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SI7055-A20-IM

In Stock: 5,702

Temperature Sensor Ic, Digital, 0.5 C, -40 C, 125 C, Dfn, 6 Rohs Compliant: Yes |Silicon Labs SI7055-A20-IM

Manufacturers: SILICON
Mfr.Part#:
SI7055-A20-IM
Package/Case:
DFN6
Product Type:
Analog and Digital Output
RoHS:
Lifecycle:
ACTIVE
EDA/CAD Models:
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SI7055-A20-IM Information

Description

The SI7055-A20-IM is a digital temperature sensor from Silicon Labs. It features an I2C interface, high accuracy (±0.1°C), wide operating range (-40 to 125°C), low power consumption, and a compact DFN-6 package. This sensor finds applications in various industries such as HVAC systems for temperature control, medical devices for precise monitoring, cleanrooms and laboratories for environmental checks, consumer electronics, automotive thermal management, food storage, smart buildings, and weather forecasting.

Features

The SI7055-A20-IM is a digital temperature sensor with an I2C interface. Key features include:
Wide temperature range: -40°C to 125°C.
High accuracy: ±0.1°C typical from -10°C to 85°C.
Low power consumption: 195 µA (max).
Small package size: DFN-6, 2x2.5mm.
Factory calibration for ease of use. These features make the SI7055 ideal for temperature monitoring and control in various applications such as HVAC systems, medical devices, cleanrooms, consumer electronics, automotive thermal management, food storage, smart buildings, and weather forecasting.

Package

The SI7055-A20-IM has a package type of DFN-6, which is a small 2x2.5mm footprint for efficient integration.

Pinout

The SI7055-A20-IM temperature sensor has a pin count of 6, which are mainly for power and communication:
VDD: Positive supply voltage (1.9-3.6V)).
GND: Ground connection.
SDA/SCL: I2C bus lines for serial data transfer. These pins allow the sensor to be easily integrated into a microcontroller-based system, enabling temperature measurements and control applications.

Manufacturer

The manufacturer of the SI7055-A20-IM temperature sensor is Silicon Labs, a global semiconductor company. Specializing in wireless solutions and IoT technology, Silicon Labs offers innovative products for various industries.

Applications

The SI7055-A20-IM is a temperature sensor with I2C interface, suitable for various applications such as HVAC systems, medical devices, cleanrooms, consumer electronics, automotive thermal management, food storage, smart buildings, weather monitoring, and energy efficiency.

Equivalent

The equivalent product of SI7055- A20- IM is Silicon Labs' SI7056 or SI7057, which share similar features for temperature sensing but may have minor variations in specifications.

Specifications

Product Category	Board Mount Temperature Sensors	Output Type	Digital
Configuration	Local	Accuracy	+/- 0.5 C
Supply Voltage - Min	1.9 V	Supply Voltage - Max	3.6 V
Interface Type	I2C	Resolution	14 bit
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 125 C
Shutdown	No Shutdown	Mounting Style	SMD/SMT
Moisture Sensitive	Yes	Operating Supply Current	90 uA, 3.5 mA
Product	Temperature Sensors	Product Type	Temperature Sensor ICs
Factory Pack Quantity	200	Subcategory	Sensors
Type	Digital Temperature Sensor	Unit Weight	0.000847 oz
Package/Case	DFN6

SI7055-A20-IM FAQs

1.Q: What is the interface type of this Silicon Laboratories temperature sensor?

A: It uses a digital I2C (Serial) interface for communication, supporting standard (100kHz) and fast (400kHz) modes.

2.Q: What is the thermal resistance of the DFN-6 package for this sensor?

A: The thermal resistance (θJA) is typically around 40°C/W, but exact values depend on PCB layout and airflow conditions.

3.Q: Does this Silicon Laboratories sensor comply with industry certifications?

A: Yes, it is EU RoHS compliant and has an ECCN of EAR99. However, it is not automotive-grade (no PPAP).

4.Q: What is the recommended operating voltage for this Silicon Laboratories sensor?

A: The recommended operating voltage is 1.9V to 3.6V, with typical values at 2.5V or 3.3V.

5.Q: What are the absolute maximum ratings for this Silicon Laboratories sensor?

A: Absolute max ratings: Supply voltage (VDD) = -0.3V to +4.0V, operating temp = -40°C to +125°C, storage temp = -65°C to +150°C. Exceeding these may damage the device.

6.Q: What are the typical applications for this Silicon Laboratories temperature sensor?

A: It is commonly used in HVAC systems, industrial monitoring, medical devices, consumer electronics, and IoT applications requiring precise temperature sensing.

7.Q: What are the key features of the Silicon Laboratories TEMP/HUMIDITY SENSOR?

A: Key features include ±0.5°C accuracy, -40°C to +125°C range, 14-bit resolution, I2C interface, low power consumption (max 120µA), and a compact 3x3mm DFN-6 package.

8.Q: What is the pinout configuration of the Silicon Laboratories TEMP/HUMIDITY SENSOR in DFN-6 package?

A: The 6-pin DFN package has the following pinout: VDD (Power), GND (Ground), SDA (I2C Data), SCL (I2C Clock), ALERT (Interrupt Output), and ADDR (I2C Address Select).

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