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參數(shù)資料
| 型號(hào)： | MT88L70 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | 3 Volt Integrated DTMF Receiver(3V 集成雙音多頻信號(hào)（DTMF）接收器) |
| 中文描述： | 3伏集成雙音多頻接收器（3V的集成雙音多頻信號(hào)（DTMF）的接收器） |
| 文件頁(yè)數(shù)： | 7/15頁(yè) |
| 文件大?。?/td> | 101K |
| 代理商： | MT88L70 |
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MT88L70
4-29
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
*
NOTES
1. dBm= decibels above or below a reference power of 1 mW into a 600 ohm load.
2. Digit sequence consists of all DTMF tones.
3. Tone duration= 40 ms, tone pause= 40 ms.
4. Signal condition consists of nominal DTMF frequencies.
5. Both tones in composite signal have an equal amplitude.
6. Tone pair is deviated by
1.5%
2 Hz.
7. Bandwidth limited (3 kHz ) Gaussian noise.
8. The precise dial tone frequencies are (350 Hz and 440 Hz)
±
2 %.
9. For an error rate of better than 1 in 10,000.
10. Referenced to lowest level frequency component in DTMF signal.
11. Referenced to the minimum valid accept level.
12. Guaranteed by design and characterization.
Operating Characteristics
- V
DD
=3.0V+20%/-10%, V
SS
=0V, -40
°
C
≤
T
O
≤
+85
°
C, unless otherwise stated.
Gain Setting Amplifier
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
Input leakage current
I
IN
R
IN
V
OS
PSRR
100
nA
V
SS
≤
V
IN
≤
V
DD
2
Input resistance
10
M
3
Input offset voltage
25
mV
4
Power supply rejection
50
dB
1 kHz
5
Common mode rejection
CMRR
40
dB
V
SS
+ 0.75 V
≤
V
IN
≤
V
DD
-0.75
biased at V
Ref
=1.5 V
6
DC open loop voltage gain
A
VOL
f
C
V
O
C
L
R
L
V
CM
32
dB
7
Unity gain bandwidth
0.30
MHz
8
Output voltage swing
2.2
V
pp
pF
Load
≥
100 k
to V
SS
@ GS
9
Maximum capacitive load (GS)
100
10
Resistive load (GS)
50
k
11
Common mode range
1.5
V
pp
No Load
AC Electrical Characteristics
- V
DD
=3.0V +20%/-10%, V
SS
=0V, -40
°
C
≤
T
O
≤
+85
°
C, using Test Circuit shown in Fig. 6.
Characteristics
Sym
Min
Typ
Max
Units
Notes*
1
Valid input signal levels
(each tone of composite
signal)
-34
15.4
-4.0
489
dBm
mV
RMS
1,2,3,5,6,9
Min @ V
DD
=3.6V
Max @ V
DD
=2.7V
2,3,6,9,12
2
Negative twist accept
8
dB
3
Positive twist accept
8
dB
2,3,6,9,12
4
Frequency deviation accept
±
1.5%
±
2 Hz
±
3.5%
2,3,5,9
5
Frequency deviation reject
2,3,5,9
6
Third zone tolerance
-16
dB
2,3,4,5,9,10
7
Noise tolerance
-12
dB
2,3,4,5,7,9,10
8
Dial zone tolerance
+22
dB
2,3,4,5,8,9,11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT88L70AC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:3 Volt Integrated DTMF Receiver |
| MT88L70AE | 制造商:Microsemi Corporation 功能描述: |
| MT88L70AE1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 3.58MHZ CMOS 3V 18PDIP - Rail/Tube |
| MT88L70AN | 制造商:Microsemi Corporation 功能描述: |
| MT88L70AN1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 3.58MHZ CMOS 3V 20SSOP - Rail/Tube 制造商:Microsemi Corporation 功能描述:IC 3V INTEGRATED DTMF RCVR |
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