AK7401 Datasheet, PDF (4/29 Pages) Asahi Kasei Microsystems – Rotary Position Sensor IC

6. Pin Configuration
Table 2. Pin Description
No. Symbol
I/O
Type
Function
1
VDD
-
Power
Power Supply Pin
2
TEST0
-
-
Test Dedicated Pin (Note 1)
3
CS
I
Digital
Chip Select Signal Pin
4
SCLK
I
Digital
Serial Clock Signal Pin
5
OUT
O
Digital
PWM Output Pin
6
TEST1
-
-
Test Dedicated Pin (Note 1)
7 SIN/SOUT I/O
Digital
Serial Input/Output Data Signal Pin
8
VSS
-
Power
Ground Pin
Note 1. The TEST0 and TEST1 pins must be open.
[AK7401]
VDD
1
TEST0
CS
SCLK
4
8
VSS
9
SIN/SOUT
TEST1
5
OUT
Figure 2. Pin Configuration
7. Absolute Maximum Ratings
Parameter
Symbol Min.
Max.
Unit
Notes
Supply Voltage
V_DD
-16
16
(Note 2)
VDD, VSS pin
V over voltage protection
reverse voltage protection
Terminal Voltage 1 V_TERM1
-0.3
Terminal Voltage 2 V_TERM2
-0.3
Output Current on
OUT pin
I_OUT1
-10
V_DD
(Note 2)
6
10
V
OUT, SIN/SOUT, CS, SCLK pin
V_DD > V_TERM1
V
TEST0, TEST1 pin
V_DD > V_TERM2
mA
Output Current on
SIN/SOUT pin
I_OUT2
-1.25
1.25
mA
Storage
Temperature
Tstg
-50
+150
C
Note 2. The values of V_DD and V_TERM1 are for instantaneous voltage by accident, are not for a constant
condition such as an operating condition.
WARNING: Operation at or beyond these limits may cause permanent damage to the device. Normal
operation is not guaranteed at these extremes.
014002685-E-01
-4-
2015/07