iC-MH
12 BIT ANGULAR HALL ENCODER
Rev B1, Page 4/23
ELECTRICAL CHARACTERISTICS
Operating conditions:
VPA, VPD = 5 V ±10 %, 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,
VPD)
Supply Voltage Range
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
8
mA
mA
mA
V
PRM = ’0’, without Load
PRM = ’1’, without Load
Vc()hi = V() − VPD, I() = 1 mA
15
10
1.5
2
Clamp Voltage hi at MA, SLI,
SLO, PTE, NERR
0.4
006 Vc(lo)
Clamp Voltage lo
I() = -1 mA
-1.5
20
-0.3
V
Hall Sensors and Signal Conditioning
101 Hext
Operating Magnetic Field
Strength
At Chip Surface
100
2
kA/m
kHz
102 fmag
Operating Magnetic Field Fre-
quency
120 000 rpm
Rotating Speed of Magnet
103 dsens
104 xdis
Diameter of HALL Sensor Array
2
mm
Lateral Displacement of Magnet
to Chip
0.2
mm
105 xpac
Displacement Chip to Package
QFN28 package
QFN28 package
-0.2
-3
0.2
+3
mm
106 φpac
Angular alignment of chip vs.
package
Deg
107 hpac
108 Vos
109 Vos
110 Vopt
Distance of chip surface to pack- QFN28 package
age surface
0.4
mm
mV
mV
Vpp
Trimming range of output offset VOSS or VOSC = 0x7F
voltage
-55
4.8
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
Amplitude Control
201 Vampl
Differential Output Amplitude
Vampl = Vpp(PSIN) − Vpp(NSIN), ENAC = ’1’,
3.2
Vpp
see Fig. 6
202 Vratio
203 Vratio
204 tampl
Amplitude Ratio
Amplitude Ratio
Vratio = Vpp(PSIN) / Vpp(PCOS)
Vratio = Vpp(PSIN) / Vpp(PCOS)
1.09
0.91
300
Settling Time of Amplitude Con- ±10%
trol
µs
205 Vae()lo
206 Vae()hi
Amplitude Error Threshold for
MINERR
Vpp(PSIN) − Vpp(NSIN)
1.2
5.0
2.8
5.8
Vpp
Vpp
Amplitude Error Threshold for
MAXERR
Vpp(PSIN) − Vpp(NSIN)
Bandgap Reference
401 Vbg
402 Vref
Bandgap Reference Voltage
1.2
45
1.25
50
1.3
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
Turn-on Threshold VPD, System V(VPD) − V(VND), increasing voltage
3.7
V
on
Turn-off Threshold VPD, System V(VPD) − V(VND), decreasing voltage
3
3.5
3.8
V
reset
406 VPDhys
407 Vosr
Hysteresis System on/reset
0.35
480
V
Reference voltage offset com-
pensation
500
520
mV
ICHAUS [ IC-HAUS GMBH ]
