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AS5215
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
8.8 Analog Sin/Cos Outputs with External Interpolator
Figure 17. Sine and Cosine Outputs for External Angle Calculation
+5V
VDD
100k
VDD
D A
VDD PROG
SINP_1/SINN_1
SINN_1/SINP_1/CM_SIN_1
Micro
Controller
VSS
D A
D A
D A
SINP_2 / SINN_2
AS5130
SINN_2/SINP_2/CM_SIN_2
COSP_1/COSN_1
COSN_1/COSP_1/CM_COS_1
COSP_2/COSN_2
COSN_2/COSP_2/CM_COS_2
VSS
100n
VSS
Notes:
1. We recommend to use a 100k pull-up resistance.
2. Default conditions for unused pins are: DCLK_1/2, CS_1/2, DIO_1/2, TC_1/2, A_TST_1/2, TBO_1/2, TB1_1/2, TB2_1/2,
TB3_1/2 connect to VSS
The AS5215 provides analog Sine and Cosine outputs (SINP, COSP) of the Hall array front-end for test purposes. These outputs allow the user
to perform the angle calculation by an external ADC + μC, e.g. to compute the angle with a high resolution. The output driver capability is 1mA.
The signal lines should be kept as short as possible, longer lines should be shielded in order to achieve best noise performance.
Through the programming of one bit, you have the possibility to choose between the analog Sine and Cosine outputs (SINP, COSP) and their
inverted signals (SINN, COSN). Furthermore, by programming the bits <9:10> you can enable the common mode output signals of SIN and
COS.
The DC bias voltage is 1.5 or 2.5 V.
www.austriamicrosystems.com/AS5215
Revision 1.11
20 - 26
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