AS5043
Data Sheet - Pin Configuration
5 Pin Configuration
Figure 2: AS5043 Pin Configuration SSOP16
MagRngn
Mode
CSn
CLK
NC
DO
VSS
Prog_DI
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VDD5V
VDD3V3
NC
NC
Vout
FB
DACout
DACref
Package = SSOP16 (16 lead Shrink Small Outline Package)
Table 1: Pin Description SSOP16
Pin Symbol
Type
Description
1
MagRngn DO_OD
Magnet Field Mag nitude R a NG e warning; active low, indicates that the magnetic field
strength is outside of the recommended limits.
2
3
4
5
6
7
Mode
CSn
CLK
NC
DO
VSS
DI_PD, ST
DI_PU, ST
DI,ST
-
DO_T
S
Mode input. Select between low noise (low, connect to VSS) and high speed (high,
connect to VDD5V) mode at power up. Internal pull-down resistor.
C hip S elect, active low; Schmitt-Trigger input, internal pull-up resistor (~50k Ω )
Cl oc k Input of Synchronous Serial Interface; Schmitt-Trigger input
must be left unconnected
D ata O utput of Synchronous Serial Interface
Negative Supply Voltage (GND)
OTP Prog ramming Input and Data Input for Daisy Chain mode. Internal pull-down resistor
8
Prog_DI
DI_PD
(~74k Ω ).
Should be connected to VSS if programming is not used
9
10
11
12
13
14
15
16
DACref
DACout
FB
Vout
NC
NC
VDD3V3
VDD5V
AI
AO
AI
AO
-
-
S
S
DAC Ref erence voltage input for external reference
DAC out put (unbuffered, Ri ~8k Ω )
F eed b ack, OPAMP inverting input
OPAMP out put
Must be left unconnected
Must be left unconnected
3V-Regulator Output for internal core, regulated from VDD5V.Connect to VDD5V for 3V
supply voltage. Do not load externally.
Positive Supply Voltage, 3.0 to 5.5 V
DO_OD digital output open drain
DI_PD digital input pull-down
DI_PU digital input pull-up
www.austriamicrosystems.com
S
DO_T
ST
supply pin
digital output /tri-state
Schmitt-trigger input
Revision 1.80
AI
AO
DI
analog input
analog output
digital input
2 – 36
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