参数资料
型号: AS5263-HQFT
厂商: ams
文件页数: 17/38页
文件大小: 0K
描述: IC SENSOR MAGN ANGLE POS 32QFN
标准包装: 1
位置 - 感应: 360°
传感器类型: 角度,旋转
电源电压: 4.5 V ~ 5.5 V
线性: ±5%
工作温度: -40°C ~ 150°C
其它名称: AS5263-HQFTDKR
AS5263
Datasheet - D e t a i l e d D e s c r i p t i o n
The PWM frequency can be programmed by the OTP bits PWM_frequency (1:0) . Therefore, four different frequencies are possible.
Table 11. PWM Signal Parameters
Symbol
f PWM1
f PWM2
f PWM3
f PWM4
Parameter
PWM frequency1
PWM frequency2
PWM frequency3
PWM frequency4
Min
123.60
247.19
494.39
988.77
Typ
137.33
274.66
549.32
1098.63
Max
151.06
302.13
604.25
1208.50
Unit
Hz
Hz
Hz
Hz
Note
PWM_frequency (1:0) = “00”
PWM_frequency (1:0) = “01”
PWM_frequency (1:0) = “10”
PWM_frequency (1:0) = “11”
PW MIN
PW MAX
MIN pulse width
MAX pulse width
(1+1)*1/
f PWM
(1+4094)*1/
f PWM
μs
ms
Taking into consideration the AC characteristic of the PWM output including load, it is recommended to use the clamping function. The
recommended range is 0% to 4% and 96% to 100%.
Table 12. Electrical Parameters for the PWM Output Mode
Symbol
PWMVOL
ILEAK
PWMDC
Parameter
Output voltage low
Output leakage
PWM duty cycle range
Min
0
-20
4
Typ
Max
0.4
20
96
Unit
V
μA
%
I OUT =8mA
V OUT =VDD=5V
Note
Between 75% and 25%
PWMSRF
PWM slew rate
1
2
4
V/μs
R PU /R PD = 1k Ω ,
C LOAD = 1nF, VDD = 5V
7.4 Kick Down Function
The AS5263 provides a special compare function. This function is implemented using a programmable angle value with a programmable
hysteresis. It will be indicated over the open drain output pin KDOWN_T , KDOWN_B . If the actual angle is above the programmable value plus
the hysteresis, the output is switched to low. The output will remain at low level until the value KD is reached in the reverse direction.
Figure 10. Kick Down Hysteresis Implementation
KDHYS
KDOWN
KD(5:0)
KD(5:0)+KDHYS
www.austriamicrosystems.com/AS5263
Revision 1.4
16 - 37
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