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參數(shù)資料
| 型號： | EM91455BP |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION |
| 中文描述： | 音頻/脈沖撥號與LCD接口及IPP檢測功能 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 199K |
| 代理商： | EM91455BP |
EM91455 SERIES
TONE/PULSE DIALER WITH LCD INTERFACE
AND I.P.P. DETECT FUNCTION
11
* This specification are subject to be changed without notice.
9.24.1998
ABSOLUTE MAXIMUM RATINGS
(Ambient temperature is 25
°
C, all voltages referenced to V
SS
)
Items
Sym.
Rating
Unit
Power supply voltage
Input voltage range
Operating temperature
Storage temperature
Power consumption
V
DD
V
IN
T
OPR
T
STO
P
D
6.0 Vdc
V
V
°
C
°
C
mW
V
SS
-0.3V ~ V
DD
+0.3V
0 ~ 50
-55 ~ 125
500
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DC ELECTRICAL CHARACTERISTICS
(Ambient temperature is 25
°
C, V
DD
=2.5V unless otherwise noted, all voltages referenced to V
SS
, Fosc=3.579545 MHz)
Parameter
Sym.
Operating voltage
Pulse
Tone
Operating current(HKS=0)
Pulse
Idd
Tone
Memory retention current
Imrt
Standby current
HKS=1
Istby
HKS=0
HKS=1
HKS=0
HKS, HFI & DRING
ViH
pins: input voltage
ViL
Xmute pin : Schmitt triggers
V
H-L
(input pin)
V
L-H
HFO & HDO pins source current
IoH
PO, HFO, XMUTE, RMUTE
IoL
& SDO pins: sink current
PO, XMUTE, RMUTE and SDO
IoH
pins: leakage current
HFI pin input resistance
Rhfi
Keyboard scanning pins
IoH
output current (except COL4/KT)
IoL
COL4/KTsource current
IoH
sink current
IoL
DTMF pin: sink current
IoL
DTMF signal DC level
Vdc
DTMF signal: ac level
Vdtmf
pre-emphase
Twist
distortion
THD
load resistance
ZL
Distortion(dB)=20 log
{[V
V
L
, V
H
=ROW group and column group signal.
V
1
, V
2
, V
3
.... V
n
= Harmonic signal (BW=300Hz~3500Hz)
Min.
2.0
2.0
-
-
-
-
-
Typ.
-
-
0.15
0.3
-
-
1
-
10
-
-
-
-
-
-
Max. Unit
5.5
5.5
0.3
0.5
0.1
0.1
10
0.1
30
V
DD
0.2V
DD
0.3V
DD
V
DD
-
-
Condition
unload
V
mA
with pull up/down
resistor * 8
HKS=1,Vdd=1V
unload
uA
uA
with pull up/down
resistor * 8
-
0.8V
DD
V
SS
V
SS
0.7V
DD
0.2
-0.2
V
V
V
mA
mA
at idle state
Vo = 2.0 V
Vo = 0.5 V
-
-
0.01
uA
Vo = Vdd
-
2
200
10
400
-
-
-
-
160
2
-30
-
2
)1/2]}
-
K
uA
μ
A
mA
Vhfi = Vss
Vksn=Vss
ksn=Vdd
Vo=2.0V
Vo=0.5V
Vdtmf = 0.5 V
Vdd = 2.0V ~ 5.5V
Row group
Column - Row
ZL = 5 K
THD
<
23dB
50
800
-
-
-
0.75
180
3
-23
-
200
0.2
0.2
-0.2
0.5
142
1
-
5
mA
Vdd
mVrms
dB
dB
K
2
+V
2
+V
2
..... +V
n
2
)1/2]/[(V
L
2
+V
H
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相關(guān)代理商/技術(shù)參數(shù) |
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| EM91455C | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION |
| EM91455CK | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION |
| EM91455D | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION |
| EM91455DK | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION |
| EM91465 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION |
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