AS5145A AMSCO [austriamicrosystems AG], AS5145A Datasheet - Page 4

• Manufacturer Part Number: AS5145A
• Description: 12-Bit Programmable Magnetic Rotary Encoder
• Manufacturer: AMSCO [austriamicrosystems AG]

AS5145
Data Sheet - P i n A s s i g n m e n t s
4 Pin Assignments
Figure 2. Pin Assignments (Top View)
4.1 Pin Descriptions
The following SSOP16 shows the description of each pin of the standard SSOP16 package (Shrink Small Outline Package, 16 leads, body size:
5.3mm x 6.2mmm;
Table 1. Pin Descriptions
www.austriamicrosystems.com/AS5145
Pin Number
10
11
12
13
1
2
3
4
5
6
7
8
9
(see Figure
Mode_Index
2).
Pin Name
MagDECn
DTest1_A
DTest2_B
MagINCn
PDIO
PWM
V
CLK
CSn
NC
DO
NC
SS
Mode_Index
MagDECn
DTest1_B
DTest1_A
MagINCn
VSS
PDIO
NC
Magnet Field Magnitude INCrease; active low, indicates a distance reduction between the
magnet and the device surface.
Magnet Field Magnitude DECrease; active low, indicates a distance increase between the
device and the magnet.
Test output in default mode
Test output in default mode
Must be left unconnected
Select between slow (open, low: V
(~10kΩ).
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 approximately. 244Hz; 1µs/step
(optional 122Hz; 2µs/step)
Must be left unconnected
1
2
3
4
5
6
7
8
Revision 1.10
(see Table 9)
16
15
14
13
12
10
11
(see Table 9)
9
SS
) and fast (high) mode. Internal pull-down resistor
Description
CSn
CLK
DO
PWM
VDD3V3
NC
NC
VDD5V
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