iC-Haus iC-PVS, Руководство пользователя, Страница: 10 / 51

preliminary preliminary
iC-PVS
LINEAR/OFF-AXIS
BATTERY-BUFFERED ABSOLUTE POSITION HALL SENSOR
Rev A2, Page 10/51
ELECTRICAL CHARACTERISTICS
Operating conditions:
VDD = 3.15...5.5 V, VBAT = 3.0...5.0 V, GND = 0 V, Tj = -40...125
° C, fslow calibrated to 34 kHz with IBIAS, unless otherwise stated.
Item Symbol Parameter Conditions Unit
No. Min. Typ. Max.
I
2
C EEPROM Interface: SCL, SDA
701 Vt()hi Input Threshold Voltage hi 1.7 2 V
702 Vt()lo Input Threshold Voltage lo 0.8 1.4 V
703 Vt()hys Input Hysteresis Vt()hys = Vt()hi - Vt()lo 75 200 500 mV
704 Vs()lo Saturation Voltage lo I() = 4 mA 0.05 0.4 V
705 Isc()lo Short-Circuit Current lo VDDS = 3.15 V, V() = VDDS 8 30 mA
706 Ipu() Pull-Up Current V() = 0 V...VDDS - 1 V -1000 -300 -30 µ A
707 fclk(SCL) I
2
C Output Frequency at SCL 30
f
fast
/
128
70 kHz
708 tbusy()cfg Duration of Configuration Phase IBP not adjusted; without EEPROM
(SDA stuck at GND)
0.5 1 ms
EEPROM access without I
2
C read error 30 40 ms
EEPROM access with I
2
C read error 250 500 ms
Digital Inputs CLK, SI, NCS and GPIOx
801 fclk(CLK) Permissible Clock Frequency at
CLK SPI protocol 4 MHz
SSI protocol 4 MHz
BiSS C protocol 10 MHz
802 Vt()hi Threshold Voltage hi 1.7 2 V
803 Vt()lo Threshold Voltage lo 0.8 1.4 V
804 Vt()hys Hysteresis Vt()hys = Vt()hi - Vt()lo 100 250 500 mV
805 Ipu() Pull-Up Current at CLK, SI, NCS V() = 0 V...VDDS - 1 V -75 -30 -3 µ A
806 Ipd() Pull-Down Current at GPIOx V() = 0 V...1 V 3 30 75 µ A
Preset Input: PRE
901 T
pulse
(
PRE
) Permissible hi pulse length on
Pin PRE
2 µ s
902 Vt(PRE)hi Threshold Voltage hi 1.7 2 V
903 Vt(PRE)lo Threshold Voltage lo 0.8 1.4 V
904 Vt(PRE)hys Hysteresis Vt()hys = Vt()hi - Vt()lo 100 250 500 mV
905 Ipd(PRE) Pull-Down Current V() = 1 V...VDDS 8 120 300 µ A
Digital Outputs SO and GPIOx
A01 t
out
(SO) Adaptive Slave Timeout at SO NTOA = 0
refer to timing Figure 4
t
init
measured as first 1.5
·
T(CLK) each frame.
2 / ffast t
init
+
4 / ffast
120 /
ffast
A02 t
out
(SO) Fixed Slave Timeout at SO NTOA = ’1’, (120 / ffast) 20 µ s
A03 Vs()hi Saturation Voltage hi Vs()hi = VDDS - V(), I() = -1.6 mA 0.05 0.4 V
A04 Vs()lo Saturation Voltage lo I() = 1.6 mA 0.05 0.4 V
A05 Isc()hi Short-Circuit Current hi VDDS = 3.15 V, V() = GND -15 -4 mA
A06 Isc()lo Short-Circuit Current lo VDDS = 3.15 V, V() = VDDS 4 15 mA
50%
± AArel
0% 100%
Figure 1: Definition of AB duty cycle ratio