3054 Datasheet, PDF (2/12 Pages) Allegro MicroSystems – MULTIPLEXED TWO-WIRE HALL-EFFECT SENSOR ICs

3054
MULTIPLEXED
TWO-WIRE
HALL-EFFECT SENSOR ICs
ELECTRICAL CHARACTERISTICS over operating temperature range.
Characteristic
Power Supply Voltage
Signal Current
Quiescent Current
Address Range
Clock Thresholds
Max. Clock Frequency*
Address LOW Voltage
Address HIGH Voltage
Reset Voltage
Propagation Delay*
Pin 3-2 Resistance
Pin 3-2 Output Voltage
Symbol
V_BUS
I_S
I_QL
I_QH
∆I_Q
Addr
V_CLH
V_CHL
V_CHYS
f_CLK
V_L
V_H
V_RST
t_plh
t_phl
R_SWH
R_SWL
V_SWH
V_SWL
Test Conditions
DUT Addressed, B > 300 G
V_BUS = 6 V
V_BUS = 9 V
I_QL – I_QH
Factory Specified
LOW to HIGH
HIGH to LOW
Hysteresis
50% Duty Cycle
LOW to HIGH
HIGH to LOW
DUT Addressed, B < 5 G
DUT Addressed, B > 300 G
DUT Addressed, B < 5 G
DUT Addressed, B> 300 G
Min
—
12
—
—
—
1
—
6.5
—
2.5
V_RST
V_CLH
2.5
10
—
—
—
—
—
MAGNETIC CHARACTERISTICS over operating temperature range.
Limits
Typ
Max
—
15
15
20
1.5
2.5
1.4
2.5
100
300
—
30
—
8.5
—
—
0.8
—
—
—
6.0
V_CHL
9.0
V_BUS
3.5
5.5
20
30
5.0
10
50
—
200
—
3.9
—
30
—
Characteristic
Magnetic Threshold†
Hysteresis
Symbol
B_OP
B_RP
B_HYS
Test Conditions
Turn-On
Turn-Off
B_OP – B_RP
Min.
50
5.0
5.0
Typical Data is at T_A = +25°C and is for design information only.
*This parameter, although warranteed, is not production tested.
†Alternative magnetic switch point specifications are available on special order. Please contact the factory.
Limits
Typ. Max.
150
300
100
295
50
—
Units
V
mA
mA
mA
µA
—
V
V
V
kHz
V
V
V
µs
µs
kΩ
Ω
V
mV
Units
G
G
G
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
Copyright © 1995 Allegro MicroSystems, Inc.