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ZHCSKD0I September 2009 – October 2019 TMP431 , TMP432

PRODUCTION DATA.

封裝選項

機械數據 (封裝 | 引腳)

DGK|8
- MPDS028E

散熱焊盤機械數據 (封裝 | 引腳)

訂購信息

6.5 Electrical Characteristics

at T_A = –40°C to 125°C and V+ = 2.7 V to 5.5 V (unless otherwise noted)

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
TEMPERATURE ERROR
TE_LOCAL	Local temperature sensor	T_A = –40°C to 125°C		±1.25	±2.5	°C
TE_LOCAL	Local temperature sensor	T_A = 0°C to 100°C, V+ = 3.3 V		±0.25	±1	°C
TE_REMOTE	Remote temperature sensor ⁽¹⁾	T_A = 0°C to 100°C, T_DIODE = –40°C to 150°C, V+ = 3.3 V		±0.25	±1	°C
		T_A = –40°C to 100°C, T_DIODE = –40°C to 150°C, V+ = 3.3 V		±0.5	±1.5
		T_A = –40°C to 125°C, T_DIODE = –40°C to 150°C		±3	±5
	vs supply (local, remote)	V+ = 2.7 V to 5.5 V		±0.2	±0.5	°C/V
TEMPERATURE MEASUREMENT CONVERSION TIME (PER CHANNEL)
	Local channel		12	15	17	ms
	Remote channel, beta correction enabled^⁽²⁾	RC = 1	97	126	137	ms
	Remote channel, beta correction enabled^⁽²⁾	RC = 0	36	47	52	ms
	Remote channel, beta correction disabled^⁽³⁾	RC = 1	72	93	100	ms
	Remote channel, beta correction disabled^⁽³⁾	RC = 0	33	44	47	ms
TEMPERATURE MEASUREMENT RESOLUTION
	Local channel			12		Bits
	Remote channel			12		Bits
TEMPERATURE MEASUREMENT REMOTE SENSOR SOURCE CURRENTS
	High	Series resistance (beta correction)^⁽⁴⁾		120		μA
	Medium-high			60		μA
	Medium-low			12		μA
	Low			6		μA
η	Remote transistor ideality factor	TMP43x optimized ideality factor		1.000⁽²⁾
η	Remote transistor ideality factor	TMP43x optimized ideality factor		1.008⁽³⁾
β	Beta correction range		0.1		27
SMBus INTERFACE
V_IH	Logic input high voltage (SCL, SDA)		2.1			V
V_IL	Logic input low voltage (SCL, SDA)				0.8	V
	Hysteresis			500		mV
	SMBus output low sink current		6			mA
V_OL	SDA output low voltage	I_OUT = 6 mA		0.15	0.4	V
	Logic input current	0 ≤ V_IN ≤ 6 V	–1		1	μA
	SMBus input capacitance (SCL, SDA)			3		pF
	SMBus clock frequency				3.4	MHz
	SMBus timeout		25	32	35	ms
	SCL falling edge to SDA valid time				1	μs
DIGITAL OUTPUTS
V_OL	Output low voltage	I_OUT = 6 mA		0.15	0.4	V
I_OH	High-level output leakage current	V_OUT = V+		0.1	1	μA
	ALERT/THERM2 output low sink current	ALERT/THERM2 forced to 0.4 V	6			mA
	THERM output low sink current	THERM2 forced to 0.4 V	6			mA
POWER SUPPLY
V+	Specified voltage range		2.7		5.5	V
I_Q	Quiescent current	0.0625 conversions per second, V+ = 3.3 V		35	45	μA
		Eight conversions per second, V+ = 3.3 V ⁽⁵⁾		0.7	1	mA
		Serial bus inactive, shutdown mode		3	10	μA
		Serial bus active, f_S = 400 kHz, shutdown mode		90
		Serial bus active, f_S = 3.4 MHz, shutdown mode		350
UVLO	Undervoltage lockout		2.3	2.4	2.6	V
POR	Power-on reset threshold			1.6	2.3	V
	Specified temperature range		–40		125	°C
	Storage temperature range		–60		130	°C

(1) Tested with less than 5-Ω effective series resistance and 100-pF differential input capacitance. T_A is the ambient temperature of the TMP43x. T_DIODE is the temperature at the remote diode sensor.

(2) Beta correction configuration set to 1000 and sensor is GND collector-connected (PNP collector to ground).

(3) Beta correction configuration set to 0111 or sensor is diode-connected (base shorted to collector).

(4) If beta correction is disabled (0111), then up to 1-kΩ of series line resistance is cancelled; if beta correction is enabled (1xxx), up to
300 Ω is cancelled.

(5) Beta correction disabled.