AS5045-ASSU austriamicrosystems, AS5045-ASSU Datasheet - Page 5

• 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
DO_OD
DO
DI_PD
DI_PU
6 Electrical Characteristics
6.1 AS5045 Differences to AS5040
All parameters are according to AS5040 datasheet except for the parameters shown below:
www.austriamicrosystems.com
Building Block
Resolution
Data length
Incremental
encoder
Pins 1 and 2
Pin 6
Pin 12
Sampling
frequency
Pin
10
11
12
13
14
15
16
5
6
7
8
9
NC
Mode
VSS
Prog_DI
DO
CLK
CSn
PWM
NC
NC
VDD3V3
VDD5V
digital output open drain
digital output
digital input pull-down
digital input pull-up
Symbol
AS5045
12bits, 0.088°/step.
Read: 18bits
(12bits data + 6 bits status)
OTP write: 18 bits
(12bits zero position + 6 bits mode selection)
Not used
Pin 3: not used
Pin 4:not used
MagINCn, MagDECn: same feature as
AS5040, additional OTP option for red-
yellow-green magnetic range
MODE pin, switch between fast and slow
mode
PWM output: frequency selectable by OTP:
1µs / step, 4096 steps per revolution,
f=244Hz 2µs/ step, 4096 steps per
revolution, f=122Hz
Selectable by MODE input pin:
2.5kHz, 10kHz
-
-
S
DI_PD
DO_T
DI, ST
DI_PU, ST
DO
-
-
S
S
Type
Positive Supply Voltage, 3.0 to 5.5 V
3V-Regulator Output, internally regulated from VDD5V. Connect to VDD5V for
3V supply voltage. Do not load externally.
Must be left unconnected
Select between slow (low, VSS) and fast (high, VDD5V) mode. Internal pull-down
resistor.
Negative Supply Voltage (GND)
OTP Programming Input and Data Input for Daisy Chain mode. Internal pull-
down resistor (~74kΩ). Connect to VSS if not used
Data Output of Synchronous Serial Interface
Clock Input of Synchronous Serial Interface; Schmitt-Trigger input
Chip Select, active low; Schmitt-Trigger input, internal pull-up resistor (~50kΩ)
Pulse Width Modulation of approx. 244Hz; 1µs/step (opt. 122Hz; 2µs/step)
Must be left unconnected
Must be left unconnected
DI
DO_T
ST
S
Revision 1.7
supply pin
digital input
digital output /tri-state
Schmitt-Trigger input
AS5040
10bit, 0.35°/step
Read: 16bits
(10bits data + 6 bits status)
OTP write: 16 bits
(10bits zero position + 6 bits mode selection)
Quadrature, step/direction and BLDC motor
commutation modes
Pin 3:incremental output A_LSB_U
Pin 4:incremental output B_DIR_V
MagINCn, MagDECn indicate in-range or
out-of-range magnetic field plus movement
of magnet in z-axis
Pin 6:Index output
PWM output:
1µs / step, 1024 steps per revolution,
976Hz PWM frequency
Fixed at 10kHz @10bit resolution
Description
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