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Product details

Parameters

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 @ 25 C) (Max) (mV) 5 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 open-in-new Find other Comparators

Package | Pins | Size

PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 4.9 x 3.9 SOIC (D) 8 19 mm² 3.91 x 4.9 VSSOP (DGK) 8 15 mm² 3 x 4.9 open-in-new Find other Comparators
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Technical documentation

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Type Title Date
* Datasheet LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators datasheet (Rev. AC) Feb. 19, 2020
White papers The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Technical articles Op Amps used as Comparators—is it okay? Mar. 14, 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Design tools & simulation

SIMULATION MODELS Download
SLCJ008.ZIP (0 KB) - PSpice Model
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide

Reference designs

REFERENCE DESIGNS Download
High Efficiency 180W AC/DC Power Supply Reference Design
PMP20694 — PMP20694 is high-efficiency AC/DC power supply reference design with 85VAC-300VAC input and 36V/5A output. Transition mode PFC is applied with UCC28051 to prove high power factor and boost input voltage to 450VDC.  LLC resonant converter with UCC25600 is applied to step down the 450V to 36V (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Low-Power, Low-Noise Analog Front End Design for Circuit Breakers (ACB/MCCB-ETU)
TIDA-00128 This reference design is intended for use in molded case circuit breakers (MCCB) electronic trip units.  The op amp based design acts as current monitoring for over-current earth fault relays. Utilizing a low cost op amp, this design provides a pick-up (A) accuracy ±10 % and time delay (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Self or Dual-Powered Supply for Protection Relay, MCCBs & ACBs Ref Design
TIDA-00229 This power supply solution for Protection Relays & MCCBs handles both the current input from a Current Transformer (CT) or input from an Auxillary (Aux) source. The "self-powered" capability comes from being able to harness the power available in the grid through the CT. The flexibility of this (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
PFC Boost LLC Resonant Half-bridge 24V@3.5A
PMP5761 PMP5761 is designed for hybrid filber/coax system with nominal 40VAC-90VAC input and generate a 24V/3.5A output. A cascade PFC and LLC-SRC two stage system is applied in this design to guarantee high power factor is achieved in nominal input range. Transition mode PFC controller UCC28051 and (...)
Design files

CAD/CAE symbols

Package Pins Download
PDIP (P) 8 View options
SOIC (D) 8 View options
VSSOP (DGK) 8 View options

Ordering & quality

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