Dual differential comparator, automotive grade
Product details
Parameters
Package | Pins | Size
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
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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.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators datasheet (Rev. AE) | Oct. 07, 2020 |
Application note | Application Design Guidelines for LM339, LM393, TL331 Family Comparators (Rev. A) | Feb. 11, 2020 | |
Application note | How to Implement Comparators for Improving Performance of Rotary Encoders in Ind | Jul. 03, 2019 | |
E-book | The Signal e-book: A compendium of blog posts on op amp design topics | Mar. 28, 2017 | |
Technical article | Tripping Point: Simplifying circuit breaker design using delta-sigma ADCs | Aug. 10, 2016 | |
Application note | Designing Overcurrent protection for TPL7407L Peripheral Driver | Nov. 05, 2014 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
Reference designs
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
PDIP (P) | 8 | View options |
SO (PS) | 8 | View options |
SOIC (D) | 8 | View options |
TSSOP (PW) | 8 | View options |
VSSOP (DGK) | 8 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Support & training
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