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LM239J +BOM

Low Power Low Offset Voltage Quad Comparator

Hersteller:

Texas Instruments
Herstellerteil #:

LM239J
Datenblatt:

LM239J Datenblatt (PDF)
Number Of Channels:

4
Output Type:

Open-collector, Open-drain
Propagation Delay Time (µs):

1.3
Vs (max) (V):

36
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an LM239J

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

LM239J Allgemeine Beschreibung

The LMx39-N series consists of four independent precision voltage comparators with an offset voltage specification as low as 2 mV maximum for all four comparators. These comparators were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground, even though they are operated from a single power supply voltage.

The LMx39-N series was designed to directly interface with TTL and CMOS. When operated from both plus and minus power supplies, the devices directly interface with MOS logic where the low power drain of the LM339 is a distinct advantage over standard comparators.

Hauptmerkmale

Wide Supply Voltage Range
LM139/139A Series 2 to 36 V_DC or ±1
to ±18 V_DC
LM2901-N: 2 to 36 V_DC or ±1 to ±18 V_DC
LM3302-N: 2 to 28 V_DC or ±1 to ±14 V_DC
Very Low Supply Current Drain (0.8 mA) –
Independent of Supply Voltage
Low Input Biasing Current: 25 nA
Low Input Offset Current: ±5 nA
Offset Voltage: ±3 mV
Input Common-Mode Voltage Range Includes
GND
Differential Input Voltage Range Equal to
the Power Supply Voltage
Low Output Saturation Voltage: 250 mV at 4 mA
Output Voltage Compatible With TTL, DTL, ECL,
MOS, and CMOS Logic Systems
Advantages:
- High-Precision Comparators
- Reduced V_OS Drift Overtemperature
- Eliminates Need for Dual Supplies
- Allows Sensing Near GND
- Compatible With All Forms of Logic
- Power Drain Suitable for Battery Operation

Spezifikationen

Number of channels	4	Output type	Open-collector, Open-drain
Propagation delay time (µs)	1.3	Vs (max) (V)	36
Vs (min) (V)	2	Vos (offset voltage at 25°C) (max) (mV)	5
Iq per channel (typ) (mA)	0.2	Input bias current (±) (max) (nA)	250
Rail-to-rail	Out	Rating	Military
Operating temperature range (°C)	-25 to 85	VICR (max) (V)	34
VICR (min) (V)	0

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