Datasheet

TMC603 DATA SHEET (V. 1.05 / 11. Mar. 2009) 37
Copyright © 2008 TRINAMIC Motion Control GmbH & Co. KG
Switched capacitor filter 2
nd
order
DC-Characteristics, AC-Characteristics
V
VM
= 24 V, V
VCC
= 5.0 V
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Attenuation of voltage
V
BMX
to V
FILTX
A
FILTLO
V
BMX
> 0.9V
V
BMX
/15
 0.9V
V
Output resistance of FILTX
R
FILTX
21
30
40
k
Output current limit at FILTX
I
FILTX
Current sourcing
20
µA
Noise voltage on FILTX
V
FILTXNOISE
V
BMX
= 12V
f
SCCLK
= 1.25MHz
20
mV
3dB bandwidth
f
CUTOFF
1/390
f
SCCLK
Hz
f
SCCLK
= 1.25MHz
3.0
3.2
3.4
kHz
f
SCCLK
= 2.5MHz
6.4
kHz
Switched capacitor filter clock
frequency for normal operation
f
SCCLK
0.25
4
MHz
hallFX unit
DC-Characteristics, AC-Characteristics
V
VM
= 24 V, V
VCC
= 5.0 V
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Noise voltage of comparators
including switched capacitor filter
V
COMPNOISE
V
BMX
= 12V
50
150
mV
Offset voltage of comparators
including switched capacitor filter
and input attenuation
V
COMPOFFS
V
BMX
= 12V
-300
0
300
mV
Spike suppression comparator
threshold
V
SP_SUP
V
SP_SUP
rising
2.0
V
VCC
/2
2.8
V
Spike suppression capacitor
charging current
I
SP_SUP
V
SP_SUP
= 1V
15
25
35
µA
Spike suppression capacitor
discharging current
I
SP_SUP
V
SP_SUP
= 1V
-0.5
-1
-1.5
mA
Dead time for spike suppression
t
SP_SUP
C
SP_SUP
= 1nF
60
100
180
µs