Electrical characteristics, Zmt32 – Diodes ZMT32 User Manual
Page 3
ZMT32
© Zetex Semiconductors plc 2008
Electrical characteristics
General test conditions (unless otherwise noted)
T
A
= +23
±5
o
C, V
CC1
=V
CC2
= +5V, H
ROT
=25kA/m
, k=100•(V
PO1
/V
PO2
) with V
CC1
=V
CC2
A: Output characteristic definitions
∆V
O1
/V
CC1
= (V
OMAX1
– V
OMIN1
)/V
CC1
or/ ∆V
O2
/V
CC2
= (V
OMAX2
– V
OMIN2
)/V
CC2
V
OFF1
/V
CC1
= ½(V
OMAX1
+ V
OMIN1
)/V
CC1
or/ V
OFF2
/V
CC2
= ½(V
OMAX2
+ V
OMIN2
)/V
CC2
∆αH = MAX | α
LEFT TURN
– α
RIGHT TURN
| (max. angular difference between left and right turn)
∆α = MAX | α
o
– α |
(max. angular difference between actual value α
o
and measured angle,
without offset error)
B: Temperature coefficient (TC) equations
T
1
= -25°C,
T
0
= +25°C,
T
2
= +125°C
where
is the peak-peak output voltage at
temperature T
n
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
(*)
NOTES:
(*) Typical values apply to an ambient temperature of 23
o
C
MAX
UNIT
S
α1
or S
α2
Sensitivities (zero crossing)
α1=135°, α2=0°
0.35
mV/V/deg
V
PO1
or V
PO2
Peak Output Voltages
(sinusoidal signals)
40
50
60
mV
k
Amplitude bridge matching
99.77
100
100.23
%
TCk
Temperature coefficient of
amplitude bridge matching
T
A
= -40 to +160°C
-0.008
+0.008
%/K
R
B1
or
R
B2
Bridge resistances
no H
ROT
T
A
= -40°C
2017
3040
Ω
T
A
= 23°C
2500
3000
3600
T
A
= +160°C
3345
5114
TCR
B
B
TC of Bridge Resistances
+0.28
+0.32
+0.36
%/K
∆V
O1
/V
CC1
A
or
∆V
O2
/V
CC2
A
Peak to peak output swing
T
A
= -40°C
19.2
30.4
mV/V
T
A
= 23°C
16
20
24
T
A
= +160°C
6.7
13.4
H
ROT
= 8 kA/m
T
A
= 23°C
16
20
24
TCV
O
B
TC of peak to peak output
swing
-0.35
-0.32
-0.28
%/K
V
OFF1
/V
CC1
A
or
V
OFF2
/V
CC2
A
Output offset voltage
T
A
= -40°C
-1.25
+1.25
mV/V
T
A
= +160°C
-1.55
+1.55
H
ROT
= 8 kA/m
(†)
(†) See point “Magnetic Field Tests” below
T
A
= 23°C
-1
0
+1
no H
ROT
-2
0
+2
TCV
OFF
B
TC of output offset voltage
-4
0
+4
µV/V/K
∆α
A
Angular Inaccuracy
0.05
0.2
deg
∆αH
A
Angular hysteresis
0.1
deg
H
ROT
= 8 kA/m
0.5
(‡)
(‡) The accurate control of this parameter (Lim
max
=0.1deg, H
ROT
=25kA/m) takes place by means of sample tests
deg
I
iso1-2
Isolation Bridge Current
no H
ROT
0
0.1
µA
%
100
)
T
(
V
V
)
T
(
V
V
)
T
(
V
V
T
T
1
TCV
0
CC
O
1
CC
O
2
CC
O
1
2
O
×
Δ
Δ
−
Δ
×
−
=
)
T
(
V
V
n
CC
O
Δ