参数资料
型号: AS5040 PB
厂商: ams
文件页数: 8/34页
文件大小: 0K
描述: BOARD PROGRAM AS5040
特色产品: AS5140 – Automotive Rotary Encoder IC
AS5145 – Automotive Rotary Encoder IC
标准包装: 1
模块/板类型: ZIF 插口
适用于相关产品: AS5000 编程器,AS5040
相关产品: AS5040-ASSTDKR-ND - IC ENCODER PROG 10-BIT 16-SSOP
AS5040-ASSTCT-ND - IC ENCODER PROG 10-BIT 16-SSOP
AS5040-ASSTTR-ND - IC ENCODER PROG 10-BIT 16-SSOP
其它名称: AS5045 PB
AS5140H PB
AS5145 PB
AS5040
Data Sheet
Parameter
Symbol
Min
Typ
Max
Unit
Note
System propagation delay
incremental output
192
μs
Calculation over two samples
Sampling rate for absolute
output
Read-out frequency
f S
CLK
9.90
9.38
10.42
10.42
10.94
11.46
1
kHz
MHz
Internal sampling rate, T amb = 25°C
Internal sampling rate, T amb = -40 to
+125°C
Max. clock frequency to read out
serial data
Figure 3: Integral and Differential Non-linearity Example (exaggerated curve)
1023
α 10bit code
Actual curve
1023
2
1
TN
DNL+1LSB
Ideal curve
512
0
INL
0.35°
512
0
0 °
180°
360 °
α [degrees]
Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position.
Differential Non-Linearity (DNL) is the maximum deviation of the step length from one position to the next.
Transition Noise (TN) is the repeatability of an indicated position.
Timing Characteristics
Synchronous Serial Interface (SSI)
(operating conditions: T amb = -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) unless otherwise
noted)
Parameter
Symbol
Min
Typ
Max
Unit
Note
Data output activated
(logic high)
First data shifted to output
register
Start of data output
t DO active
t CLK FE
T CLK / 2
500
500
100
ns
ns
ns
Time between falling edge of CSn and
data output activated
Time between falling edge of CSn and
first falling edge of CLK
Rising edge of CLK shifts out one bit at a
time
Data output valid
t DO valid
357
413
ns
Time between rising edge of CLK and
data output valid
Data output tristate
Pulse width of CSn
www.austriamicrosystems.com
t DO tristate
t CSn
500
100
Revision 2.10
ns
ns
After the last bit DO changes back to
“tristate”
CSn = high; To initiate read-out of next
angular position
7 - 33
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