AMIS-492X0 Datasheet, PDF (10/22 Pages) ON Semiconductor – Fieldbus MAU

AMIS-492x0
3.4 Receiver Block
Table 10: Receiver Sub-blocks
Parameter
Band Pass Filter
Input voltage
Output voltage swing
Symbol
V_BP
FLTOUT
Min.
1
1
Typ.
Max.
4
4
Units Conditions
V
SIGIN pin to GND
V
Output slew rate
SR
0.6
V/μs
Input offset voltage
V_OS
±5
mV
RF1
60
75
90
kΩ
Filter resistors ⁽¹⁾
RF2
216
270
324
kΩ
RF3
16
20
24
kΩ
Carrier Detector
Threshold voltage
Output high voltage
RF4
43
54
V_TH+
40
50
V_TH-
-60
-50
V_OH
V_DD-0.6
65
kΩ
60
mV
-40
mV
Relative to V_MID
V
I_OH = 0mA
Output low voltage
V_OL
0.3
V
I_OL = 0mA
Output high current
I_OH
50
μA
V_DD-V_O ≤ 0.6V
Output low current
I_OL
50
μA V_O ≤ 0.6V
Output rising time
t_R
0.3
μs CL = 10pF
Output leak current
Zero-cross Detector
Threshold voltage
t_F
V_TH+
V_TH-
0.3
V_MID+0.025
V_MID
V_MID+0.040
V_MID
V_MID+0.058
V_MID
μs CL = 10pF
V
No carrier
V
Carrier active
Output high voltage
V_OH
V_DD-0.6
V
I_OH = 0mA
Output low voltage
V_OL
0.3
V
I_OL = 0mA
Output high current
I_OH
50
μA
V_DD-V_O ≤ 0.6V
Output low current
I_OL
50
μA V_O ≤ 0.6V
Output rising time
t_R
0.3
μs CL = 10pF
Output leak current
t_F
0.3
μs CL = 10pF
Note:
1.
The band pass filter is made up of a two pole high pass filter in series with a two pole low pass filter. The filter consists of four resistors internal to AMIS-492x0,
and four external capacitors. The active part of each filter is an amplifier connected in a follower configuration.
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