Datasheets
A2557KLB by: Allegro MicroSystems LLC

And Gate Based Peripheral Driver, 4 Driver, 0.5A, BIPolar, PDSO16, POWER, BATWING, SOIC-16

Part Details for A2557KLB by Allegro MicroSystems LLC

Results Overview of A2557KLB by Allegro MicroSystems LLC

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A2557KLB Information

A2557KLB by Allegro MicroSystems LLC is a Peripheral Driver.
Peripheral Drivers are under the broader part category of Drivers And Interfaces.

A driver controls the current or voltage delivered to components like LCDs or motors, while an interface component connects systems for data transfer and control. Read more about Drivers And Interfaces on our Drivers And Interfaces part category page.

Part Details for A2557KLB

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A2557KLB Part Data Attributes

A2557KLB Allegro MicroSystems LLC
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A2557KLB Allegro MicroSystems LLC And Gate Based Peripheral Driver, 4 Driver, 0.5A, BIPolar, PDSO16, POWER, BATWING, SOIC-16
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Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer ALLEGRO MICROSYSTEMS LLC
Part Package Code SOIC
Package Description SOP, SOP16,.4
Pin Count 16
Reach Compliance Code unknown
ECCN Code EAR99
HTS Code 8542.39.00.01
Built-in Protections TRANSIENT; OVER CURRENT; THERMAL
Driver Number of Bits 4
Interface IC Type AND GATE BASED PERIPHERAL DRIVER
JESD-30 Code R-PDSO-G16
JESD-609 Code e0
Length 10.3 mm
Moisture Sensitivity Level 3
Number of Functions 4
Number of Terminals 16
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current Flow Direction SINK
Output Current-Max 0.3 A
Output Peak Current Limit-Nom 0.5 A
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP16,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 240
Qualification Status Not Qualified
Seated Height-Max 2.65 mm
Supply Voltage-Max 5.25 V
Supply Voltage-Min 4.75 V
Supply Voltage-Nom 5 V
Surface Mount YES
Technology BIPOLAR
Temperature Grade AUTOMOTIVE
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Turn-off Time 10 µs
Turn-on Time 10 µs
Width 7.5 mm

Alternate Parts for A2557KLB

This table gives cross-reference parts and alternative options found for A2557KLB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of A2557KLB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
A2557KLB-T Allegro MicroSystems LLC Check for Price And Gate Based Peripheral Driver, 4 Driver, 0.5A, BIPolar, PDSO16, LEAD FREE, MS-013AA, SOIC-16 A2557KLB vs A2557KLB-T
A2557SLBTR-T Allegro MicroSystems LLC Check for Price Buffer/Inverter Based Peripheral Driver, 4 Driver, 0.5A, BIPolar, PDSO16, LEAD FREE, MS-013AA, SOIC-16 A2557KLB vs A2557SLBTR-T

A2557KLB Related Parts

A2557KLB Frequently Asked Questions (FAQ)

  • A good PCB layout for the A2557KLB involves keeping the sensitive analog circuitry away from the digital circuitry, using a solid ground plane, and minimizing the length of the traces connected to the output pins.

  • To minimize the effects of external magnetic fields, use a mu-metal shield around the device, keep the device away from ferromagnetic materials, and use a differential output configuration.

  • The recommended operating temperature range for the A2557KLB is -40°C to 150°C, but it can operate up to 175°C with reduced accuracy and reliability.

  • Calibration involves adjusting the offset and gain of the device using external resistors and capacitors. Refer to the application note AN296070 for detailed calibration procedures.

  • The maximum allowable voltage on the output pins of the A2557KLB is VCC + 0.3V, but it's recommended to keep the output voltage within the range of 0V to VCC to ensure reliable operation.