AS5035-T Просмотр технического описания (PDF) - austriamicrosystems AG
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AS5035-T Datasheet PDF : 18 Pages
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AS5035 – 64 PPR INCREMENTAL MAGNETIC ROTARY ENCODER
VDDV3V
VDD5V
LDO 3.3V
Hall Array
Sin
&
Frontend
Amplifier
Cos
Ang
DSP
Mag
Incremental
Decoder
MagINCn
MagDECn
CSn
Channel A
Channel B
Index
AS5035
OTP
Zero
Position
Figure 3: AS5035 Block diagram
OTP_CLK
OTP_DO
PROG
4.1 Pin List & Description
Pin # Name
Type
AS5035
SSOP16
1
MagInc
ill 2
MagDec
3
A
t 4
B
G s 5
N.C.
6
Index
A t 7
VSS
s n 8
Prog
m te 9
OTP_DO
a n 10
OTP_CLK
o 11
CSn
l c 12
N.C.
13
N.C.
a 14
N.C.
ic 15
VDD3V3
16
VDD5V
DO_OD
DO_OD
DO
DO
test
DO
Supply
DI , pd
DO_T
DI,ST
DI_ST, pu
test
test
test
Supply
Supply
Mag. Field indicator
Mag. Field indicator
Quadrature channel A
Quadrature channel B
Must be left open
Incremental Index output
Supply Ground
OTP Programming Input. Internal pull-down resistor
(~74kΩ).
Should be connected to VSS if not used
Data Output for Zero Position programming
Clock Input for Zero Position programming; Schmitt-
Trigger input. Should be connected to VSS if not used
Enable outputs A,B,I (see 5.4). Connect to VSS for
normal operation
Must be left open
Must be left open
Must be left open
3V regulator output
5V positive supply input
n Table 1: Pin description
h DO_OD : digital output, open drain
DO
: digital push/pull output
DI
: digital input
ST
: Schmitt-Trigger input
c pu
: internal pull-up resistor
pd
: internal pull-down resistor
Te test : pin is used for factory testing, must be left unconnected
valid
4.2 Unused Pins
Pins # 5, 8, 12, 13 and 14 are for factory testing and must be left unconnected
Pins# 8, 9 and 10 are used for OTP Zero Position Programming only. In normal operation, they can be left open or connected to
VSS (pins 8 and 10 only)
Revision 1.5
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