mt8885an1 Zarlink Semiconductor, mt8885an1 Datasheet - Page 21

• Manufacturer Part Number: mt8885an1
• Description: Integrated Dtmf Transceiver With Power-down And Adaptive Micro Interface
• Manufacturer: Zarlink Semiconductor

AC Electrical Characteristics
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25
AC Electrical Characteristics
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
RD/WR low pulse width
DS high pulse width
Rise and fall time all digital inputs
R/W setup time
R/W hold time
Address setup time (RS0)
Address hold time (RS0)
O
N
N
O
N
O
U
T
E
T
E
T
X
T
A
L
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
Crystal/clock frequency
Clock input rise and fall time
Clock input duty cycle
OSC2 load capacitance
Oscillator start-up time
Characteristics
Characteristics
°
C and for design aid only: not guaranteed and not subject to production testing.
0
-RX
†
3
†
- MPU Interface
- Voltages are with respect to ground (V
Sym.
t
t
t
RWS
RWH
Zarlink Semiconductor Inc.
t
t
t
V
R,
V
Sym.
t
t
DC
CH
AH
t
t
t
AS
THD
CL
PStRX
dB
t
PStb3
t
C
BSTE
R
CLRF
t
HOUT
t
t
LOUT
t
t
OST
BST
PSE
f
f
DP
DA
PS
F
- Voltages are with respect to ground (V
D
C
LO
LT
CL
P
MT8885
Min.
21
200
200
3.575
23
20
40
Min.
0
100
100
-6.1
-8.1
0.5
50
50
10
40
4
9
Typ.
400
400
SS
Typ.
3.579
±0.7
), unless otherwise stated.
11
50
4
2
5
‡
‡
Max.
20
3.583
Max.
±1.5
-2.1
-4.1
104
104
110
8.5
-35
14
20
52
52
50
60
30
10
11
3
1
Units
SS
ns
ns
ns
ns
ns
ns
ns
), unless otherwise stated.
Units
dBm
dBm
MHz
ms
ms
ms
ms
ms
ms
ms
dB
dB
kΩ
µs
µs
pF
ns
%
%
Figure 15, Note 12
t
Figure 15, Note 12
t
Figure 15
Figures 16
Figures 16
Figures 16 - 18
Figures 16 - 18
CL
CL
+ t
+ t
Note 11
Note 11
Figure 7, Note 9
Figure 7, Note 9
DTMF mode
DTMF mode
Call Progress mode
Call Progress mode
R
R
R
25 kHz Bandwidth
R
f
Note 9
Note 9
Ext. clock, Note 9
Ext. clock, Note 9
Note 9
C
LT
LT
LT
LT
=3.579545 MHz
Conditions
CH
CH
=10 kΩ
=10 kΩ
=10 kΩ
=10 kΩ, Note 9
Conditions
≥ 1000 ns
≥ 1000 ns
Data Sheet