AS5040-ASST austriamicrosystems, AS5040-ASST Datasheet - Page 17

• Manufacturer Part Number: AS5040-ASST
• Description: IC ENCODER PROG 10-BIT 16-SSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5040-ASST

• Sensing Range: 45mT ~ 75mT
• Voltage - Supply: 3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Current - Supply: 21mA
• Current - Output (max): 4mA
• Output Type: Quadrature with Index (Incremental)
• Features: Programmable
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AS5040-ASSTTR

AS5040
Data Sheet
OTP Register Contents:
CCW
Z [9:0]
Indx
Div1,Div0
Md1, Md0
OTP Default Setting
The AS5040 can also be operated without programming. The default, un-programmed setting is shown in Table 6
(Mode 0.0):
CCW: 0
Z9 to Z0: 00
Indx: 0
Div0,Div1 : 00
Md0, MD1: 00
Figure 14: Programming Access – Write Data (section of Figure 15)
Figure 15: Complete Programming Sequence
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Counter Clockwise Bit
ccw=0 – angular value increases in clockwise direction
ccw=1 – angular value increases in counterclockwise direction
CLK
Prog
CSn
PROG
Programmable Zero / Index Position
Index Pulse Width Selection: 1LSB / 3LSB
Divider Setting of Incremental Output
Incremental Output Mode Selection
= clockwise operation
= no programmed zero position
= Index bit width = 1LSB
= incremental resolution = 10bit
= incremental mode = quadrature
Write Data
t
Load PROG
Data
1
Revision 2.10
Programming Mode
t
PrgR
t
t
PROG
PrgH
16
Power Off
t
PROG finished
7.5V
VDD
V
0V
ProgOff
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