参数资料
型号: AS5043 DB V2
厂商: ams
文件页数: 31/37页
文件大小: 0K
描述: BOARD DEMO AS5043
标准包装: 1
传感器类型: 磁性,旋转位置
传感范围: 360°
接口: USB
电源电压: 5V USB 或 9V
嵌入式: 是,MCU,8 位
已供物品: 板,线缆
已用 IC / 零件: AS5043
AS5043
Data Sheet – Electrical Characteristics
19.3.6 OPAMP Output Stage
Parameter
Power Supply Range
Symbol
VDD5V
Min
3.0
Typ
Max
5.5
Unit
V
Note
Parallel Load
Capacitance
CL
100
pF
Parallel Load Resistance
RL
4.7
k Ω
3.3V operation
Open Loop Gain
A0
92
130
144
dB
Offset Voltage RTI
Output Range Low
Output Range High
Current capability sink
Current capability source
VosOP
VoutL
VoutH
Isink
Isource
-5
0.95 *
VDD5V
4.8
4.6
5
0.05 *
VDD5V
50
66
mV
V
V
mA
mA
3 sigma
Linear range of analog output
Permanent short circuit current:
V out to VDD5V
Permanent short circuit current:
V out to VSS
Output noise
V noise
160
220
490
μVrms
Over full temperature range;
BW= 1Hz…10MHz,Gain = 2x
2
Internal; OTP: FB_int EN = 1
OPAMP gain (non-
inverting)
Gain
1
4
External OTP: FB_int EN = 0
(default)
With external resistors, pins Vout
[#12] and FB [#11]: see Figure 14
19.4 Magnetic Input Specification
(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)
Two-pole cylindrical diametrically magnetised source:
Parameter
Diameter
Thickness
Magnetic input field
amplitude
Magnetic offset
Symbol
d mag
t mag
B pk
B off
Min
4
2.5
45
Typ
6
Max
75
± 10
Unit
mm
mm
mT
mT
Note
Recommended magnet: ? 6mm x 2.5mm for
cylindrical magnets
Required vertical component of the magnetic
field strength on the die’s surface, measured
along a concentric circle with a radius of 1.1mm
Constant magnetic stray field
Field non-linearity
5
%
Including offset gradient
Input frequency
f mag_abs
10
Hz
Absolute mode: 600 rpm @ readout of 1024
positions (see table 6)
(rotational speed of
Incremental mode: no missing pulses at
magnet)
f mag_inc
166
Hz
rotational speeds of up to 10,000 rpm (see
table 6)
Displacement radius
Recommended magnet
material and
temperature drift
www.austriamicrosystems.com
Disp
0.25
-0.12
-0.035
Revision 1.80
mm
%/K
Max. offset between defined device center and
magnet axis
NdFeB (Neodymium Iron Boron)
SmCo (Samarium Cobalt)
30 – 36
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