tle4998 Infineon Technologies Corporation, tle4998 Datasheet - Page 6

• Manufacturer Part Number: tle4998
• Description: Programmable Linear Hall Sensor
• Manufacturer: Infineon Technologies Corporation

Figure 2
Figure 3
Temperature Coefficient Setup Guide
User’s Manual
rate ~ 400 SPS
TADC sample
Temperature
A
Block Diagram of the TLE4998
Data Processing Flowchart
D
Sensor
TADC
Sensor
Hall
brate
Cali-
TCAL
Compensation
TQ
Temperature
Range
(R)
A
TL
TADC value (IFX),
value with TCAL
value with TCAL²,
value with TCAL,
add it to previous
add it to previous
Hardware-trigger
store OTC out of
X
DSP
store it to TCAL
and store STC
D
multiply TQ
Calculate and
multiply TL
multiply TT
DSP
compensate
TCAL (IFX)
(~16kHz)
store it
1
BW
X
X
DSP
DSP
DSP
3
+
,
HADC
HCAL
X
6
Gain (G)
EEPROM
Stored in
Memory
Offset
rate ~ 16k SPS
(OS)
HADC sample
X
Temperature Coefficient Setup Guide
+
(Clamp)
Limiter
DOUT
Generation
Protocol
from HADC value,
Multiply GAIN with
subtract OFFSET,
store it to VALUE
limits CH/CL and
STC and store it
Check clamping
set OUT value
multiply it with
Subtract OTC
Wait for next
HCAL and
as HCAL
trigger
Rev 1.1, 2008-10-30
out
Introduction
TLE4998