AMIS-49200 Datasheet, PDF (8/19 Pages) AMI SEMICONDUCTOR – Fieldbus MAU Chip

AMIS−49200
Receiver Block
Table 10. RECEIVER SUB-BLOCKS
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Band Pass Filter
Input Voltage
Output Voltage Swing
V_BP
FLTOUT
SIGIN Pint to GND
1
−
4
V
1
−
4
V
Output Slew Rate
SR
−
0.6
−
V/ms
Input Offset Voltage
V_OS
Filter Resistors (Note 5)
RF1
−
−
5
mV
60
75
90
kW
RF2
216
270
324
kW
RF3
16
20
24
kW
RF4
43
54
65
kW
Carrier Detector
Threshold Voltage
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Output Rising Time
Output Leak Current
Zero-cross Detector
V_TH+
V_TH−
V_OH
V_OL
I_OH
I_OL
t_R
t_F
Relative to V_MID
I_OH = 0 mA
I_OL = 0 mA
V_DD − V_O  0.6 V
V_O  0.6 V
C_L = 10 pF
C_L = 10 pF
40
50
−60
−50
V_DD − 0.6
−
−
−
50
−
50
−
−
0.3
−
0.3
60
mV
−40
−
V
0.3
V
−
mA
−
mA
−
ms
−
ms
Threshold Voltage
V_TH+
No Carrier
V_MID + 0.025 V_MID + 0.040 V_MID + 0.058
V
V_TH−
Carrier Active
V_MID
V_MID
V_MID
V
Output High Voltage
V_OH
I_OH = 0 mA
V_DD − 0.6
−
−
V
Output Low Voltage
V_OL
I_OL = 0 mA
−
−
0.3
V
Output High Current
I_OH
V_DD − V_O  0.6 V
50
−
−
mA
Output Low Current
I_OL
V_O  0.6 V
50
−
−
mA
Output Rising Time
t_R
C_L = 10 pF
−
0.3
−
ms
Output Leak Current
t_F
C_L = 10 pF
−
0.3
−
ms
5. 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−49200, and four external capacitors. The active part of each filter is an amplifier connected in a follower configuration.
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