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