ZHCSUM0 数据表 | 德州仪器 TI.com.cn

ZHCSUM0E February 1990 – February 2024 SN751177 , SN751178

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NS|16
N|16

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5.4.1 Electrical Characteristics

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

PARAMETER		TEST CONDITIONS			MIN	TYP^⁽¹⁾	MAX	UNIT
V_IK	Input clamp voltage	I_I = −18mA					−1.5	V
V_OH	High-level output voltage	V_IH = 2V,	V_IL = 0.8V,	I_OH = −33mA		3.7		V
V_OL	Low-level output voltage	V_IH = 2V,	V_IL = 0.8V,	I_OH = 33mA		1.1		V
\|V_OD1\|	Differential output voltage	I_O = 0			1.5		6	V
\|V_OD2\|	Differential output voltage	R_L = 100Ω,	See Figure 6-1		2 or 1/2 V_OD1 ^⁽²⁾			V
		R_L = 54Ω,	See Figure 6-1		1.5		5	V
V_OD3	Differential output voltage	See ^{Note 4}			1.5		5	V
Δ\|V_OD\|	Change in magnitude of differential output voltage (see ^{Note 5})						±0.2	V
V_OC	Common-mode output voltage	R_L = 54Ω or 100Ω,		See Figure 6-1	−1⁽³⁾		3	V
Δ\|V_OC\|	Change in magnitude of common-mode output voltage (see ^{Note 5})						±0.2	V
I_O	Output current with power off	V_CC = 0,		V_O = −7V to 12V			±100	μA
I_OZ	High-impedance-state output current	V_O = −7V to 12V					±100	μA
I_IH	High-level input current	V_IH = 2.7V					20	μA
I_IL	Low-level input current	V_IL = 0.4V					−100	μA
		V_O = −7V					−250	mA
I_OS	Short-circuit output current (see ^{Note 6})	V_O = V_CC					250
		V_O = 12V					250
I_CC	Supply current	No load	Outputs enabled			80	110	mA
I_CC	Supply current	No load	Outputs disabled			50	80	mA

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

(2) The minimum V_OD2 with a 100Ω load is either 1/2 V_OD1 or 2V, whichever is greater.

(3) 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.

(4) See TIA/EIA-485-A Figure 6-3.5, Test Termination Measurement 2

(5) Δ|V_OD| and Δ|V_OC| are the changes in magnitude of V_OD and V_OC, respectively, that occur when the input is changed from a high level to a low level.

(6) Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.