MT8889CS1 Zarlink, MT8889CS1 Datasheet - Page 20

• Manufacturer Part Number: MT8889CS1
• Description: DTMF TXRX 3.579MHz CMOS 5V 20-Pin SOIC Tube
• Manufacturer: Zarlink

Specifications of MT8889CS1

• Package: 20SOIC
• Operating Frequency: 3.579 MHz
• Typical Supply Current: 7 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
AC Electrical Characteristics
selectable as per Figures 5, 6 and 7.
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25
AC Electrical Characteristics
10
12
13
14
15
11
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
9
Accept Bandwidth
Lower freq. (REJECT)
Upper freq. (REJECT)
Call progress tone detect level (total
power)
Minimum tone accept duration
Maximum tone reject duration
Minimum interdigit pause duration
Maximum tone drop-out duration
O
N
E
N
O
N
E
O
U
T
T
T
I
Tone present detect time
Tone absent detect time
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
Characteristics
Characteristics
Characteristics
°
°
C, V
C, V
0
DD
DD
-RX
=5V, and for design aid only: not guaranteed and not subject to production testing
=5V, and for design aid only: not guaranteed and not subject to production testing
3
†
†
†
- Call Progress -
- DTMF Reception -
- Voltages are with respect to ground (V
V
V
Zarlink Semiconductor Inc.
t
t
Sym.
t
PStRX
THD
PStb3
t
BSTE
dB
t
HOUT
R
LOUT
t
t
t
BST
PSE
DP
DA
f
PS
D
LT
Voltages are with respect to ground (V
MT8889C
Sym.
P
Sym.
t
t
f
t
f
REC
REC
HR
t
f
DO
LR
ID
A
Typical DTMF tone accept and reject requirements. Actual values are user
20
Min.
100
100
-6.1
-8.1
0.5
50
50
10
3
0
Min.
Min.
310
-30
SS
Typ.
±0.7
-35
), unless otherwise stated.
13
11
4
8
2
Typ.
Typ.
290
540
40
20
40
20
‡
‡
‡
Max.
±1.5
-2.1
-4.1
104
104
8.5
14
52
52
50
3
Max.
Max.
500
SS
), unless otherwise stated.
Units
dBm
dBm
ms
ms
ms
ms
ms
ms
kΩ
dB
dB
Units
µs
µs
%
Units
dBm
ms
ms
ms
ms
Hz
Hz
Hz
Note 11
Note 11
See Figure 7
See Figure 7
DTMF mode
DTMF mode
Call Progress mode
Call Progress mode
R
R
R
25 kHz Bandwidth
R
f
C
L
L
L
L
=3.579545 MHz
=10kΩ
=10kΩ
=10kΩ
=10kΩ
@ -25 dBm,
Note 9
@ -25 dBm
@ -25 dBm
Conditions
Conditions
Conditions
Data Sheet