AS5045-ASSU austriamicrosystems, AS5045-ASSU Datasheet - Page 11

• Manufacturer Part Number: AS5045-ASSU
• Description: IC ENCODER PROG 12-BIT 16-SSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5045-ASSU

• 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: Digital, PWM, 12-Bit Serial
• Features: Programmable
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AS5045
Data Sheet
6.7.2
(operating conditions: T
unless otherwise noted)
Note: when OTP bit “PWMhalfEn” is set, the PWM pulse width PW is doubled (PWM frequency f
6.8 Programming Conditions
(operating conditions: T
unless otherwise noted)
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Parameter
Programming enable time
Write data start
Write data valid
Load programming data
Rise time of V
CLK
Hold time of V
CLK
Write data – programming
CLK
CLK pulse width
Hold time of Vprog after
programming
Programming voltage, pin
PROG
Programming voltage off level
Programming current
Analog read CLK
Programmed Zener voltage
(log.1)
Unprogrammed Zener voltage
(log. 0)
Parameter
PWM frequency
Minimum pulse width
Maximum pulse width
PROG
PROG
PROG
Pulse Width Modulation Output
PROG
PROG
before
after
amb
amb
= -40 to +125°C, VDD5V = 3.0~3.6V (3V operation) VDD5V = 4.5~5.5V (5V operation)
= -40 to +125°C, VDD5V = 3.0~3.6V (3V operation) VDD5V = 4.5~5.5V (5V operation)
Symbol
PW
PW
f
PWM
V
t
MAX
MIN
V
t
t
t
CLK
Symbol
PROG finished
unprogrammed
CLK
V
Prog enable
Data in valid
Load PROG
programmed
V
t
t
I
t
t
Data in
PROG
ProgOff
PROG
PrgR
PrgH
PROG
PROG
Aread
3891
Min
0.95
232
220
Min
250
4096
1.8
7.3
Typ
244
244
2
2
3
0
0
2
0
1
Revision 1.7
1
4301
Max
1.05
256
268
Typ
7.4
2
Unit
Hz
µs
µs
Max
250
130
100
100
2.2
7.5
5
1
Note
Signal period = 4097µs ±5% at T
= 4097µs ±10% at T
Position 0d; Angle 0°
Position 4095d; Angle 359.91°
Unit
kHz
kHz
mA
mV
µs
µs
ns
µs
µs
µs
µs
µs
V
V
V
Note
Time between rising edge at
Prog pin and rising edge of CSn
Write data at the rising edge of
CLK
Ensure that V
rising edge of CLK
During programming; 16 clock
cycles
Programmed data is available
after next power-on
Must be switched off after
zapping
Line must be discharged to this
level
During programming
Analog Readback mode
V
Readback mode (see 11.4)
Ref
-V
PROG
PROG
amb
PWM
during Analog
= -40 to +125°C
PROG
is divided by 2)
is stable with
amb
= 25°C
11 – 33