AS5140H-ASSU austriamicrosystems, AS5140H-ASSU Datasheet - Page 10

• Manufacturer Part Number: AS5140H-ASSU
• Description: ENCODER, MAGNETIC, ROTARY, 10BIT, 16SSOP
• Manufacturer: austriamicrosystems

Specifications of AS5140H-ASSU

• Brief Features: User Programmable Zero / Index Position, Failure Detection Mode
• Supply Voltage Range: 3V To 3.6V, 4.5V To 5.5V
• Operating Temperature Range: -40°C To +150°C
• Digital Ic Case: RoHS Compliant
• Ic Function: 10-bit Programmable Magnetic Rotary Encoder
• Rohs Compliant: Yes

AS5140H
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
Timing Characteristics
T
Table 5. Timing Characteristics
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Synchronous Serial Interface (SSI)
Pulse Width Modulation Output
Incremental Outputs
t
t
AMB
t
Incrementa
Symbol
DO tristate
t
PW
DO active
t
t
PW
l outputs
T
DO valid
CLK FE
Dir valid
f
t
f
PWM
CLK/2
valid
CSn
CLK
= -40 to +150 ºC, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation), unless otherwise noted.
MAX
MIN
First data shifted to output register
Data output activated (logic high)
Incremental outputs valid after
Directional indication valid
Maximum pulse width
Minimum pulse width
Read-out frequency
Start of data output
Data output tristate
Pulse width of CSn
Data output valid
PWM frequency
Parameter
power-up
Rising edge of CLK shifts out one
Time between rising edge of CLK
Clock frequency to read out serial
CSn =high; To initiate read-out of
Time between first falling edge of
CSn and first falling edge of CLK
Signal period =1025µs ±10% at
Signal period = 1025µs ±5% at
CSn and data output activated
Time between rising or falling
Position 1023d; angle 359.65
CSn after power-up and valid
edge of LSB output and valid
Time between falling edge of
Time between falling edge of
After the last bit DO changes
Position 0d; angle 0 degree
Revision 1.1
T
and data output valid
next angular position
directional indication
incremental outputs
amb
back to “tristate”
T
Conditions
bit at a time
= -40 to +150ºC
amb
degree
data
= 25ºC
0.927
0.878
0.95
Min
500
500
357
500
973
>0
0.976
0.976
1024
Typ
375
1
1.024
1.074
Max
1.05
100
394
100
500
500
1
Units
10 - 38
MHz
kHz
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns