English
Language : 

MT3170B Datasheet, PDF (6/8 Pages) Mitel Networks Corporation – Wide Dynamic Range DTMF Receiver
MT3170B/71B, MT3270B/71B, MT3370B/71B
Absolute Maximum Ratings† - Voltages are with respect to VSS=0V unless otherwise stated.
Parameter
Symbol
Min
Max
1 DC Power Supply Voltage
VDD-VSS
6
2 Voltage on any pin (other than supply)
VI/O
-0.3
6.3
3 Current at any pin (other than supply)
II/O
10
4 Storage temperature
TS
-65
150
5 Package power dissipation
PD
500
† Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Units
V
V
mA
°C
mW
Recommended Operating Conditions - Voltages are with respect to VSS=0V unless otherwise stated
Parameter
Sym Min Typ‡ Max Units Test Conditions
1
Positive Power Supply
VDD 4.75
5.0
5.25
V
2
Oscillator Clock Frequency
fOSC
4.194304
MHz
3
Oscillator Frequency Tolerance ∆fOSC
±0.1 %
4
Operating Temperature
Td
-40
25
85
°C
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
DC 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
Operating supply current
IDD
2
Standby supply current
IDDQ
3
8
mA
30
100
µA PWDN=5V, ACK=0V
ESt/DStD = SD = 0V
3a
Input logic 1
3b
Input logic 1
(for OSC1 input only)
VIH
4.0
VIH
3.5
V
V MT327xB/MT337xB
4a
Input logic 0
VIL
4b
Input logic 0
VIL
(for OSC1 input only)
1.0
V
1.5
V MT327xB/MT337xB
5
Input impedance (pin 1)
RIN
50
6
Pull-down Current
IPD
25
(PWDN, ACK pins)
kΩ
µA with internal pull-down
resistor of approx.
200kΩ. PWDN/ACK = 5V
7
Output high (source) current IOH
0.4
4.0
mA VOUT=VDD-0.4V
8
Output low (sink) current
IOL
1.0
9.0
mA VOUT=VSS+0.4V
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing
4-8