3055 Datasheet, PDF (2/8 Pages) Allegro MicroSystems – MULTIPLEXED TWO-WIRE HALL-EFFECT SENSOR ICs

3055
MULTIPLEXED
TWO-WIRE HALL EFFECT
SENSOR IC
OPERATIONAL CHARACTERISTIC over operating temperature range.
Electrical
Characteristics
Symbol
Min.
Power Supply Voltage
Signal Current
Quiescent Current
Address Range
V =6V
BUS
V =9V
BUS
I –I
QH QL
V_BUS
—
I_S
12
I
—
QH
I
—
QL
I
—
Q
Addr
1
Clock Thresholds
LOW to HIGH
HIGH to LOW
Hysteresis
Clock Period
Address LOW Voltage
Address HIGH Voltage
Power-On Reset Voltage
Settling Time
Propagation Delay
V_BUS = 9 V
V_BUS = 6 V
LOW to HIGH
HIGH to LOW
Pin 3 Input Resistance
No Magnetic Field (V_OUT = HIGH)
Mag. Field Present (V_OUT = LOW)
Magnetic Characteristics
V_CLH
V_CHL
V_CHYS
t_CLK
V
L
V
H
V
RST
t_h
t_l
t_plh
t_phl
R_OUTH
R_OUTL
—
6.5
—
0.1
V
RST
V
CLH
2.5
100
100
10
—
40
—
Magnetic Thresholds
Hysteresis (B_OP–B_RP)
*Turn-On
Turn-Off
B_OP
50
B_RP
-25
B_HYS
0
*Alternate magnetic switch point specifications are available on request. Please contact the factory.
Limits
Typ.
Max.
—
15
15
20
—
2.5
—
2.5
—
300
—
30
—
8.5
—
—
0.8
—
1.0
—
6
V
CHL
9
V
BUS
3.5
5.5
—
—
—
—
—
—
—
10
—
75
—
50
150
300
100
300
50
75
Units
V
mA
mA
mA
µA
—
V
V
V
ms
V
V
V
µs
µs
µs
µs
kΩ
Ω
G
G
G
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
Copyright © 1988, 1991, Allegro MicroSystems, Inc.