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參數(shù)資料
| 型號(hào)： | HM9270C |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | DTMF Receiver(集成了濾波器和數(shù)字譯碼器功能的雙音多頻（DTMF）接收器) |
| 中文描述： | 雙音多頻接收器（集成了濾波器和數(shù)字譯碼器功能的雙音多頻（DTMF）的接收器） |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大?。?/td> | 57K |
| 代理商： | HM9270C |
DTMF RECEIVER
HM 9270C/D
— 4 —
Test Conditions
Min.
Typ.
Max. Units
No Load
No Load
V
OUT
=0.4V
V
=4.6V
No Load
0.03
4.97
2.5
0.8
V
V
mA
mA
V
K
1.0
0.4
2.4
2.7
10
OUTPUTS:
V
OL
V
OH
I
OL
I
OH
V
REF
R
OR
Low Level Output Voltage
High Level Output Voltage
Output Low (Sink) Current
Output High (Source) Current
Output Voltage V
REF
Output Resistance
Operating Characteristics
Gain Setting Amplifier
I
IN
R
IN
V
PSRR
CMRR
A
VOL
f
C
V
O
C
L
R
L
V
CM
Input Leakage Current
Input Resistance
Input Offset Voltage
Power Supply Rejection
Common Mode Rejection
DC Open Loop Voltage Gain
Open Loop Unity Gain Bandwidth
Output Voltage Swing
Tolerable capacitive load(GS)
Tolerable resistive load(GS)
Common Mode Range
V
SS
< V
IN
< V
DD
±
100
10
±
25
60
60
65
1.5
4.5
100
50
3.0
nA
M
mV
dB
dB
dB
MHz
V
PP
pF
K
V
PP
1kHz
-3.0V <V
IN
< 3.0V
R
L
≥
100K
to V
SS
No Load
SIGNAL COITIONS:
Valid Input Signal level (each
tone signal):MIN
MAX
Twist Accept Limit: Positive
Negative
Freq. Deviation Accept Limit
Freq. Deviation Reject Limit
Third Tone Tolerance
Noise Tolerance
Dial Tone Tolerance
-40
7.75
dBm
mV
RMS
dBm
mV
RMS
1,2,3,5,6,9,11
1,2,3,5,6,9,11
+1
883
10
10
dB
dB
2,3,6,9,11
±
1.5%
±
2 Hz
Nom.
Nom.
2,3,5,9,11
2,3,5,11
2,3,4,5,9,10,11
2,3,4,5,7,9,10,11
2,3,4,5,8,9,10,11
±
3.5%
-16
-12
+18
dB
dB
Min. Typ. Max. Units Notes
AC Characteristics
All voltages referenced to V
SS
unless otherwise noted. V
DD
=5.0V, V
SS
=0V, T
A
= 25
°
C, F
CLK
=3.579545 MNz, using
test circuit of figure 2.
Notes
: 1.All voltages referenced to V
unless otherwise noted.
2.V
DD
= 5.0V, V
SS
= 0V, T
A
= 25
°
C .
Parameter Description
1,2,3,5,6,9,11
Parameter Description
Parameter
Description
Test Conditions Min.
Typ. Max. Units
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