TLE4998C3 Infineon Technologies, TLE4998C3 Datasheet - Page 20

• Manufacturer Part Number: TLE4998C3
• Description: IC HALL SENSOR LINEAR SSO-3
• Manufacturer: Infineon Technologies
• Type: Linear - Programmabler

Specifications of TLE4998C3

• Sensing Range: -200mt Trip ~ 200mT Release
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 8mA
• Current - Output (max): 5mA
• Output Type: Digital, PWM (Current)
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 3-SSO
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Other names: SP000476468

6.4
A digital low-pass filter is placed between the Hall A/D converter and the DSP, and can
be used to reduce the noise level. The low-pass filter has a constant DC amplification of
0 dB (Gain of 1), which means that its setting has no influence on the internal Hall ADC
value.
The bandwidth can be set to any of 8 values.
Table 10
0
1
2
3
4
5
6
7
1)
Table 11
Parameter
Register size
Corner frequency
variation
Note: In range 7 (filter off), the output noise increases.
Data Sheet
Note: Parameter LP
As this is a digital filter running with an RC-based oscillator, the cutoff frequency may vary within ±20%
DSP Input Low-Pass Filter
Low Pass Filter Setting
Low-Pass Filter
Symbol Limit Values
LP
∆
f
min.
- 20
Cutoff frequency in Hz (-3dB point)
80
240
440
640
860
1100
1390
off
20
3
max.
+ 20
Unit
bit
%
Notes
Signal Processing
TLE4998C3C
Rev 1.1, 2009-09
1)