MT3170B/71B, MT3270B/71B, MT3370B/71B
Data Sheet
AC Electrical Characteristics - voltages are with respect to VDD=5V±5%, VSS=0V and temperature -40 to +85°C unless otherwise
stated.
Characteristics
Sym.
Min.
Typ.‡
Max.
Units
Test Conditions*
1
Valid input signal level
-50
0
dBm
1,2,3,5,6,12
(each tone of composite signal)
2.45
775
mVRMS
2
3
4
5
6
7
8
9
Positive twist accept
Negative twist accept
Frequency deviation accept
Frequency deviation reject
Third tone tolerance
Noise tolerance
8
8
dB
dB
1,2,3,4,11,12,15
1,2,3,4,11,12,15
1,2,3,5,12
1,2,3,5,12,15
1,2,3,4,5,12
7,9,12
±1.5%± 2Hz
±3.5%
-16
-12
+15
dB
dB
Dial tone tolerance
dB
8,10,12
Supervisory tones detect level
(Total power)
-35
3
dBm
16
10 Supervisory tones reject level
11 Energy detector attack time
12 Energy detector decay time
-50
6.5
25
dBm
ms
16
16
16
tSA
tSD
1.0
ms
13a Powerdown time
13b Powerup time
10
30
50
ms
ms
ms
IDDQ ≤ 100µA
MT3170B/3370B
MT3171B/3371B
Note 14
14 Tone present detect time (ESt
logic output)
tDP
tDA
tREC
tREC
3
13
3
20
15
40
ms
ms
ms
ms
MT3x70B
MT3x70B
MT3x71B
MT3x71B
15 Tone absent detect time (ESt
logic output)
16 Tone duration accept
(DStD logic output)
17 Tone duration reject
(DStD logic output)
20
9
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
