MT8880C Mitel Networks Corporation, MT8880C Datasheet - Page 15

• Manufacturer Part Number: MT8880C
• Description: Integrated DTMFTransceiver
• Manufacturer: Mitel Networks Corporation

† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25°C, V
* See “Notes” AC Electrical Characteristics Tables
AC Electrical Characteristics
AC Electrical Characteristics
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
11
1
2
3
4
5
1
2
3
4
5
6
7
8
9
Lower freq. (ACCEPT)
Upper freq. (ACCEPT)
Lower freq. (REJECT)
Upper freq. (REJECT)
Call progress tone detect level
(total power)
O
O
M
R
X
T
X
T
N
E
U
T
P
U
N
T
E
R
F
A
C
E
I
Tone present detect time
Tone absent detect time
Tone duration accept
Tone duration reject
Interdigit pause accept
Interdigit pause reject
Delay St to b3
Delay St to RX
Tone burst duration
Tone pause duration
Tone burst duration (extended)
Tone pause duration (extended)
High group output level
Low group output level
Pre-emphasis
Output distortion (Single Tone)
Frequency deviation
Output load resistance
Address, R/W hold time
Address, R/W setup time (before
Data hold time (read)
Data setup time (write)
2 cycle period
2 high pulse width
2 low pulse width
2 rise and fall time
2 to valid data delay (read)
Characteristics
Characteristics
DD
0
-RX
= 5V, and for design aid only: not guaranteed and not subject to production testing
3
†
†
- Call Progress -
- Voltages are with respect to ground (V
Sym
f
f
f
f
HR
HA
LA
LR
2)
t
t
Min
AH,
-30
AS,
V
t
V
t
t
Sym
PStRX
t
ISO
t
t
THD
t
t
t
PStb3
t
BSTE
t
dB
t
HOUT
R
DSW
t
LOUT
t
t
REC
REC
t
CYC
t
DHR
DDR
BST
t
R,
t
PSE
DP
DA
DO
f
CH
PS
CL
ID
t
t
D
LT
RWH
RWS
P
t
F
2
-CMOS
Typ
320
510
290
540
Voltages are with respect to ground (V
-6.1
-8.1
Min
100
100
0.5
20
20
50
50
10
26
23
22
45
3
‡
Max
Typ
±0.7
250
115
110
-35
11
13
4
8
2
SS
) unless otherwise stated.
‡
MT8880C/MT8880C-1
Max
±1.5
104
104
-2.1
-4.1
100
8.5
14
40
40
52
52
50
25
3
Units
dBm
Hz
Hz
Hz
Hz
Units
dBm
dBm
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
dB
dB
k
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
@ -25 dBm
@ -25 dBm
@ -25 dBm
@ -25 dBm
SS
Note 12
Note 12
User adjustable
User adjustable
User adjustable
User adjustable
DTMF mode
DTMF mode
Call Progress mode
Call Progress mode
R
R
R
25 kHz Bandwidth
R
f
*
200 pF load
C
) unless otherwise stated.
L
L
L
L
=3.579545 MHz
=10k
=10k
=10k
=10k
Conditions
Notes*
#
#
#
#
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