AX.25 Modem
CMX7031/CMX7041
8
Performance Specification
Electrical Performance
8.1
8.1.1 Absolute Maximum Ratings
Exceeding these maximum ratings can result in damage to the device.
Min.
Max.
4.5
4.5
4.5
4.5
Unit
V
V
V
V
V
V
V
Supply: DV - DV
0.3
0.3
0.3
0.3
0.3
0.3
0.3
30
DD
SS
AV - AV
DD
SS
RFV - RFV
DD
SS
SS
CPV - RFV
DD
Voltage on any pin to DV
Voltage on any pin to AV
DV + 0.3
SS
DD
AV + 0.3
SS
DD
Voltage on any pin to RFV
Current into or out of any power supply pin (excluding V
CPV
RFV + 0.3
SS (excluding
DD)
DD
)
+30
mA
BIAS
(i.e. V
, AV , AV , DV , DV , CPV
RFV or
DD, DD
DEC
SS)
DD
SS
DD
SS
RFV
Current into or out of any other pin
Voltage differential between power supplies:
+20
mA
20
DV and AV or CPV
0
0
0
0
0.3
0.3
50
V
V
mV
mV
DD
DD
DD
AV and CPV
DD
DD
DV and AV or RFV
SS
SS
SS
AV and RFV
50
SS
SS
L9 Package (64-pin LQFP)
Total Allowable Power Dissipation at Tamb = 25°C
… Derating
Storage Temperature
Operating Temperature
Min.
–
–
55
40
Max.
1690
16.9
+125
+85
Unit
mW
mW/°C
°C
°C
Q1 Package (64-pin VQFN)
Total Allowable Power Dissipation at Tamb = 25°C
… Derating
Storage Temperature
Operating Temperature
Min.
–
–
55
40
Max.
3500
35.0
+125
+85
Unit
mW
mW/°C
°C
°C
L4 Package (48-pin LQFP)
Total Allowable Power Dissipation at Tamb = 25°C
... Derating
Storage Temperature
Operating Temperature
Min.
–
–
55
40
Max.
1600
16.0
+125
+85
Unit
mW
mW/°C
°C
°C
Q3 Package (48-pin VQFN)
Total Allowable Power Dissipation at Tamb = 25°C
... Derating
Storage Temperature
Operating Temperature
Min.
–
–
55
40
Max.
1750
17.5
+125
+85
Unit
mW
mW/°C
°C
°C
2013 CML Microsystems Plc
Page 37
D/7031/7041_FI-4.x/5
CMLMICRO [ CML MICROCIRCUITS ]
