CMX605P3 CML Microcircuits, CMX605P3 Datasheet - Page 24

• Manufacturer Part Number: CMX605P3
• Description: Digital Line to POTS Interface
• Manufacturer: CML Microcircuits

Digital Line to POTS Interface
Notes:
DTMF Decoder
Valid input signal levels
(each tone of composite signal)
Not decode level
(either tone of composite signal)
Twist = High Tone/Low Tone
Frequency Detect Bandwidth
Input Impedance for RXIN (at 100Hz)
Dial Tone Tolerance
Noise Tolerance
Tone Response time
Tone De-response time
Tone burst detected
Tone burst ignored
Pause length detected
Pause length ignored
SPM Signal Level
Level at SPM pin
Tone frequency accuracy
Tone output distortion
Output Impedance
Uncommitted Amplifier
Open Loop Gain (I/P = 1mVrms at 100Hz)
Unity Gain Bandwidth
Input Impedance (at 100Hz)
Output Impedance (Open Loop)
Power-Up Timing
Device reset to reliable signal at
OPOUT, RING, SPM or TONEFSK
output pins
XTAL/CLOCK Input
'High' Pulse Width
'Low' Pulse Width
Input Impedance (at 100Hz)
Gain (I/P = 1mVrms at 100Hz)
2001 Consumer Microcircuits Limited
7. Referenced to DTMF tone of lower amplitude.
8. Bandwidth limited: 0 to 3.4kHz Gaussian Noise.
9. Timing for an external input to the XTAL/CLOCK pin.
10. Over the range V
DD
= 3.3V to 5.5V at Tamb = 25°C.
24
Notes
4, 6, 10
Notes
Notes
Notes
Notes
7,8
4, 6
4
4
7
2
2
2
2
2
2
9
9
5
-29.0
20.0
Min.
±1.8
40.0
40.0
Min.
10.0
Min.
Min.
-9.0
100
100
-14.0
Min.
-1.5
-1.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
Typ.
Typ.
Typ.
20.0
60.0
10.0
-14
0.5
Typ.
5.0
1.0
10.0
50
1.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
-
-40.0
Max.
Max.
Max.
Max.
10.0
±4.5
40.0
45.0
20.0
-2.0
Max.
14.0
1.0
0.5
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CMX605
D/605/6
dBm
dBm
MHz
Unit
dBm
Unit
Unit
Unit
Unit
M
M
M
ms
ms
ms
ms
ms
ms
k
ms
dB
dB
dB
dB
dB
k
dB
Hz
ns
ns
%
%