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參數(shù)資料
| 型號(hào)： | MT88L70AT |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | 3 Volt Integrated DTMF Receiver |
| 中文描述： | 3伏集成雙音多頻接收器 |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大?。?/td> | 474K |
| 代理商： | MT88L70AT |
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MT88L70
Data Sheet
10
Zarlink Semiconductor Inc.
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.
AC Electrical Characteristics
- V
DD
= 3.0 V +20%/-10%, V
SS
= 0 V, -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
=3.6 V
Max @ V
DD
=2.7 V
2
Negative twist accept
8
dB
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 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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT88L70AS | 3 Volt Integrated DTMF Receiver |
| MT88L70AN | 3 Volt Integrated DTMF Receiver |
| MT88L70AE | 3 Volt Integrated DTMF Receiver |
| MT88L70AC | 3 Volt Integrated DTMF Receiver |
| MT88L70 | 3 Volt Integrated DTMF Receiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT88L85 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:3V Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface |
| MT88L85AE | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:3V Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface |
| MT88L85AE1 | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 3V 24PDIP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX DTMF 3V 24PDIP 制造商:Microsemi Corporation 功能描述:IC TXRX DTMF 3V 24PDIP |
| MT88L85AN | 制造商:Microsemi Corporation 功能描述: |
| MT88L85AN1 | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 3V 24SSOP - Rail/Tube 制造商:Microsemi Corporation 功能描述:3V DTMF TRANSCEIVER |
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