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參數(shù)資料
| 型號(hào)： | HT9020A |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Call Progress Tone Decoder & ABR Controller |
| 中文描述： | 呼叫進(jìn)展音解碼器 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 477K |
| 代理商： | HT9020A |
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
Z
REF
Output Impedance
—
—
—
10
20
M
V
IH
Logic Input High Voltage
5V
—
3.5
—
—
V
V
IL
Logic Input Low Voltage
5V
—
—
—
1.5
V
I
IH
Logic Input High Current
5V
V
IH
=5.0V
—
—
0.1
μ
A
I
IL
Logic Input Low Current
5V
V
IL
=0V
–0.1
—
—
I
OH
Output High Current
5V
V
OH
=4.5V
—
—
–0.5
mA
I
OL
Output Low Current
5V
V
OL
=0.5V
2.0
—
—
mA
I
LKH
Output Disable
Leakage Current
5V
V
LKH
=5.0V
—
—
0.1
μ
A
I
LK L
5V
V
LK L
=0V
–0.1
—
—
μ
A
I
SO
Pull Down Current
5V
—
—
25
35
μ
A
I
DR
Pull Up Current
5V
—
—
25
35
μ
A
G
DL
Detection Level
2.5V
f
IN
=305~640Hz
–42
—
–8
dBm
5.0V
–36
—
0
dBm
G
RL
Rejection Level
5V
All frequency
—
—
–50
dBm
f
ROL
Rejection Out-band
Low Frequency
5V
V<0 dBm, E NV=0
—
—
200
Hz
f
ROH
Rejection Out-band
High Frequency
5V
V<0 dBm, E NV=0
800
—
—
Hz
t
DD1
Detection Time
5V
In-band dial tone
2.1
3.32
3.0
sec
t
DD2
Detection Time
5V
In-band dial tone
6.5
7.0
8.0
sec
t
DB
Detection Busy Time
5V
In-band busy tone
6.8
7.5
8.2
sec
t
DR
Detection Ringer Time
5V
30 Times ringback tone
(2 sec On/4 sec Off)
150
180
210
sec
t
DN
Detection Time
5V
No signal
25
30.2
35
sec
t
DE
Detection E nable Time
5V
—
0.2
30.2
35
sec
t
TO
RE LI, O Turn on Time
5V
—
80
100
120
ms
t
O
ABRE ND Output Time
5V
—
80
100
120
ms
t
B1
Break Time
(t
B1
+2.3sec)
5V
After a busy tone is detected 60.0
62.8
65.0
sec
t
B2
5V
After no signal is detected
62.0
65.1
68.0
sec
R
ON
Transition on Resistor
5V
V
RDLI
=5.0V, V
RDLO
=0V
—
500
100
R
OFF
Gate Output off Resistor
5V
V
RDLI
=0V, V
RDLO
=5.0V
10
—
—
M
HT9020
6
21st Aug ’98
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| HT9032 | Calling Line Identification Receiver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT9020A(18DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Metering/Monitoring Circuit |
| HT9020A(18SOIC) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Metering/Monitoring Circuit |
| HT9020B | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
| HT9030 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Calling line identification receiver |
| HT9031(18DIP-A) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Caller Number ID Circuit |
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