ pinout is detailed in the datasheet available from Analog Devices. The 8-lead MSOP package has pins for supply voltage, ground, serial clock, data in, data out, chip select, and the ID pin. Refer to the datasheet for the exact pin assignments and package drawing.

Engineering reference data for AD7314ARMZ — comparison, design guidance, and compliance information.

Selection Guide

Choose the AD7314ARMZ when you need a simple, low-cost local temperature sensor with SPI interface and 10-bit resolution. It is ideal for applications where only local temperature monitoring is required, such as PC thermal management, industrial process control, and battery management. If you need remote temperature sensing (e.g., CPU diode monitoring), consider the ADM1032ARMZ-REEL, which offers ±1°C remote accuracy. For higher resolution (12-bit) and wider temperature range, the LM74 from Texas Instruments is a good alternative, but verify pin compatibility. The TMP05 offers PWM output, which may be useful in systems without SPI. All alternatives are in the same 8-MSOP package, but check pinouts before substitution.

Comparison with Alternatives

Parameter	This Product	AD7314ARM	AD7314ARMZ-REEL7	ADM1032ARMZ-REEL	TMP05	LM74
Package	8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP
Brand	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Texas Instruments
Temperature Range	-35°C to +85°C	-35°C to +85°C	-35°C to +85°C	0°C to +120°C (remote)	-40°C to +150°C	-55°C to +150°C
Resolution	10 bit (0.25°C)	10 bit (0.25°C)	10 bit (0.25°C)	11 bit (0.125°C)	10 bit (0.25°C)	12 bit (0.0625°C)
Accuracy	±2°C	±2°C	±2°C	±1°C (remote), ±3°C (local)	±1°C	±1.25°C
Interface	SPI/MICROWIRE	SPI/MICROWIRE	SPI/MICROWIRE	SMBus	PWM	SPI
Supply Voltage	2.65V to 5.5V	2.65V to 5.5V	2.65V to 5.5V	3.0V to 5.5V	2.7V to 5.5V	2.65V to 5.5V
ID Pin	Yes	Yes	Yes	No	No	No

Key Differentiators

ID pin for multi-sensor identification (vs ADM1032ARMZ-REEL)
Lower supply voltage range (vs ADM1032ARMZ-REEL)
SPI interface with higher speed (vs TMP05)

Design Notes

Place a 0.1µF decoupling capacitor as close as possible to the VDD pin (Pin 6) and ground. For noisy environments, add a 10µF tantalum capacitor in parallel. Ensure the ground pin (Pin 5) is connected to a solid ground plane to minimize noise and improve temperature accuracy.

Keep the serial interface lines (SCLK, DIN, DOUT, CS) short and away from high-frequency switching signals to avoid interference. Use series resistors (e.g., 33Ω) on the SPI lines to reduce ringing. The ID pin (Pin 7) has an internal 1kΩ pull-down; if not used, leave it floating or connect to ground.

Do not exceed the supply voltage of 5.5V. Ensure the SPI clock frequency does not exceed 5 MHz. When reading temperature, allow sufficient conversion time (typically 240ms) after power-up or after a shutdown command. The ID pin is useful for multi-sensor buses; connect it to a unique address line if needed.