A6850(2011) 查看數據表（PDF） - Allegro MicroSystems
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A6850 Datasheet PDF : 12 Pages
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A6850
Dual Channel Switch Interface IC
Description (continued)
The A6850 eliminates the need for the external series shunt resistor
in Hall device applications by incorporating an integrated current
mirror which reports the Hall IC supply current as a 1/10 value on
the SENSE1 or SENSE2 output pin. A low current Sleep mode is
available (<15 μA) by driving both ENABLE pins low. Also, the
A6850 can be used to interface to mechanical switches.
The A6850 is supplied in an 8-pin Pb (lead) free SOIC package,
with 100% matte tin leadframe plating.
Selection Guide
Part Number
A6850KLTR-T
Packing
13-in. reel, 3000 pieces/reel
Absolute Maximum Ratings
Characteristic
Supply Voltage
Output Voltage
SENSEx Voltage Range
ENABLEx Voltage Range
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
ESD Rating - Human Body Model
ESD Rating - Charged Device Model
Symbol
VIN
VOUTPUTx
VSENSEx
VENABLEx
TA
TJ(max)
Tstg
HBM
CDM
Notes
AEC-Q100-002; OUTPUT1 and OUTPUT2
AEC-Q100-002; all other pins
AEC-Q100-011; all pins
Rating
40
–0.3 to 40
–0.3 to 7
–0.3 to 7
–40 to 150
150
–55 to 150
4.5
2.5
1050
Units
V
V
V
V
ºC
ºC
ºC
kV
kV
V
Pin-out Diagram
ENABLE1 1
SENSE1 2
Control Switch
8 OUTPUT1
7 GROUND
ENABLE2 3
SENSE2 4
Switch
6 OUTPUT2
5 VIN
Terminal List Table
Name
Number
ENABLE1
1
SENSE1
2
ENABLE2
3
SENSE2
4
VIN
5
OUTPUT2
6
GROUND
7
OUTPUT1
8
Description
Digital input pulled to ground
Sensed current output
Digital input pulled to ground
Sensed current output
Chip power supply voltage
Switchable voltage supply to sensor IC
Ground reference
Switchable voltage supply to sensor IC
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Package Thermal Resistance
4-layer PCB based on JEDEC standard
RθJA
1-layer PCB with copper limited to solder pads
*Additional thermal data available on the Allegro Web site.
Value Units
80 ºC/W
140 ºC/W
Allegro MicroSystems, Inc.
2
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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