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AS5040 View Datasheet(PDF) - austriamicrosystems AG

Part Name
Description
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AS5040 Datasheet PDF : 33 Pages
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AS5040
Data Sheet
Parameter
Read-out frequency
Symbol Min Typ Max Unit
Note
fCLK
>0
1
MHz Clock frequency to read out serial data
Pulse Width Modulation Output
(operating conditions: Tamb = -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
PWM frequency
Minimum pulse width
Maximum pulse width
f PWM
PW MIN
PW MAX
0.927
0.878
0.90
922
0.976
0.976
1
1024
1.024
1.074
1.10
1126
KHz Signal period = 1025µs ±5% at Tamb = 25°C
=1025µs ±10% at Tamb = -40 to +125°C
µs Position 0d; angle 0 degree
µs Position 1023d; angle 359.65 degree
Incremental Outputs
(operating conditions: Tamb = -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
Incremental outputs valid
after power-up
t Incremental
outputs valid
Directional indication valid t Dir valid
Time between first falling edge of CSn
500 ns after power-up and valid incremental
outputs
500
ns
Time between rising or falling edge of
LSB output and valid directional indication
Programming Conditions
(operating conditions: Tamb = -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
Programming enable time
t Prog enable
2
µs
Time between rising edge at Prog pin
and rising edge of CSn
Write data start
t Data in
2
µs
Write data valid
t Data in valid
250
ns
Write data at the rising edge of
CLKPROG
Load programming data
t Load PROG
3
µs
Rise time of VPROG before
CLKPROG
Hold time of VPROG after
CLKPROG
Write data – programming
CLKPROG
t PrgR
0
t PrgH
0
CLK PROG
µs
5
µs
250 kHz
CLK pulse width
t PROG
1.8
2
2.2
µs During programming; 16 clock cycles
Hold time of Vprog after
programming
t PROG finished
2
µs
Programmed data is available after
next power-on
Programming voltage
V PROG
7.3 7.4 7.5
V Must be switched off after zapping
Programming voltage off level V ProgOff
0
1
V Line must be discharged to this level
Programming current
I PROG
130 mA During programming
Analog read CLK
CLKAread
100 kHz Analog readback mode
Programmed zener voltage
(log.1)
Vprogrammed
Unprogrammed zener voltage
(log. 0)
Vunprogrammed
1
100 mV
VRef-VPROG during analog readback
mode (see Analog Readback Mode)
V
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Revision 2.10
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