CMX602AD4 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'CMX602AD4' PDF : 25 Pages View PDF
Calling Line Identifier
CMX602A
Operating Characteristics
For the following conditions unless otherwise specified:
VDD = 2.7V at Tamb = -10 to +60°C and VDD = 3.3V to 5.5V at Tamb = -40 to +85°C,
Xtal Frequency = 3.579545MHz ± 0.1%
0dBV corresponds to 1.0Vrms
Notes Min.
Typ.
Max. Units
DC Parameters
IDD (ZP input high) at VDD = 5.0V
IDD (ZP input low) at VDD = 3.0V
IDD (ZP input low) at VDD = 5.0V
Logic '1' input level (RXCK and XTAL inputs)
Logic '0' input level (RXCK and XTAL inputs)
Logic input leakage current (Vin = 0 to VDD)
excluding XTAL input
Output logic '1' level (lOH = 360µA)
Output logic '0' level (lOL = 360µA)
IRQN o/p 'off' state current (Vout = VDD)
Schmitt Trigger input thresholds, see fig 10
High going (Vthi)
1,2
1
1
70%
-1.0
VDD - 0.4
0.56VDD
0.02
0.5
1.0
1.0
µA
1.0
mA
2.0
mA
VDD
30%
VDD
+1.0
µA
V
0.4
V
1.0
µA
0.56VDD V
+ 0.6V
Low going (Vtlo)
0.44VDD
- 0.6V
0.44VDD V
Tone Alert Detector
'Low' tone nominal frequency
'High' tone nominal frequency
Start of Tone Alert signal to DET high time
(Fig. 6 Tton)
End of Tone Alert signal to DET and IRQN low
time (Fig 6 Ttoff)
DET high time to ensure IRQN goes low
(Fig 6 TqCAS)
To ensure detection:
3
'Low' tone frequency tolerance
'High' tone frequency tolerance
Level (per tone)
4
2750Hz tone level wrt
2130Hz tone level
Signal to Noise ratio
5
Dual tone burst duration for DET output
Dual tone burst duration to ensure
IRQN goes low
To ensure non-detection:
6
'Low' tone frequency tolerance
'High' tone frequency tolerance
Level (total)
4
Dual tone burst duration
2130
Hz
2750
Hz
55.0
ms
0.5
10.0
ms
8.0
45.0
ms
-40.0
-7.0
20.0
75
75
±20
Hz
±30
Hz
-2.2
dBV
+7.0
dB
dB
ms
85
ms
±75
Hz
±95
Hz
-46.0 dBV
45.0
ms
© 1998 Consumer Microcircuits Limited
20
D/602A/4
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