ZHCSUM1 数据表 | 德州仪器 TI.com.cn

ZHCSUM1C March 1993 – February 2024 SN75ALS1177 , SN75ALS1178

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机械数据 (封装 | 引脚)

NS|16
N|16

散热焊盘机械数据 (封装 | 引脚)

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5.5.1 Electrical Characteristics

over recommended ranges of common-mode input voltage, supply voltage, and operating free-air temperature (unless otherwise noted)

PARAMETER			TEST CONDITIONS		MIN	TYP^⁽¹⁾	MAX	UNIT
V_IT+	Positive-going input threshold voltage		V_O = 2.7V,	I_O = -0.4mA			0.2	V
V_IT-	Negative-going input threshold voltage		V_O = 0.5V,	I_O = 8mA	-0.2^⁽²⁾			V
V_hys	Input hysteresis voltage (V_IT+ - V_IT-)					50		mV
V_IK	Enable input clamp voltage	SN75ALS1177	I_I = -18mA				-1.5	V
V_OH	High-level output voltage		V_ID = 200mV, I_OH = -400μA, See Figure 6-2		2.7			V
V_OL	Low-level output voltage		V_ID = 200mV, I_OL = 8mA, See Figure 6-2				0.45	V
I_OZ	High-impedance-state output current	SN75ALS1177	V_O = 0.4V to 2.4V				±20	μA
I_I	Line input current (see ^{Note 6})		Other input at 0V	V_I = 12V			1	mA
I_I	Line input current (see ^{Note 6})		Other input at 0V	V_I = -7V			-0.8	mA
I_IH	High-level input current, RE	SN75ALS1177	V_IH = 2.7V				20	μA
I_IL	Low-level input current, RE	SN75ALS1177	V_IL = 0.4V				-100	μA
r_i	Input resistance				12			kΩ
I_OS	Short-circuit output current		V_O = 0V,	See ^{Note 7}	-15		-85	mA
I_CC	Supply current (total package)		No load,	outputs enabled		35	50	mA

(1) All typical values are at V_CC = 5V and T_A = 25°C.

(2) The algebraic convention, where the less positive (more negative) limit is designated as minimum, is used in this data sheet for common-mode output and threshold voltage levels only.

(3) Refer to TIA/EIA-422-B, TIA/EIA-423-A, and TIA/EIA-485-A for exact conditions.

(4) Not more than one output should be shorted at a time.