M-8880-01T Clare, M-8880-01T Datasheet - Page 8

• Manufacturer Part Number: M-8880-01T
• Description: IC TRANSCEIVER DTMF CMOS 20-SOIC
• Manufacturer: Clare

Specifications of M-8880-01T

• Function: DTMF Transceiver
• Number Of Circuits: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 10mA
• Power (watts): 78.75mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: Automatic Tone Burst Mode, Call Progress Mode
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -

40-406-00012, Rev. G
Receive signal conditions
Valid input signal levels
Positive twist accept (Notes 2, 3, 6, 9)
Negative twist accept (Notes 2, 3, 6, 9)
Frequency deviation accept (Notes 2, 3, 5, 9)
Frequency deviation reject (Notes 2, 3, 5)
Third tone tolerance (Notes 2, 3, 4, 5, 9, 10)
Noise tolerance (Notes 2, 3, 4, 5, 7, 9, 10)
Dial tone tolerance (Notes 2, 3, 4, 5, 8, 9, 11)
Call progress
Lower frequency (@ -25 dBm) accept
Upper frequency (@ -25 dBm) accept
Lower frequency (@ -25 dBm) reject
Upper frequency (@ -25 dBm) reject
Receive timing
Tone present detect time
Tone absent detect time
Tone duration accept (ref. Figure 12)
Tone duration reject (ref. Figure 12)
Interdigit pause accept (ref. Figure 12)
Interdigit pause reject (ref. Figure 12)
Delay St to b3
Delay St to RX
Transmit timing
Tone burst duration (DTMF mode)
Tone pause duration (DTMF mode)
Tone burst duration (extended, call progress mode)
Tone pause duration (extended, call progress mode)
Tone output
High group output level (R
Low group output level (R
Pre-emphasis (R
Output distortion (R
Frequency deviation (f = 3.5795 MHz)
Output load resistance
Microprocessor interface
Address, R/W hold time
Address, R/W setup time (prior to 2)
2 high pulse width
2 low pulse width
2 rise and fall time
2 cycle period
(each tone of composite signal; Notes 1, 2, 3, 5, 6, 9)
O
—RX
L
= 10 kW)
L
= 10 k , 3.4 kHz bandwidth)
3
PARAMETER
L
L
= 10 kW)
= 10 k )
Table 12 AC Characteristics
SYMBOL
t
t
AH
AS
V
t
V
t
t
PStRX
t
t
t
PStb3
THD
t
t
BSTE
t
HOUT
dB
R
R
t
LOUT
f
f
f
t
t
REC
REC
t
PSE
CYC
t
t
, t
, t
f
BST
t
HA
HR
DP
DA
DO
f
CH
LA
LR
PS
CL
ID
, t
D
LT
Page 8
M-8880
RWH
RWS
P
F
± 1.5% ± 2 Hz
± 3.5%
27.5
MIN
100
100
-6.1
-8.1
200
180
-29
0.5
0.5
—
—
—
—
—
—
—
—
—
—
20
—
20
—
—
50
50
—
—
10
—
10
23
5
0
TYP*
± 0.7
+22
320
510
290
540
-16
-12
-25
11
13
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4
8
2
± 1.5
MAX
869
104
104
-2.1
-4.1
8.5
+1
14
40
40
52
52
50
25
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
6
6
3
www.clare.com
mV
UNITS
Nom.
Nom.
dBm
dBm
dBm
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
k
dB
dB
dB
dB
dB
Hz
Hz
Hz
Hz
dB
dB
ns
ns
ns
ns
ns
%
RMS
s
s
s