MT8880CE Zarlink, MT8880CE Datasheet - Page 20

• Manufacturer Part Number: MT8880CE
• Description: DTMF TXRX 3.58MHz CMOS 5V 20-Pin PDIP Tube
• Manufacturer: Zarlink

Specifications of MT8880CE

• Package: 20PDIP
• Operating Frequency: 3.58 MHz
• Typical Supply Current: 11 mA
• Typical Operating Supply Voltage: 5 V
• Minimum Operating Supply Voltage: 4.75 V
• Maximum Operating Supply Voltage: 5.25 V

AC Electrical Characteristics
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25
* See “Notes” following AC Electrical Characteristics Tables.
AC Electrical Characteristics
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25
* See “Notes” AC Electrical Characteristics Tables
AC Electrical Characteristics
10
11
12
1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
4
5
6
7
8
9
R
X
Lower freq. (ACCEPT)
Upper freq. (ACCEPT)
Lower freq. (REJECT)
Upper freq. (REJECT)
Call progress tone detect level
(total power)
X
X
R
T
Tone present detect time
Tone absent detect time
Tone duration accept
Tone duration reject
Minimum interdigit pause duration
Maximum tone drop-out duration
Delay St to b3
Delay St to RX
Tone burst duration
Tone pause duration
Tone burst duration (extended)
Tone pause duration (extended)
Positive twist accept
Negative twist accept
Freq. deviation accept
Freq. deviation reject
Third tone tolerance
Noise tolerance
Dial tone tolerance
Characteristics
Characteristics
°
°
C, V
C, V
Characteristics
DD
DD
0
-RX
= 5 V, and for design aid only: not guaranteed and not subject to production testing.
= 5 V, and for design aid only: not guaranteed and not subject to production testing
3
† - Voltages are with respect to ground (V
†
† - Voltages are with respect to ground (V
- Call Progress -
Sym.
Sym.
f
f
f
f
LA
HA
HR
LR
Zarlink Semiconductor Inc.
±1.5%±2Hz
Min.
MT8880C
Voltages are with respect to ground (V
-30
±3.5%
t
t
Min.
Sym.
t
PStRX
t
t
t
PStb3
BSTE
t
t
t
t
REC
REC
t
BST
t
DA
DO
PSE
DP
PS
ID
20
Typ.
320
510
290
540
Min.
100
100
0.5
20
20
50
50
3
Typ.
‡
SS
-16
-12
SS
22
) unless otherwise stated. f
) unless otherwise stated.
‡
Max.
Typ.
11
13
4
8
Max.
‡
8
8
Max.
104
104
8.5
14
40
40
52
52
Units
dBm
Hz
Hz
Hz
Hz
SS
Units
) unless otherwise stated.
dB
dB
dB
dB
dB
Units
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
µs
µs
C
=3.579545 MHz.
@ -25 dBm
@ -25 dBm
@ -25 dBm
@ -25 dBm
Note 12
Note 12
User adjustable
User adjustable
User adjustable
User adjustable
See figure 9
See figure 9
DTMF mode
DTMF mode
Call Progress mode
Call Progress mode
2,3,6,9
2,3,6,9
2,3,5,9
2,3,5
2,3,4,5,9,10
2,3,4,5,7,9,10
2,3,4,5,8,9,11
Conditions
Notes*
Notes*
Data Sheet
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