AMIS-49200 Datasheet, PDF (11/22 Pages) AMI SEMICONDUCTOR – Fieldbus MAU Chip

AMIS-49200 Fieldbus MAU
Data Sheet
3.4 Receiver Block
Table 10: Receiver Sub-blocks
Parameter
Band Pass Filter
Input voltage
Output voltage swing
Output slew rate
Input offset voltage
Filter resistors ¹
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
Threshold voltage
Output high voltage
Output low voltage
Output high current
Output low current
Output rising time
Output leak current
Symbol
V_BP
FLTOUT
SR
V_OS
RF1
RF2
RF3
RF4
V_TH+
V_TH-
V_OH
V_OL
I_OH
I_OL
t_R
t_F
V_TH+
V_TH-
V_OH
V_OL
I_OH
I_OL
t_R
t_F
Min.
1
1
60
216
16
43
40
-60
V_DD-0.6
50
50
V_MID+0.025
V_MID
V_DD-0.6
50
50
Typ.
0.6
75
270
20
54
50
-50
0.3
0.3
V_MID+0.040
V_MID
0.3
0.3
Max.
4
4
±5
90
324
24
65
Units Conditions
V
V
V/µs
mV
kΩ
kΩ
kΩ
kΩ
SIGIN pin to GND
60
mV
-40
mV
Relative to V_MID
V
I_OH = 0 mA
0.3
V
I_OL = 0 mA
µA
V_DD-V_O ≤ 0.6V
µA V_O ≤ 0.6V
µs CL = 10pF
µs CL = 10pF
V_MID+0.058
V_MID
0.3
V
No carrier
V
Carrier active
V
I_OH = 0 mA
V
I_OL = 0 mA
µA
V_DD-V_O ≤ 0.6V
µA V_O ≤ 0.6V
µs CL = 10pF
µs CL = 10pF
Notes:
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-49200,
and four external capacitors. The active part of each filter is an amplifier connected in a follower configuration.
AMI Semiconductor – Jan. 07, M-20532-003
11
www.amis.com