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CMX625P4 데이터시트(PDF) 28 Page - CML Microcircuits

부품명 CMX625P4
상세설명  ISDN TA POTS Interface
PDF  34 Pages
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제조업체  CMLMICRO [CML Microcircuits]
홈페이지  http://www.cmlmicro.com
Logo CMLMICRO - CML Microcircuits

CMX625P4 데이터시트(HTML) 28 Page - CML Microcircuits

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ISDN TA POTS Interface
CMX625
 2001 Consumer Microcircuits Limited
28
D/625/2
1.7.1.3 Operating Characteristics
For the following conditions unless otherwise specified:
VDD = 2.7V at Tamb = 25°C and VDD = 3.0V to 5.5V at Tamb = -40 to +85°C,
0dBm = 775mVrms = 0dBm0.
DC Parameters
Notes
Min.
Typ.
Max.
Unit
IDD
All Enabled, VDD = 5.0V
1
-
6.9
-
mA
All Disabled, VDD = 5.0V
1
-
140
-
µA
DTMF Rx only, VDD = 5.0V
1
-
2.4
-
mA
Tx (tones, SPM) only, VDD = 5.0V
1
-
3.5
-
mA
Tx Output Buffer only Enabled, VDD = 5.0V
1
-
1.8
-
mA
PCM Codec only, VDD = 5.0V
1
-
3.1
-
mA
All Enabled, VDD = 3.3V
1
-
5.0
-
mA
All Disabled, VDD = 3.3V
1
-
80
-
µA
DTMF Rx only, VDD = 3.3V
1
-
1.6
-
mA
Tx (tones, SPM) only, VDD = 3.3V
1
-
2.3
-
mA
Tx Output Buffer only Enabled, VDD = 3.3V
1
-
1.3
-
mA
PCM Codec only, VDD = 3.3V
1
-
2.3
-
mA
Logic ‘1’ Input Level (CMOS inputs)
3
70%
-
-
V
Logic ‘0’ Input Level (CMOS inputs)
3
-
-
30%
V
Logic Input Leakage Current (Vin = 0 to VDD)
3
-1.0
-
+1.0
µA
Logic ‘1’ Input Level (TTL inputs)
3
2.0
-
-
V
Logic ‘0’ Input Level (TTL inputs), Vdd = 3.3V-5.5V
3, 13
-
-
0.8
V
Output Logic ‘1’ Level DD, DU (IOH = 4mA)
14
0.8
-
-
VDD
Output Logic ‘0’ Level DD DU (IOL = 6mA)
14
-
-
0.4
V
Output Logic ‘0’ Level IRQN (IOL = 3mA)
14
-
-
0.4
V
IRQN O/P ‘Off State Current (VOUT = VDD)
-
-
1.0
µA
FSK Encoder and Tx UART
Notes
Min.
Typ.
Max.
Unit
Level at TONEFSK pin
4
-1.0
0
1.0
dBm
Twist (Mark level w.r.t. Space level)
-2.0
0
+2.0
dB
Tx 1200bits/sec (V23 mode)
Baud Rate (set by UART and DCL)
1194
1200
1206
Baud
Mark (Logical 1) Frequency
1297
1300
1303
Hz
Space (Logical 0) Frequency
2097
2100
2103
Hz
Tx 1200bits/sec (Bell 202 mode)
Baud Rate (set by UART and DCL)
1194
1200
1206
Baud
Mark (Logical 1) Frequency
1197
1200
1203
Hz
Space (Logical 0) Frequency
2197
2200
2203
Hz
TONEFSK Signal Level
Notes
Min.
Typ.
Max.
Unit
Level at TONEFSK pin for:
Single tone
4
-1.0
0
1.0
dBm
Dual tone (per tone)
4
-4.0
-3.0
-2.0
dBm
DTMF High Frequency Group
4
-4.0
-3.0
-2.0
dBm
DTMF Low Frequency Group
4
-6.0
-5.0
-4.0
dBm
Output Impedance
-
10.0
-
k
Ω
Tone frequency resolution
-2.5
-
2.5
Hz
Tone output distortion
5
-
0.8
-
%



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