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參數(shù)資料
| 型號(hào)： | MT3370 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Wide Dynamic Range DTMF Receiver |
| 中文描述： | 寬動(dòng)態(tài)范圍的DTMF接收器 |
| 文件頁(yè)數(shù)： | 10/15頁(yè) |
| 文件大?。?/td> | 485K |
| 代理商： | MT3370 |
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MT3170B/71B, MT3270B/71B, MT3370B/71B
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
* Test Conditions
1. dBm refers to a reference power of 1 mW delivered into a 600 ohms load.
2. Data sequence consists of all DTMF digits.
3. Tone on = 40 ms, tone off = 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 (0-3 kHz) Gaussian noise.
8. Precise dial tone frequencies are 350 Hz and 440 Hz (
±
2%).
9. Referenced to lowest level frequency component in DTMF signal.
10. Referenced to the minimum valid accept level.
11. Both tones must be within valid input signal range.
12. External guard time for MT3x70B = 20 ms.
13. Timing parameters are measured with 70pF load at SD output.
14. Time duration between PWDN pin changes from ‘1‘ to ‘0‘ and ESt/DStD becomes active.
15. Guaranteed by design and characterization. Not subject to production testing.
16. Value measured with an applied tone of 450 Hz.
Interdigit pause accept (DStD
logic output)
t
ID
40
ms
MT3x71B
19
Interdigit pause reject (DStD
logic output)
t
DO
20
ms
MT3x71B
20
Data shift rate 40-60% duty cycle
f
ACK
1.0
3.0
MHz
13,15
21
Propagation delay
(ACK to Data Bit)
t
PAD
100
140
ns
1MHz f
ACK
,
13,15
22
Data hold time (ACK to SD)
t
DH
30
50
ns
13,15
AC 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*
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT3370/BN1 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Wide Dynamic Range DTMF Receiver |
| MT3370B | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Wide Dynamic Range DTMF Receiver |
| MT3370BN | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Wide Dynamic Range DTMF Receiver |
| MT3370BN1 | 制造商:Microsemi Corporation 功能描述:DTMF RX 4.19MHZ 5V 20SSOP - Rail/Tube |
| MT3370BS | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Wide Dynamic Range DTMF Receiver |
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