Fairchild Semiconductor KA393S, KA393D, KA393, KA293A, KA293 Datasheet

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KA293/KA293A, KA393/KA393A, KA2903

Dual Differential Comparator

Features

•Single Supply Operation: 2V to 36V

•Dual Supply Operation: ± 1V to ± 18V

•Allow Comparison of Voltages Near Ground Potential

•Low Current Drain 800 A Typ.

•Compatible with all Forms of Logic

•Low Input Bias Current 25nA Typ.

•Low Input Offset Current ± 5nA Typ.

•Low Offset Voltage ± 1mV Typ.

Descritpion

The KA293 series consists of two independent voltage comparators designed to operate from a single power supply over a wide voltage range.

8-DIP

1

8-SOP

1

9-SIP

1

Internal Block Diagram

Rev. 1.0.2

©2001 Fairchild Semiconductor Corporation

KA293/KA293A, KA393/KA393A, KA2903

Schematic Diagram

Absolute Maximum Ratings

Parameter	Symbol	Value	Unit
Power Supply Voltage	VCC	± 18 or 36	V
Differential Input Voltage	VI(DIFF)	36	V
Input Voltage	VI	- 0.3 to +36	V
Output Short Circuit to GND	-	Continuous	-
Power Dissipation, Ta = 25° C
8-DIP	PD	1040	mW
8-SOP		480
Operating Temperature	TOPR		° C
KA393/KA393A		0 ~ + 70
KA293/KA293A		- 25 ~ + 85
KA2903		- 40 ~ + 85
Storage Temperature	TSTG	- 65 ~ + 150	° C

Thermal Data

Parameter	Symbol	Value	Unit
Thermal Resistance Junction-Ambient Max.			° C/W
8-DIP	Rθ ja	120
8-SOP		260

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KA293/KA293A, KA393/KA393A, KA2903

Electrical Characteristics

(VCC =5V, TA=25° C, unless otherwise specified)

	Parameter	Symbol	Conditions		KA293A/KA393A			KA293/KA393			Unit
					Min.	Typ.	Max.	Min.	Typ.	Max.
	Input Offset Voltage	VIO	VO(P) =1.4V, RS =0Ω		-	± 1	± 2	-	± 1	± 5	mV
			VCM= 0 to1.5V	Note 1	-	-	± 4.0	-	-	± 9.0
	Input Offset Current	IIO			-	± 5	± 50	-	± 5	± 50	nA
				Note 1	-	-	± 150	-	-	± 150
	Input Bias Current	IBIAS			-	65	250	-	65	250	nA
				Note 1	-	-	400	-	-	400
					0	-	VCC	0	-	VCC
	Input Common Mode						-1.5			-1.5
		VI(R)									V
	Voltage Range
				Note 1	0	-	VCC	0	-	VCC
							-2			-2
	Supply Current	ICC	RL = ∞ , VCC = 5V		-	0.6	1	-	0.6	1	mA
			RL = ∞ , VCC = 30V		-	0.8	2.5	-	0.8	2.5
	Voltage Gain	GV	VCC =15V, RL≥ 15KΩ		50	200	-	50	200	-	V/mV
			(for large VO(P-P)swing)
	Large Signal		VI =TTL Logic Swing
	Response	TLRES	VREF =1.4V, VRL =5V,		-	350	-	-	350	-	nS
	Time		RL =5.1KΩ
	Response Time	TRES	VRL =5V, RL =5.1KΩ		-	1.4	-	-	1.4	-	µ S
	Output Sink Current	ISINK	VI(-)≥ 1V, VI(+) =0V, VO(P) ≤ 1.5V		6	18	-	6	18	-	mA
	Output Saturation	VSAT	VI(-) ≥ 1V, VI(+) =0V		-	160	400	-	160	400	mV
	Voltage		ISINK = 4mA	Note 1	-	-	700	-	-	700
	Output Leakage	IO(LKG)	VI(-) = 0V,	VO(P) = 5V	-	0.1	-	-	0.1	-	nA
	Current		VI(+) = 1V	VO(P) = 30V	-	-	1.0	-	-	1.0	µ A
	NOTE 1
	KA393 / KA393A : 0 ≤ TA ≤	+70° C

KA293 / KA293A : -25 ≤ TA ≤ +85° C

KA2903 : -40 ≤ TA ≤ +85° C

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