MT8889CC_CC-1

Manufacturer Part NumberMT8889CC_CC-1
Description6V 10mA integrated DTMF transceiver with adaptive micro interface. For paging systems, repeater systems/mobile radio, credit card systems, personal computers, interconnect dialers
ManufacturerMitel Semiconductor
MT8889CC_CC-1 datasheet
 


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AC Electrical Characteristics
Characteristics
1
Accept Bandwidth
2
Lower freq. (REJECT)
3
Upper freq. (REJECT)
4
Call progress tone detect level (total
power)
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25°C, V
=5V, and for design aid only: not guaranteed and not subject to production testing
DD
AC Electrical Characteristics
values are user selectable as per Figures 5, 6 and 7.
Characteristics
1
Minimum tone accept duration
2
Maximum tone reject duration
3
Minimum interdigit pause duration
4
Maximum tone drop-out duration
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25°C, V
=5V, and for design aid only: not guaranteed and not subject to production testing
DD
AC Electrical Characteristics
Characteristics
1
T
Tone present detect time
O
2
Tone absent detect time
N
E
3
Delay St to b3
I
4
Delay St to RX
-RX
0
3
N
5
Tone burst duration
6
Tone pause duration
7
Tone burst duration (extended)
8
Tone pause duration (extended)
T
O
9
High group output level
N
E
10
Low group output level
O
11
Pre-emphasis
U
12
Output distortion (Single Tone)
T
13
14
Frequency deviation
15
Output load resistance
16
Crystal/clock frequency
X
17
Clock input rise and fall time
T
A
18
Clock input duty cycle
L
19
Capacitive load (OSC2)
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25°C and for design aid only: not guaranteed and not subject to production testing.
- Call Progress -
Voltages are with respect to ground (V
Sym
Min
Typ
f
310
A
f
290
LR
f
540
HR
-30
- DTMF Reception -
Typical DTMF tone accept and reject requirements. Actual
Sym
Min
Typ
t
40
REC
t
20
REC
t
40
ID
t
20
OD
† - Voltages are with respect to ground (V
SS
Sym
Min
Typ
t
3
11
DP
t
0.5
4
DA
t
13
PStb3
t
8
PStRX
t
50
BST
t
50
PS
t
100
BSTE
t
100
PSE
V
-6.1
HOUT
V
-8.1
LOUT
dB
0
2
P
THD
-35
f
±0.7
D
R
10
LT
f
3.5759 3.5795 3.5831
C
t
CLRF
DC
40
50
CL
C
LO
MT8889C/MT8889C-1
), unless otherwise stated.
SS
Max
Units
Conditions
500
Hz
@ -25 dBm,
Note 9
Hz
@ -25 dBm
Hz
@ -25 dBm
dBm
Max
Units
Conditions
ms
ms
ms
ms
), unless otherwise stated.
Max
Units
Conditions
14
ms
Note 11
8.5
ms
Note 11
See Figure 7
µs
µs
See Figure 7
52
ms
DTMF mode
52
ms
DTMF mode
104
ms
Call Progress mode
104
ms
Call Progress mode
-2.1
dBm
R
=10k
L
-4.1
dBm
R
=10k
L
3
dB
R
=10k
L
dB
25 kHz Bandwidth
R
=10k
L
±1.5
%
f
=3.579545 MHz
C
50
k
MHz
110
ns
Ext. clock
60
%
Ext. clock
30
pF
4-121