米6体育平台手机版

ZHCSR80A June 2009 – January 2023 AMC6821-Q1

PRODUCTION DATA

7.5 Electrical Characteristics

T_A = –40°C to 100°C and V_DD = 3 V or 5 V (unless otherwise noted)

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
TEMPERATURE MEASUREMENT
	Local sensor accuracy	T_A = 0°C to 90°C		±0.5	±3	°C
	Local sensor accuracy	T_A = –25°C to 100°C		±1	±4	°C
	Remote sensor accuracy⁽¹⁾	T_R = 50°C to 100°C		±0.5	±3	°C
	Remote sensor accuracy⁽¹⁾	T_R = –40°C to 125°C		±1	±4	°C
	Sensor resolution	Both channels		0.125		°C
	Conversion time	Two channels		62.5		ms
PWM CONTROLLER
	PWM frequency range (programmable)⁽²⁾		10		40k	Hz
	PWM frequency accuracy	T_A = 25°C to 100°C	–6%		7%
	Duty cycle⁽²⁾	Programmable	0%		100%
	Duty cycle resolution	8-bit		0.39		%/bit
FAN RPM-TO-DIGITAL CONVERTER
	Accuracy	T_A = 25°C to 100°C	–6%		7%
	Full-scale count⁽²⁾				65535
	Nominal input RPM⁽²⁾		100		23000	RPM
	Internal clock frequency for RPM measurement			100		kHz
DIGITAL INPUT/OUTPUT
V_OL	Open-drain output low voltage	Sink current 6 mA, V_DD = 3 V	0		0.4	V
I_OH	Open-drain high-level output leakage current			0.1	1	μA
V_IH	Input high voltage		2.1			V
V_IL	Input low voltage				0.8	V
I_IH	Input high current		–1			μA
I_IL	Input low current				1	μA
	Input capacitance			5		pF
POWER SUPPLY
	Current	V_DD = 5		1.1	2	mA
	Power dissipation			5		mW

(1) The remote temperature sensor is optimized for the Pentium M™ thermal diode with diode ideality n = 1.0022 and T_A = 0°C to 100°C.

(2) Not production tested. Specified by design.