LTC1842CS8#PBF

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Analog Devices

ULTRALOW POWER DUAL COMPARATORS WITH REFERENCE

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LTC1842CS8#PBF

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Analog Devices

ULTRALOW POWER DUAL COMPARATORS WITH REFERENCE

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DocumentsDatasheet R312 Reliability Data

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC1842CS8#PBF

CMRR, PSRR (Typ)	80 dB
CMRR, PSRR (Typ)	80 dB
Current - Quiescent (Max) [Max]	5.7 µA
Hysteresis	50 mV
Mounting Type	Surface Mount
Number of Elements	2
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Output Type	Open-Drain
Package / Case	8-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Propagation Delay (Max) [Max]	12 µs
Supplier Device Package	8-SO
Type	with Voltage Reference
Voltage - Input Offset (Max)	10 mV
Voltage - Supply, Single/Dual (±) [Max]	11 V, 5.5 V
Voltage - Supply, Single/Dual (±) [Min]	2.5 V
Voltage - Supply, Single/Dual (±) [Min]	±1.25V

LTC1842 Series

Ultralow Power Dual Comparators with Reference

Part	Current - Quiescent (Max) [Max]	Mounting Type	CMRR, PSRR (Typ)	CMRR, PSRR (Typ)	Voltage - Supply, Single/Dual (±) [Max]	Voltage - Supply, Single/Dual (±) [Min]	Voltage - Supply, Single/Dual (±) [Min]	Supplier Device Package	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input Offset (Max)	Propagation Delay (Max) [Max]	Output Type	Number of Elements	Type	Package / Case	Package / Case [y]	Package / Case [x]	Hysteresis
Analog Devices LTC1842IS8#PBF	5.7 µA	Surface Mount	80 dB	80 dB	5.5 V 11 V	2.5 V	±1.25V	8-SO	85 °C	-40 °C	10 mV	12 µs	Open-Drain	2	with Voltage Reference	8-SOIC	3.9 mm	0.154 in	50 mV
Analog Devices LTC1842CS8#PBF	5.7 µA	Surface Mount	80 dB	80 dB	5.5 V 11 V	2.5 V	±1.25V	8-SO	70 °C	0 °C	10 mV	12 µs	Open-Drain	2	with Voltage Reference	8-SOIC	3.9 mm	0.154 in	50 mV

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 6.08
		10	$ 4.10
		25	$ 3.59
		100	$ 3.01
		250	$ 2.73
		500	$ 2.56
		1000	$ 2.42
		2500	$ 2.27

Description

General part information

LTC1842 Series

The LTC1842 is an ultralow power dual comparator with a built-in reference. The comparators feature less than 5.7µA supply current over temperature, a 1.182V ±1% reference, programmable hysteresis and open-drain outputs that sink current. The reference output can drive a bypass capacitor of up to 0.01µF without oscillation.The LTC1842 operate from a single 2.5V to 11V supply or a dual ±1.25V to ±5.5V supply. Hysteresis is easily programmed by using two resistors and the HYST pin. The comparator inputs operate from the negative supply to within 1.3V of the positive supply. The comparator outputs can typically sink greater than 20mA. By eliminating the cross-conduction current that normally happens when the comparators change logic states, power supply glitches are eliminated.The LTC1842 is available in an SO-8 package.ApplicationsBattery-Powered System MonitoringThreshold DetectorsWindow ComparatorsOscillator Circuits