IC-MHM Datasheet, PDF (8/63 Pages) IC-Haus GmbH – 14-BIT ABSOLUTE ANGLE HALL ENCODER

iC-MHM
14-BIT ABSOLUTE ANGLE HALL ENCODER
Rev D1, Page 8/63
ELECTRICAL CHARACTERISTICS
Operating conditions: VDD = 5 V ±10 %, Tj = -40...125 °C, CIBM adjusted to 200 µA, 4 mm NdFeB magnet, unless otherwise noted
Item Symbol Parameter
No.
Conditions
Unit
Min. Typ. Max.
General
001 VDD
Permissible Supply Voltage VDD load current I(VDDS) < -10 mA
versus GND
4.5
5.5
V
002 I(VDD) Supply Current in VDD
without load
25
32
mA
003 I(VDDS) Permissible Load Current in
VDDS
VDD = 5 V ±5 %
-25
0
mA
005 Vc()hi
Clamp-Voltage hi at P1, P2, P3, Vc()hi = V() − VDDS, I() = 1 mA
MCL, MDI, NERR, NCS, SCL,
SDA
0.4
1.5
V
006 Vc()lo
Clamp-Voltage lo at all pins
I() = -1 mA
-1.5
-0.3
V
Hall Sensors
101 Hext
Permissible Magnetic Field
Strength
at chip surface
20
100 kA/m
102 fmag
Operating Magnetic Field
Frequency
AVGFILT = 0, RESO_ST ≥ 4, TLF = 1
1.4 kHz
103 rpm
Rotating Speed of Magnet
refer to Elec. Char. 102
84000 rpm
104 dsens
Diameter of Hall Sensor Circle
2.42
mm
105 xdis
Permissible Lateral Displacement
of Magnet Axis to Center of Hall
Sensors
0.2 mm
106 xpac
Displacement Chip Center to
Package Center
package QFN28-5x5
-0.2
0.2 mm
107 ϕpac
Angular Alignment of Chip vs. package QFN28-5x5
Backside Paddle
-1
+1 Deg
108 hpac
Distance of Chip Surface to
Package Surface
package QFN28-5x5
0.4
mm
Signal Conditioning
201 Vos
Maximum Positive Offset Correc- VOSS or VOSC = 0x7F
tion Range
-37.5 -31.5 -27.5 mV
202 Vos
Maximum Negative Offset Correc- VOSS or VOSC = 0x3F
tion Range
27.5 31.5 37.5 mV
203 Vopt
Optimal Differential Output
Voltage
Vopt = Vpp(PSIN) − Vpp(NSIN), ENAC = 0,
refer to Figure 13
1
Vpp
Amplitude Control
301 Vdiff()pk Differential Output Amplitude
Vampl = Vpp(PSIN) − Vpp(NSIN), ENAC = 1, 0.8
refer to Figure 13
1.2 Vpp
302 Vratio
Amplitude Ratio
Vratio = Vpp(PSIN) / Vpp(PCOS)
0.92
1.09
303 S()ctrl
Settling Time of Amplitude
to ±10 % of final setpoint
Control
304 Vpp()min Amplitude Error Threshold for (V(PSIN-NSIN))² + (V(PCOS-NCOS))²
0.3
ERR_AMIN
< Vpp()min
305 Vpp()max Amplitude Error Threshold for (V(PSIN-NSIN))² + (V(PCOS-NCOS))²
1.20
ERR_AMAX
> Vpp()max
300
µs
0.7 Vpp
1.45 Vpp
Bandgap Reference
401 Vbg
Bandgap Reference Voltage
at pin PCOS, mode TEST = 0x19
1.17 1.24 1.32
V
402 Vref
Reference Voltage
at pin PSIN, mode TEST = 0x19
45
50
55 %VDDS
403 Ibias
Bias Current
at pin NSIN, mode TEST = 0x19;
CIBM = 0x0
CIBM = 0xF
bias current adjusted
-100 µA
-370
µA
-220 -200 -180 µA
404 VDDon
Turn-on Threshold VDD
(Power-Up-Enable)
increasing voltage
3.65 4.0 4.3
V
405 VDDoff
406 VDDhys
Turn-off Threshold VDD
(Power-Down-Reset)
Turn-on Threshold Hysteresis
decreasing voltage
3
3.5 3.8
V
0.3
V