User Manual

5
Data Sheet
COMPLEMENTARY OUTPUT HALL EFFECT LATCH AH277A
Oct. 2009 Rev. 1. 6 BCD Semiconductor Manufacturing Limited
Parameter Symbol Test Condition Min Typ Max Unit
Output Saturation Voltage
V
SAT
V
CC
=3.5V, I
O
=100mA 0.4 V
I
O
=400mA
0.35 0.6 V
Output Leakage Current I
OL
V
CE
=16V
0.1 10
µA
Supply Current I
CC
V
CC
=16V, Output Open
12 16 mA
Output Rise Time tr R
L
=820Ω, C
L
=20pF
3.0 10
µs
Output Fall Time tf R
L
=820Ω, C
L
=20pF
0.3 1.5
µs
Switch Time Differential ∆tR
L
=820Ω, C
L
=20pF
3.0 10
µs
Output Zener Breakdown Voltage V
Z
55 V
(T
A
=25
o
C, V
CC
=14V, unless otherwise specified)
Electrical Characteristics
Parameter Symbol Grade Min Typ Max Unit
Operating Point
B
OP
A103050Gauss
B 5 70 Gauss
C 100 Gauss
Releasing Point
B
RP
A -50 -30 -10 Gauss
B -70 -5 Gauss
C -100 Gauss
Hysteresis B
HYS
60 Gauss
Magnetic Characteristics
(T
A
=25
o
C)
V
DO
(V)
High
Low
B
HYS
V
SAT
0
SN
B
RP
B
OP
Off-state
On-state
Turn off Turn on
Magnetic Flux Density (Gauss)