iC-MH8
12 BIT ANGULAR HALL ENCODER
Rev A0.9, Page 5/25
ELECTRICAL CHARACTERISTICS
Operating conditions:
VPA, VPD = 5 V ±10 %, VNA=VND, Tj = -40...125 °C, IBM adjusted to 200 µA , 4 mm NdFeB magnet, unless otherwise noted
Item Symbol
No.
Parameter
Conditions
Unit
Min.
Typ.
Max.
General
001 V(VPA),
V(VPD)
Permissible Supply Voltage
4.5
5.5
V
002 I(VPA)
003 I(VPD)
004 I(VPD)
005 Vc()hi
Supply Current in VPA
Supply Current in VPD
Supply Current in VPD
3
5
12
27
20
1.5
mA
mA
mA
V
PRM = ’0’, without Load
PRM = ’1’, without Load
Vc()hi = V() − VPD, I() = 1 mA
2
Clamp Voltage hi at MA, SLI,
SLO, PTE, NERR
0.4
006 Vc()lo
Clamp Voltage lo at MA, SLI,
SLO, PTE, NERR
I() = -1 mA
-1.5
20
-0.3
V
Hall Sensors and Signal Conditioning
101 Hext
Operating Magnetic Field
Strength
at surface of chip
100
2
kA/m
kHz
102 fmag
Operating Magnetic Field
Frequency
120 000 rpm
Rotating Speed of Magnet
103 dsens
104 xdis
Diameter of Hall Sensor Array
2
mm
Max. Magnet Axis Displacement
vs. Center of Hall Sensor Array
0.2
0.2
+3
mm
mm
105 xpac
Chip Placement Error vs. Pack- with QFN28
age
-0.2
-3
106 φpac
Chip Tilt Error vs. Package
with QFN28
Deg
mm
107 hpac
Sensor-to-Package-Surface Dis- with QFN28
tance
0.4
108 Vos
109 Vos
110 Vopt
Trimming range of output offset VOSS or VOSC = 0x7F
voltage
-55
mV
mV
Vpp
Trimming range of output offset VOSS or VOSC = 0x3F
voltage
55
Optimal differential output voltage Vopt = Vpp(PSIN) − Vpp(NSIN), ENAC = ’0’,
4
see Fig. 6
111
112
Vratio
Vratio
Amplitude Ratio
Amplitude Ratio
Vratio = Vpp(PSIN) / Vpp(PCOS), GCC = 0x3F
1.09
Vratio = Vpp(PSIN) / Vpp(PCOS), GCC = 0x40
0.92
4.8
Signal Level Control
201 Vpp
Differential Peak-to-Peak Output Vpp = Vpk(Px) − Vpk(Nx), ENAC = ’1’, see Fig.
3.2
Vpp
Amplitude
6
202 ton
Controller Settling Time
to ±10% of final amplitude
300
2.8
µs
203 Vt()lo
MINERR Amplitude Error Thresh- see 201
old
1.0
4.8
Vpp
204 Vt()hi
MAXERR Amplitude Error
Threshold
see 201
5.8
Vpp
Bandgap Reference
401 Vbg
402 Vref
Bandgap Reference Voltage
1.18
45
1.25
50
1.32
55
V
Reference Voltage
Bias Current
%VPA
403
Iibm
CIBM = 0x0
CIBM = 0xF
Bias Current adjusted
-100
µA
µA
µA
-370
-220
-200
4.0
-180
4.3
404 VPDon
405 VPDoff
406 VPDhys
Turn-on Threshold VPD, System V(VPD) − V(VND), increasing voltage
3.65
V
V
V
on
Turn-off Threshold VPD, System V(VPD) − V(VND), decreasing voltage
3
3.5
3.8
reset
Hysteresis System on/reset
0.3
ICHAUS [ IC-HAUS GMBH ]
