Fairchild HCPL-3700 manual AC/DC to Logic Interface Optocoupler

Fig. 7 Logic High Supply Current	Fig. 8 External Threshold Characteristics V+/V- vs. Rx
vs. Temperature

HCPL-3700

	1000									(V)	300
nA)(CURRENTSUPPLY		VCC = 18 V								VOLTAGETHRESHOLD	250
		VO = OPEN
		IIN = 0 mA
	100										200
HIGHLOGIC										EXTERNAL-	150
	10										50
											100
-										-V+/V
CCH
I	1										0
	-60	-40	-20	0	20	40	60	80	100		0
				TA - TEMPERATURE (°C)

V+ (AC) V- (AC)

V+ (DC)

V- (DC)

40 80 120 160 200 240

RX - EXTERNAL SERIES RESISTOR (KΩ)

AC/DC to Logic Interface Optocoupler

©2005 Fairchild Semiconductor Corporation	www.fairchildsemi.com
HCPL-3700 Rev. 1.0.1	6