米6体育平台手机版

ZHCSRU3J January 2008 – March 2023 SN65HVD1785 , SN65HVD1786 , SN65HVD1787 , SN65HVD1791 , SN65HVD1792 , SN65HVD1793

PRODUCTION DATA

封装选项

机械数据 (封装 | 引脚)

D|14
- MPDS177H

散热焊盘机械数据 (封装 | 引脚)

订购信息

7.5 Electrical Characteristics

over recommended operating conditions (unless otherwise noted)

PARAMETER		TEST CONDITIONS			MIN	TYP	MAX	UNIT
\|V_OD\|	Driver differential output voltage magnitude	RS-485 with common-mode load, V_CC > 4.75 V, see Figure 8-1	T_A ≤ 85°C		1.5			V
		RS-485 with common-mode load, V_CC > 4.75 V, see Figure 8-1	T_A ≤ 105°C		1.4
		R_L = 54 Ω, 4.75 V ≤ V_CC ≤ 5.25 V			1.5	2
		R_L = 100 Ω, 4.75 V ≤ V_CC ≤ 5.25 V			2	2.5
Δ\|V_OD\|	Change in magnitude of driver differential output voltage	R_L = 54 Ω			–0.2	0	0.2	V
V_OC(SS)	Steady-state common-mode output voltage				1	V_CC/2	3	V
ΔV_OC	Change in differential driver output common-mode voltage				–100	0	100	mV
V_OC(PP)	Peak-to-peak driver common-mode output voltage	Center of two 27-Ω load resistors, see Figure 8-2				500		mV
C_OD	Differential output capacitance					23		pF
V_IT+	Positive-going receiver differential input voltage threshold	V_CM = –20 V to 25 V				–100	–10	mV
V_IT–	Negative-going receiver differential input voltage threshold				–200	–150		mV
V_HYS	Receiver differential input voltage threshold hysteresis (V_IT+ – V_IT–)				30	50		mV
V_OH	Receiver high-level output voltage	I_OH = –8 mA			2.4	V_CC – 0.3		V
V_OH	Receiver high-level output voltage	I_OH = –400 μA			4			V
V_OL	Receiver low-level output voltage	I_OL = 8 mA	T_A ≤ 85°C			0.2	0.4	V
V_OL	Receiver low-level output voltage	I_OL = 8 mA	T_A ≤ 105°C			0.2	0.5	V
I_I	Driver input, driver enable, and receiver enable input current				–100		100	μA
I_OZ	Receiver output high-impedance current	V_O = 0 V or V_CC, RE at V_CC			–1		1	μA
I_OS	Driver short-circuit output current				–250		250	mA
I_I	Bus input current (disabled driver)	V_CC = 4.5 to 5.5 V or V_CC = 0 V, DE at 0 V	85, 86, 91, 92	V_I = 12 V		75	125	μA
			85, 86, 91, 92	V_I = –7 V	–100	–40
			87, 93	V_I = 12 V			500
			87, 93	V_I = –7 V	–400
I_CC	Supply current (quiescent)	Driver and receiver enabled	DE = V_CC, RE = GND, no load			4	6	mA
		Driver enabled, receiver disabled	DE = V_CC, RE = V_CC, no load			3	5
		Driver disabled, receiver enabled	DE = GND, RE = GND, no load			2	4
		Driver and receiver disabled	DE = GND, D = open RE = V_CC, no load			0.5	5	μA
	Supply current (dynamic)	See Section 7.8