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參數(shù)資料
| 型號： | EM91420D |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | Oscillator; Frequency:1MHz; Frequency Tolerance:+/- 100 ppm; Load Capacitance:50pF; Crystal Terminals:PCB Thru Hole; Supply Voltage:5V; Mounting Type:Through Hole; Number of Pins:4 |
| 中文描述： | 音頻/脈沖開關的撥號器與LCD接口及雙音的旋律發(fā)電機 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大小： | 175K |
| 代理商： | EM91420D |
EM91420 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
12
* This specification are subject to be changed without notice.
10.1.1997
Parameter
Sym.
Min.
Typ.
Max. Unit
Condition
ELECTRICAL CHARACTERISTIC
(Ambient temperature is 25
°
C, V
DD
=2.5V unless otherwise noted, all voltages referenced to Vss,Fosc=3.579545 MHz)
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53
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(dBm)
mVms Vdd =2.0V ~ 5.5V
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42
280
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47
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Keyboard debounce time
Key tone signal:
frequency
duration
Pause time
Pulse to Tone waiting time
Flash time
Tdb
-
20
-
ms
Fkt
Tkt
Tp
Tpt
Tf
-
-
-
-
-
-
-
-
-
-
-
-
-
-
600
30
3.6
3.6
600
100
80
300
20
10
40:60
33:66
800
500
-
-
160
2
-30
-
98
98
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Hz
ms
sec.
sec.
Row3B, Row4B=NR, NR
Row3B, Row4B=NR, R-Vss
Row3B,Row4B=R-Vss, NR
Row3B,Row4B=R-Vss,R-Vss
Row1 = R-Vdd
Row1 = R-Vss
Row2 = NR
Row2 = R-Vss
PSR = 10 pps
PSR = 20 pps
Vdtmf = 0.5 V
Vdd = 2.0V ~ 5.5V
ms
Pulse rate
PSR
pps
Make/Break ratio
MBR
%
Inter-digit pause time
Tidp
ms
DTMF pin: sink current
DTMF signal DC level
DTMF signal: ac level
pre-emphase
distortion
load resistance
Minimum tone duration
Minimum inter-tone pause
Melody output signal:
main tone ac level
IoL
Vdc
Vdtmf
Twist
THD
ZL
Tp
Titp
-0.2
0.5
142
1
-
5
96
96
mA
Vdd
0.75
180 mVrms Row group
3
dB
-23
dB
-
K
100
100
ms
Column - Row
RL = 5 K
THD
<
23dB
Memory dialing
(-23.3)
Vmtac
48
58
Sub-tone
(-25.3) (dBm)
Vstac
Thdrdb
37
-
mVms
ms
Vdd =2.0V ~ 5.5V
HD key release hold function
debounce time
SDO every bit time
Off-Hook delay time
Tbit
Tdly
3.8
-
3.9
300
4.1
-
ms
ms
相關PDF資料 |
PDF描述 |
|---|---|
| EM91420 | Tone/Pulse Switchable Dialer with LCD Interface and Dual-Tone Melody Generator(0.15mA（脈沖）/0.3mA（音調）工作電流的音調/脈沖可轉換的撥號器（帶LCD接口和雙音旋律發(fā)生器）) |
| EM91421 | Tone/Pulse Switchable Dialer with LCD Interface and Dual-Tone Melody Generator(0.15mA（脈沖）/0.3mA（音調）工作電流的音調/脈沖可轉換的撥號器（帶LCD接口和雙音旋律發(fā)生器）) |
| EM91440BP | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR |
| EM91440DK | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR |
| EM91440A | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EM91420DK | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR |
| EM91440 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR |
| EM91440A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR |
| EM91440A/B/C/D | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Telephone Dialer Multi-Function Dialer |
| EM91440AP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR |
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