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參數(shù)資料
| 型號： | MT3171B |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Wide Dynamic Range DTMF Receiver(50dB的寬動態(tài)范圍雙音多頻信號（DTMF）接收器) |
| 中文描述： | 寬動態(tài)范圍的DTMF接收器（50分貝的寬動態(tài)范圍雙音多頻信號（DTMF）的接收器） |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 68K |
| 代理商： | MT3171B |
MT3170B/71B, MT3270B/71B, MT3370B/71B
4-8
Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing
Absolute Maximum Ratings
-
Voltages are with respect to V
SS
=0V unless otherwise stated.
Parameter
Symbol
Min
Max
Units
1
DC Power Supply Voltage
V
DD
-V
SS
V
I/O
I
I/O
T
S
P
D
6
V
2
Voltage on any pin (other than supply)
-0.3
6.3
V
3
Current at any pin (other than supply)
10
mA
4
Storage temperature
-65
150
°
C
5
Package power dissipation
500
mW
Recommended Operating Conditions
-
Voltages are with respect to V
SS
=0V unless otherwise stated
Parameter
Sym
Min
Typ
Max
Units
Test Conditions
1
Positive Power Supply
V
DD
f
OSC
f
OSC
T
d
4.75
5.0
5.25
V
2
Oscillator Clock Frequency
4.194304
MHz
3
Oscillator Frequency Tolerance
±
0.1
%
4
Operating Temperature
-40
25
85
°
C
DC Electrical Characteristics
- Voltages are with respect to V
DD
=5V
±
5%,V
SS
=0V, and temperature -40 to 85
°
C, unless
otherwise stated.
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
Operating supply current
I
DD
I
DDQ
3
8
mA
2
Standby supply current
30
100
μ
A
PWDN=5V, ACK=0V
ESt/DStD = SD = 0V
3a
Input logic 1
V
IH
V
IH
4.0
V
3b
Input logic 1
(for OSC1 input only)
3.5
V
MT327xB/MT337xB
4a
Input logic 0
V
IL
V
IL
1.0
V
4b
Input logic 0
(for OSC1 input only)
1.5
V
MT327xB/MT337xB
5
Input impedance (pin 1)
R
IN
I
PD
50
k
μ
A
6
Pull-down Current
(PWDN, ACK pins)
25
with internal pull-down
resistor of approx.
200k
. PWDN/ACK = 5V
7
Output high (source) current
I
OH
I
OL
0.4
4.0
mA
V
OUT
=V
DD
-0.4V
V
OUT
=V
SS
+0.4V
8
Output low (sink) current
1.0
9.0
mA
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