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MT88L89ANR1

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MT88L89 Data Sheet
19
Zarlink Semiconductor Inc.
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25C, V
DD
= 5 V and for design aid only: not guaranteed and not subject to production testing.
* See “Notes” following AC Electrical Characteristics Tables.
8
O
U
T
P
U
T
S
Low level output voltage
(OSC2) V
OLO
0.1 V
DD
V No load
9 High level output voltage
(OSC2) V
OHO
0.9 V
DD
V No load
10 Output leakage current
(IRQ) (Tone) I
OZT
110A
11 V
Ref
output voltage V
Ref
0.47
V
DD
0.53 V
DD
V No load
12 V
Ref
output resistance R
OR
2.5 k Note 9
13
D
i
g
i
t
a
l
Low level input voltage V
IL
0.3 V
DD
V
14 High level input voltage V
IH
0.7 V
DD
V
15 Input leakage current I
IZ
10 AV
IN
=V
SS
to V
DD
16 Output high impedance I
OZD
10 AV
IN
=V
SS
to V
DD
17
Data
Bus
Source current I
OHD
1.0 3.8 mA V
OH
=0.9V
DD
18 Sink current I
OLD
1.5 4.0 mA V
OL
=0.1V
DD
19
ESt
and
St/GT
Source current I
OHE
0.5 2.8 mA V
OH
=0.9V
DD
20 Sink current I
OLE
1.5 4 mA V
OL
=0.1V
DD
21
IRQ/
CP
Sink current I
OLI
0.7 9 mA V
OL
=0.1V
DD
Electrical Characteristics
Gain Setting Amplifier - Voltages are with respect to ground (V
SS
) unless otherwise stated, V
SS
= 0 V, V
DD
= 3 V, T
O
= 25C.
Characteristics Sym. Min. Typ.
‡
Max. Units Test Conditions
1 Input leakage current I
IN
100 nA V
SS
 V
IN
V
DD
Note 9
2 Input resistance R
IN
10 M Note 9
3 Input offset voltage V
OS
25 mV Note 9
4 Power supply rejection PSRR 50 dB 1 kHz, See Note 9
5 Common mode rejection CMRR 40 dB V
SS
0.75V V
IN
V
DD
-
0.75V biased at V
REF
=
1.5V
Note 9
6 DC open loop voltage gain A
VOL
32 dB Note 9
7 Unity gain bandwidth fc 0.3 MHz Note 9
8 Output voltage swing V
O
2.2 V
pp
R
LGS
 100 k to V
SS
at
GS, 3 KHz
Note 9
9 Allowable capacitive load (GS) C
LGS
100 pF Note 9
10 Allowable resistive load (GS) R
LGS
50 k Note 9
DC Electrical Characteristics (continued)
†
- V
SS
=0 V.
Characteristics Sym. Min. Typ.
‡
Max. Units Test Conditions
MT88L89 Data Sheet
20
Zarlink Semiconductor Inc.
‡ Typical figures are at 25C and for design aid only: not guaranteed and not subject to production testing.
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25C, V
DD
= 3 V, and for design aid only: not guaranteed and not subject to production testing.
* *See “Notes” following AC Electrical Characteristics Tables.
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25C, V
DD
= 3 V, and for design aid only: not guaranteed and not subject to production testing
11 Common mode range V
CM
1.5 V
pp
V
DD
= 3 V, No Load
Note 9
MT88L89 AC Electrical Characteristics
†
- Voltages are with respect to ground (V
SS
) unless otherwise stated.
Characteristics Sym. Min. Typ.
‡
Max. Units Notes*
1
R
X
Valid input signal levels
(each tone of composite
signal)
-29 -4 dBm 1,2,3,5,6,13
27.5 489 mV
RMS
1,2,3,5,6
2
R
X
Positive twist accept 8 dB 2,3,6,9
3 Negative twist accept 8 dB 2,3,6,9
4 Freq. deviation accept 1.5% 2Hz 2,3,5
5 Freq. deviation reject 3.5% 2,3,5
6 Third tone tolerance -16 dB 2,3,4,5,9,10
7 Noise tolerance -12 dB 2,3,4,5,7,9,10
8 Dial tone tolerance 22 dB 2,3,4,5,8,9
AC Electrical Characteristics
†
- Call Progress - Voltages are with respect to ground (V
SS
), unless otherwise stated.
Characteristics Sym. Min. Typ.
‡
Max. Units Conditions
1 Accept Bandwidth f
A
320 500 Hz @ -25 dBm
Note 9
2 Lower freq. (REJECT) f
LR
290 Hz @ -25 dBm
Note 9
3 Upper freq. (REJECT) f
HR
540 Hz @ -25 dBm
Note 9
4 Call progress tone detect level (total
power)
-30 dBm
Electrical Characteristics
Gain Setting Amplifier
- Voltages are with respect to ground (V
SS
) unless otherwise stated, V
SS
= 0 V, V
DD
= 3 V, T
O
= 25C.
Characteristics Sym. Min. Typ.
‡
Max. Units Test Conditions
MT88L89 Data Sheet
21
Zarlink Semiconductor Inc.
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25C and for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics
†
- Voltages are with respect to ground (V
SS
), unless otherwise stated.
Characteristics Sym. Min. Typ.
‡
Max. Units Conditions
1
T
O
N
E
I
N
Tone present detect time t
DP
5 11 14 ms Note 11
2 Tone absent detect time t
DA
0.5 4 8.5 ms Note 11
3 Delay St to b3 t
PStb3
20 s Figure 7, Note 9
4 Delay St to RX
0
-RX
3
t
PStRX
11 s Figure 7, Note 9
5
T
O
N
E
O
U
T
Tone burst duration t
BST
50 52 ms DTMF mode
6 Tone pause duration t
PS
50 52 ms DTMF mode
7 Tone burst duration (extended) t
BSTE
100 104 ms Call Progress mode
8 Tone pause duration (extended) t
PSE
100 104 ms Call Progress mode
9 High group output level V
HOUT
-17.3 -13.3 dBm R
LT
=10k
10 Low group output level V
LOUT
-19.3 -15.3 dBm R
LT
=10k
11 Pre-emphasis dB
P
23dBR
LT
=10k
12 Output distortion (Single Tone) THD -35 dB 25 kHz Bandwidth
13 R
LT
=10kNote 9
14 Frequency deviation f
D
0.7 1.5 % f
C
=3.579545 MHz
15 Output load resistance R
LT
10 50 k Note 9
16
X
T
A
L
Crystal/clock frequency f
C
3.5759 3.5795 3.5831 MHz Note 9
17 Clock input rise and fall time t
CLRF
110 ns Ext. clock, Note 9
18 Clock input duty cycle DC
CL
40 50 60 % Ext. clock, Note 9
19 OSC2 load capacitance C
LO
30 pF
20 Oscillator start-up time t
OST
10 ms Note 9
AC Electrical Characteristics
†
- MPU Interface - Voltages are with respect to ground (V
SS
), unless otherwise stated.
Characteristics Sym. Min. Typ.
‡
Max. Units Conditions
1RD
/WR low pulse width t
CL
200 400 ns Figure 16, Note 12
t
CL
+ t
CH
1000ns
2 DS high pulse width t
CH
200 400 ns Figure 16, Note 12
t
CL
+ t
CH
1000ns
3 Rise and fall time all digital inputs t
R,
t
F
20 ns Figure 16
4R/W
setup time t
RWS
23 ns Figures 17
5R/W
hold time t
RWH
26 ns Figures 17
6 Address setup time (RS0) t
AS
0 ns Figures 17 - 19
7 Address hold time (RS0) t
AH
45 ns Figures 17 - 19
8 Data hold time (read) t
DHR
22 ns Figures 17 - 18
9DS/RD
to valid data delay (read) t
DDR
125 ns Figures 17 - 18
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MT88L89ANR1

Mfr. #:
Buy MT88L89ANR1
Manufacturer:
Microchip / Microsemi
Description:
Telecom Interface ICs Pb Free 3V DTMF TRANSCEIVER
Lifecycle:
New from this manufacturer.
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