CMX631A Просмотр технического описания (PDF) - CML Microcircuits
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CMX631A Datasheet PDF : 16 Pages
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Low Voltage SPM Detector
CMX631A
6.1.3 Operating Characteristics
All device characteristics are measured under the following conditions unless otherwise specified:
VDD = 3.0V to 5.0V @ TAMB = -40°C to 85°C
Audio Level 0dB (ref.) = 775mVRMS, Noise Bandwidth = 50kHz
Xtal/Clock Frequency = 3.579545MHz, System Setting = 12kHz or 16kHz
Supply Current
VDD = 3.0V
VDD = 5.0V
Logic Inputs/Outputs
Input Logic ‘1’
Input Logic ‘0’
Output Logic ‘1’
Output Logic ‘0’
Xtal/Clock or Clock In Frequency
External Clock Pulse Width
High
Low
Input Amplifier
D. C. Gain
Bandwidth (-3dB)
Input Impedance
Logic Impedances
Input
System
Clock In
Output
Overall Performance
12kHz Detect Bandwidth
12kHz Not-detect Frequencies
12kHz Not-detect Frequencies
16kHz Detect Bandwidth
16kHz Not-detect Frequencies
16kHz Not-detect Frequencies
Sensitivity
VDD = 3.0V±0.1V
VDD = 5.0V±0.5V
Tone Operating Characteristics
Signal-to-Noise Requirements
Signal-to-Voice Requirements
Signal-to-Voice Requirements
Tone Follower Mode
Response and De-Response Time
Packet Mode
Response and De-Response Time
(below 12kHz)
(above 12kHz)
(below 16kHz)
(above 16kHz)
(Amp Input)
(Amp Input)
(Amp Output)
Notes
1
1
1
1
1
1
2
2
3, 4, 5, 6
3, 4, 5, 7
5, 6
1, 8
1, 8
Min.
-
-
70.0
-
90.0
-
3.558918
100
100
60.0
-
-
0.7
10.0
-
11.820
-
12.480
15.760
-
16.640
-27.8
-23.5
22.0
-36.0
-25.0
40.0
Typ.
-
-
-
-
-
-
-
-
-
-
100
1.0
-
-
14.0
-
-
-
-
-
-
-
-
20.0
-40.0
-
-
Max.
0.8
2.2
-
30.0
-
10.0
3.589368
-
-
-
-
3.8
-
30.0
12.180
11.520
-
16.240
15.360
-
-31.8
-27.5
-
-
-29.0
10.0
48.0
Units
mA
mA
%VDD
%VDD
%VDD
%VDD
MHz
ns
ns
dB
Hz
MΩ
MΩ
MΩ
kΩ
kHz
kHz
kHz
kHz
kHz
kHz
dBm
dBm
dB
dB
dB
ms
ms
© 1998 Consumer Microcircuits Limited
12
D/631A/1
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