TMC603 DATA SHEET (V. 1.06 / 26. Mar. 2009)
37
Switched capacitor filter 2nd
order
DC-Characteristics, AC-Characteristics
VVM = 24 V, VVCC = 5.0 V
Parameter
Symbol Conditions
Min
Typ
Max
Unit
Attenuation of voltage
VBMX to VFILTX
AFILTLO
VBMX > 0.9V
VBMX/15
– 0.9V
V
Output resistance of FILTX
Output current limit at FILTX
Noise voltage on FILTX
RFILTX
IFILTX
21
20
30
40
k
Current sourcing
µA
VFILTXNOISE VBMX = 12V
fSCCLK = 1.25MHz
20
mV
3dB bandwidth
fCUTOFF
1/390
fSCCLK
Hz
fSCCLK = 1.25MHz
fSCCLK = 2.5MHz
3.0
3.2
6.4
3.4
4
kHz
kHz
MHz
Switched capacitor filter clock
frequency for normal operation
fSCCLK
0.25
hallFX unit
DC-Characteristics, AC-Characteristics
VVM = 24 V, VVCC = 5.0 V
Parameter
Symbol Conditions
Min
Typ
Max
Unit
Noise voltage of comparators
VCOMPNOISE VBMX = 12V
50
150
mV
including switched capacitor filter
Offset voltage of comparators
including switched capacitor filter
and input attenuation
VCOMPOFFS VBMX = 12V
-300
0
300
mV
Spike suppression comparator
threshold
VSP_SUP VSP_SUP rising
2.0
15
VVCC/2
25
2.8
35
V
Spike suppression capacitor
charging current
ISP_SUP
ISP_SUP
tSP_SUP
VSP_SUP = 1V
VSP_SUP = 1V
CSP_SUP = 1nF
µA
mA
µs
Spike suppression capacitor
discharging current
-0.5
60
-1
-1.5
180
Dead time for spike suppression
100
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