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參數(shù)資料
| 型號： | MT8870DE |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | ISO2-CMOS Integrated DTMF Receiver |
| 中文描述： | ISO2 - CMOS集成雙音多頻接收器 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 215K |
| 代理商： | MT8870DE |
MT8870D/MT8870D-1
ISO
2
-CMOS
4-18
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
=5.0V±5%, 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
0.75 V
≤
V
IN
≤
4.25 V biased
at V
Ref
=2.5 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
4.0
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
2.5
V
pp
No Load
MT8870D AC Electrical Characteristics
-
V
DD
=5.0V ±5%, V
SS
=0V, -40°C
≤
T
O
≤
+85°C , using Test Circuit shown in
Figure 10.
Characteristics
Sym
Min
Typ
Max
Units
Notes*
1
Valid input signal levels (each
tone of composite signal)
-29
+1
dBm
1,2,3,5,6,9
27.5
869
mV
RMS
dB
1,2,3,5,6,9
2
Negative twist accept
8
2,3,6,9,12
3
Positive twist accept
8
dB
2,3,6,9,12
4
Frequency deviation accept
±1.5% ± 2 Hz
2,3,5,9
5
Frequency deviation reject
±3.5%
2,3,5,9
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
2,3,4,5,8,9,11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8870DC-1 | ISO2-CMOS Integrated DTMF Receiver |
| MT8870DE-1 | ISO2-CMOS Integrated DTMF Receiver |
| MT8870DN-1 | ISO2-CMOS Integrated DTMF Receiver |
| MT8870D | Integrated DTMF Receiver(完全雙音多頻信號（DTMF）接收器（集成了濾波器和數(shù)字譯碼器功能）) |
| MT8870D-1 | Integrated DTMF Receiver(完全雙音多頻信號（DTMF）接收器（集成了濾波器和數(shù)字譯碼器功能）) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8870DE1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 3.58MHZ CMOS 5V 18PDIP - Rail/Tube 制造商:Microsemi Corporation 功能描述:Pb Free DTMF RECEIVER DIP 制造商:Zarlink Semiconductor Inc 功能描述:DTMF RX 3.58MHZ CMOS 5V 18PDIP - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:Pb Free DTMF RECEIVER DIP |
| MT8870DE-1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 3.58MHZ CMOS 5V 18PDIP - Rail/Tube 制造商: 功能描述: 制造商:undefined 功能描述: |
| MT8870DE1-1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 3.58MHZ CMOS 5V 18PDIP - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:DTMF RX 3.58MHZ CMOS 5V 18PDIP - Rail/Tube |
| MT8870DN | 制造商:Microsemi Corporation 功能描述: |
| MT8870DN1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 3.58MHZ CMOS 5V 20SSOP - Rail/Tube |
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