A6850KLTR-T Allegro Microsystems Inc, A6850KLTR-T Datasheet - Page 11

• Manufacturer Part Number: A6850KLTR-T
• Description: IC SWITCH INTERFACE 2CHAN 8-SOIC
• Manufacturer: Allegro Microsystems Inc
• Type: Hall Effect Switchr

Specifications of A6850KLTR-T

• Input Type: Voltage
• Output Type: Voltage
• Interface: 2-Wire Serial
• Current - Supply: 5mA
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Interface Applications: Microprocessors, 2 Wire Hall Effect Sensor IC
• Supply Voltage Range: 4.75V To 26.5V
• Power Dissipation Pd: 52mW
• Operating Temperature Range: -40°C To +125°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1185-2

A6850
Protection from EMI
Transients generated by electromagnetic interference (EMI)
can disturb operation of the A6850 or add unwanted noise to the
signals being processed.
The scheme shown in figure 9 illustrates possible supply decou-
pling and signal filtering options. The selection of protection and
filtering component values will depend on the details of the final
application.
Figure 9. Decoupling and filtering suggestions
VBAT
1 μF
ENABLE1
ENABLE2
SENSE1
SENSE2
GROUND
A6850
VIN
OUTPUT2
OUTPUT1
Dual Channel Switch Interface IC
The A6850 must be protected with a suitable bypass capacitor to
prevent transients entering VIN. The capacitor should be as close
to the VIN and GND pins as feasible.
A pi-filter placed between the OUTPUTx pins and the sensor IC
has been shown to demonstrate excellent performance in nor-
mal automotive Bulk Cable Injection (BCI) testing. However,
component selection and layout as well as cable specification and
placement must be tailored to the individual application. EMC
results should be validated.
1000 pF
100 Ω
0.1 μF
Device
Hall
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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