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See Technical Specifications

LM293AD +BOM

Dual precision standard comparator, extended temperature

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LM293AD
Datasheet:

LM293AD Datasheet (PDF)
Number of channels:

2
Output type:

Open-collector
Propagation delay time (µs):

1.3
Vs (max) (V):

36
EDA/CAD Models:

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LM293AD General Description

The LM393B and LM2903B devices are the next generation versions of the industry-standard LM393 and LM2903 comparator family. These next generation B-version comparators feature lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, lower propagation delay, and improved 2 kV ESD performance and input ruggedness through dedicated ESD clamps. The LM393B and LM2903B can drop-in replace the LM293, LM393 and LM2903, for both "A" and "V" grades.

All devices consist of two independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Quiescent current is independent of the supply voltage.

Key Features

NEW LM393B and LM2903B
Improved specifications of B-version
- Maximum rating: up to 38 V
- ESD rating (HBM): 2k V
- Low input offset: 0.37 mV
- Low input bias current: 3.5 nA
- Low supply-current: 200 µA per comparator
- Faster response time of 1 µsec
- Extended temperature range for LM393B
- Available in tiny 2 x 2mm WSON package
B-version is drop-in replacement for LM293, LM393 and LM2903, A and V versions
Common-mode input voltage range includes ground
Differential input voltage range equal to maximum-rated supply voltage: ±38 V
Low output saturation voltage
Output compatible with TTL, MOS, and CMOS

Specifications

Number of channels	2	Output type	Open-collector
Propagation delay time (µs)	1.3	Vs (max) (V)	36
Vs (min) (V)	2	Vos (offset voltage at 25°C) (max) (mV)	2
Iq per channel (typ) (mA)	0.4	Input bias current (±) (max) (nA)	50
Rail-to-rail	Out	Rating	Catalog
Operating temperature range (°C)	-25 to 85	Features	Standard comparator
VICR (max) (V)	34.5	VICR (min) (V)	0
feature-number-of-channels-per-chip	2	feature-rail-to-rail	Rail to Rail Output
feature-process-technology		feature-typical-response-time-range-us	0.5 to 5
feature-output-type	Open Collector	feature-maximum-operating-supply-voltage-v	30
feature-maximum-input-offset-voltage-mv	2@30V	feature-maximum-input-bias-current-ua	0.25@5V
feature-maximum-supply-current-ma		feature-packaging	Tube
feature-rad-hard		feature-pin-count	8
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-escc-qualified		feature-military	No
feature-aec-qualified	Yes	feature-aec-qualified-number
feature-eccn-code	EAR99	feature-svhc	Yes
feature-svhc-exceeds-threshold	No

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