S-57A1-A Datasheet, PDF (5/17 Pages) Seiko Instruments Inc – FOR AUTOMOTIVE OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL EFFECT SWITCH IC

FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL EFFECT SWITCH IC
Rev.1.7_00
S-57A1 A Series
 Electrical Characteristics
Table 6
Item
Power supply voltage
Current consumption
Current consumption
during reverse connection
Output voltage
Output drop voltage
Leakage current
Output limit current
Output delay time
Chopping frequency
Start up time
Output rise time
Output fall time
Pull-up resistor
Symbol
(Ta = +25°C, V_DD = 12.0 V, V_SS = 0 V unless otherwise specified)
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
V_DD
−
3.5 12.0 26.0 V −
Nch open-drain output product
I_DD
Average value
Nch driver + built-in pull-up resistor product
Average value, V_OUT = "H"
− 3.0 4.0 mA 1
− 3.0 4.0 mA 1
I_DDREV
Nch open-drain output product
V_DD = −26.0 V
Nch driver + built-in pull-up resistor product
V_DD = −26.0 V
−1
−
−5
−
− mA 1
− mA 1
V_OUT
Nch open-drain output product
Output transistor Nch, V_OUT = "L", I_OUT = 10 mA
Nch driver + built-in pull-up resistor product
Output transistor Nch, V_OUT = "L", I_OUT = 10 mA
−
−
−
0.4 V
2
−
0.5 V
2
V_D
Nch driver + built-in pull-up resistor product
V_OUT = "H", V_D = V_DD − V_OUT
−
−
20 mV 2
I_LEAK
Nch open-drain output product
Output transistor Nch, V_OUT = "H" = 26.0 V
−
−
10 μA 3
I_OM
V_OUT = 12.0 V
22
−
70 mA 3
t_D
−
− 16.0 − μs −
f_C
−
− 250 − kHz −
t_PON
−
−
30
−
μs 4
Nch open-drain output product
t_R
C = 20 pF, R = 820 Ω
Nch driver + built-in pull-up resistor product
C = 20 pF
−
− 2.0 μs 5
−
− 6.0 μs 5
t_F
C = 20 pF, R = 820 Ω
R_L
Nch driver + built-in pull-up resistor product
−
− 2.0 μs 5
7
10 13 kΩ −
S pole
Magnetic flux density
applied to this IC (B)
B_OPS
B_RPS
0
Output voltage (V_OUT)
(Product with S pole
detection and active "L")
90%
10%
Output voltage (V_OUT)
(Product with S pole
detection and active "H")
90%
10%
t_D
t_F
t_D
t_R
t_D
t_R
t_D
t_F
Figure 4 Operation Timing
5