參數(shù)資料
型號： AS5140H-ASST
廠商： ams
文件頁數(shù)： 10/38頁
文件大?。?/td> 1279K
描述： IC ENCODER ROTARY 10BIT 16-SSOP
標(biāo)準(zhǔn)包裝： 2,000
傳感范圍： 45mT ~ 75mT
類型： 線性，旋轉(zhuǎn)編碼器 - 可編程
電源電壓： 3 V ~ 3.6 V，4.5 V ~ 5.5 V
電流 - 電源： 21mA
電流 - 輸出（最大）： 4mA
輸出類型： 數(shù)字式，PWM，10 位串行
特點： 可編程
工作溫度： -40°C ~ 150°C
封裝/外殼： *
供應(yīng)商設(shè)備封裝： *
包裝： *
www.austriamicrosystems.com/AS5140H
Revision 1.4
9 - 37
AS5140H
Data Sheet - Electrical Characteristics
6.4 Programming Conditions
TAMB
 
= -40 to 150篊, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation), unless otherwise noted.
LSB
7 bit
Adjustable resolution only available for
incremental output modes;
Least significant bit, minimum step
2.813
deg
8 bit
1.406
9 bit
0.703
10 bit
0.352
INL
opt
Integral non-linearity (optimum)
2
Maximum error with respect to the best line
fit.
Verified at optimum magnet placement,
TAMB =25篊
?.5
deg
INL
temp
Integral non-linearity (optimum)
Maximum error with respect to the best line
fit.
Verified at optimum magnet placement,
TAMB = -40 to +150篊
?.9
deg
INL
Integral non-linearity
Best line fit = (Err
max
  Err
min
) / 2
Over displacement tolerance with 6mm
diameter magnet, TAMB = -40 to +150篊
(see Figure 3)
?.4
deg
DNL
Differential non-linearity
3
10bit, no missing codes
?.176
deg
TN
Transition noise
4
RMS equivalent to 1 sigma
0.12
Deg
RMS
Hyst
Hysteresis
Incremental modes only
0.704
deg
V
on
Power-on reset thresholds
On voltage; 300mV typ. hysteresis
DC supply voltage 3.3V (VDD3V3)
1.37
2.2
2.9
V
V
off
Power-on reset thresholds
Off voltage; 300mV typ. hysteresis
1.08
1.9
2.6
t
PwrUp
Power-up time
Until offset compensation finished
50
ms
t
delay
System propagation delay
absolute output
Includes delay of ADC and DSP
48
祍
System propagation delay
incremental output
Calculation over two samples
192
祍
f
S
Sampling rate for absolute output
Internal sampling rate, TAMB = 25篊
9.90
10.42
10.94
kHz
Internal sampling rate, TAMB = -40 to
+150篊
9.38
10.42
11.46
CLK
Read-out frequency
Max. clock frequency to read out serial data
1
MHz
1. Digital Interface
2. Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position.
3. Differential Non-Linearity (DNL) is the maximum deviation of the step length from one position to the next.
4. Transition Noise (TN) is the repeatability of an indicated position.
Table 12. Programming Conditions
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
PROG
Programming voltage
Voltage applied during programming
3.0
3.3
3.6
V
V
ProgOff
Programming voltage off level
Line must be discharged to this level
0
1
V
I
PROG
Programming current
Current during programming
100
mA
Table 11. Electrical System Specifications (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
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