CMX138 CML Microcircuits, CMX138 Datasheet - Page 61

• Manufacturer Part Number: CMX138
• Description: Audio Scrambler and Sub-Audio Signalling Processor
• Manufacturer: CML Microcircuits

Audio Scrambler and Sub-Audio Signalling Processor
11 Performance Specification
11.1 Electrical Performance
11.1.1 Absolute Maximum Ratings
Exceeding these maximum ratings can result in damage to the device.
E1 Package (28-pin TSSOP)
11.1.2 Operating Limits
Correct operation of the device outside these limits is not implied.
© 2008 CML Microsystems Plc
Supply: DV
Voltage on any pin to DV
Voltage on any pin to AV
Current into or out of any power supply pin (excluding V
i.e. V
Current into or out of any other pin
Voltage differential between power supplies:
Total Allowable Power Dissipation at Tamb = 25°C
Storage Temperature
Operating Temperature
Supply Voltage:
Operating Temperature
XTAL/CLK Frequency (using a Xtal)
XTAL/CLK Frequency (using an external clock)
Notes:
DV
AV
V
DEC
DEC
DD
DD
, AV
AV
DV
DV
– DV
– AV
– DV
11
12
DD
DD
SS
DD
DD
… Derating
- AV
SS
SS
- DV
and AV
SS
and AV
, AV
Nominal XTAL/CLK frequency is 6.144MHz.
The V
regulator.
SS
SS
SS
, DV
SS
DD
DEC
SS
SS
DD
supply is automatically created from DV
, DV
SS
Page 61
Notes
12
11
11
BIAS
)
Min.
2.25
−40
DD
Min.
Min.
3.0
3.0
3.0
3.0
−0.3
−0.3
−0.3
−0.3
−30
−20
−55
−40
0
0
–
–
by the on-chip voltage
DV
AV
12.288
24.576
DD
DD
Max.
Max.
1100
+125
11.1
Max.
+30
+20
+85
2.75
4.5
4.5
0.3
+85
50
3.6
3.6
+ 0.3
+ 0.3
D/138_FI1.0/5
mW/°C
CMX138
Unit
Unit
mW
MHz
mA
mA
mV
MHz
Unit
°C
°C
V
V
V
V
V
°C
V
V
V