TLE4998S8D Datasheet, PDF (21/23 Pages) Infineon Technologies AG – High Performance Programmable Dual Linear Hall Sensor

TLE4998S8D Grade1
SENT Output Definition (SAE J2716)
TRIGGER
omitted if F[1] = 1*
omitted if F[0] = 1*
SYNC
STATUS
H1
H2
H3
H4
T1
T2
CRC
bits
description
state state
status information
10 RR/ID startup condition in RR / of ID
01 RR/ID overvoltage in RR / of ID
00 RR/ID normal state in RR / of ID
bits
description
11
+/- 50mT or ID #3
10
+/- 100mT or ID #2
01
+/- 100mT or ID #1
00
+/- 200mT or ID #0
bits
H1
H2
H3
H4
1111
1111
1111
1111
1111
1111
1111
1111
1111
:
0000
0000
0000
0000
0000
0000
0000
0000
0000
1111
1111
1111
1111
1111
1111
1111
1111
1111
:
0000
0000
0000
0000
0000
0000
0000
0000
0000
1111
1111
1111
1111
1110
1110
1110
1110
1101
:
0010
0001
0001
0001
0000
0000
0000
0000
0000
1111
1110
:
0000
1111
1110
:
0000
1111
:
0000
1111
:
0000
1111
1110
:
0001
0000
description 1
decimal: OUT₁₂
( = H1*256+H2*16 +H3 )
4095 (FSR)
4095
4095
4095
4094
4094
4094
4094
4093
:
2
1
1
1
0
0
0
0
0
description 2
decimal: OUT₁₆
( = OUT12*16+H4 )
65535 (FSR)
65534
:
65520
65519
65518
:
65504
65503
:
32
31
:
16
15
14
:
1
0
* The number of nibbles is programmed
in the frame register F
Figure 9-2 Content of a SENT Data Frame (8 Nibbles)
Technical Product Description
21
description
CRC calculation
for all nibbles
seed value : 0101
polynomial : X⁴+X³ +X²+1
bits
T1
T2
1111
1111
1111
1111
1110
:
0101
0100
:
0011
0011
:
0000
0000
1111
1110
:
0000
1111
:
0000
1111
:
0111
0110
:
0001
0000
description
decimal: TEMP₈
( = T1*16 + T2 )
200 °C
199 °C
:
185 °C
184 °C
:
25 °C
24 °C
:
0°C
-1°C
:
-54 °C
-55 °C
Abbreviations :
TRIGGER – trigger nibble
SYNC – synchronization nibble
STATUS – status nibble
CRC – cyclic redundancy code nibble
FSR – full scale range
H1..4 – hall value
T1..2 – temperature value
OUT₁₂ – 12 bit output value
OUT₁₆ – 16 bit output value
TEMP₈ – 8 bit temperature value
Revision 1.0, 2013-02-22