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consumption digital temperature sensor AMS AS6221-AWLT-S suitable for laptops tablets and wearable electronics

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consumption digital temperature sensor AMS AS6221-AWLT-S suitable for laptops tablets and wearable electronics

Temperature Range : -40℃~+125℃

standby current : 9uA

Interface : I2C

Temperature Conversion Time : 36ms

Temperature Resolution : 16bit

Voltage - Supply : 2V~3.6V

Description : -40℃~+125℃ I2C 2V~3.6V WLCSP-6(1x1.5) Analog and Digital Output RoHS

Mfr. Part # : AS6221-AWLT-S

Model Number : AS6221-AWLT-S

Package : WLCSP-6(1x1.5)

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AS6221 Digital Temperature Sensor

The AS6221 is a high-accuracy digital temperature sensor system designed for applications requiring precise temperature measurements, such as skin temperature monitoring. It features a Si bandgap temperature sensor, an ADC, and a digital signal processor, all integrated into a compact IC that communicates via a 2-wire digital bus. The sensor offers ultra-low power consumption, making it ideal for battery-powered devices. Key benefits include factory calibration, integrated linearization, and the ability to use up to eight AS6221 devices on a single bus through selectable IC addresses. An alert functionality is also included to signal excessive temperatures. Production testing is calibrated to NIST standards, with verification equipment accredited by an ISO/IEC-17025 laboratory.

Key Benefits & Features

High Measurement Accuracy: 0.09 C (20 C to 42 C)
Low Power Consumption: 6 A @ Operation (typical, @ 4 Hz), 0.1 A @ Standby (typical)
Supply Voltage Range: 1.71 3.6 V (0 C to 125 C)
Small PCB Footprint: 1.5 mm x 1 mm (WLCSP)

Applications

Fitness/Health Wristbands
Personal Computers
Wearables
HVAC
Replacement of PTCs
Electronic Equipment
Tablets
Convertibles
Laptops

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Unit	Note
Analog System Parameters
Supply Voltage	VDD	1.71	2.0	3.6	V	T= 0C to 125C / T= -40C to 125C
Temperature Range	T	-40		125	C
Standby Current Consumption	IDD		0.1	0.4	A	T= -40C to 65C / T= 65C to 125C
Current Consumption (4 conversions /s)	IDD		6	16	A	T= -40C to 65C / T= 65C to 125C
Resolution	N		16		Bits
Conversion Time	TS		22	51	ms
Conversion Rate	NS	0.25	1	10.7	Conv/s	CR[1:0]=00,01,10,11
Temperature Accuracy Values
Temperature Error	T_ERR	-0.3		0.3	C	3 distribution, T= 20 C to 42 C
Temperature Error	T_ERR	-0.25		0.25	C	3 distribution, T= -25 C to 55 C
Temperature Error	T_ERR	-0.2		0.2	C	3 distribution, T= -40 C to 70 C
Digital System Parameters
High level input voltage	V_IH	0.7 * VDD			V	SCL, ADD0
Low level input voltage	V_IL			0.3 * VDD	V	SCL, ADD0
Hysteresis voltage	V_HYST	200		1200	mV	SCL,ADD0, SDA,Alert
Input leakage current	I_LEAK	-1		1	A	SCL;ADD0, V_IL=0.0V
Low level output voltage	V_OL			VSS+0.4	V	Alert, I_OL=3mA
High level input voltage	V_IH	0.7 * VDD			V	SDA
Low level input voltage	V_IL			0.3*VDD	V	SDA
Low level output voltage	V_OL			VSS+0.4	V	SDA
Tristate leakage current	I_OZ	-10		10	A	SDA to VSS

2410311222_AMS-AS6221-AWLT-S_C3663150.pdf

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