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參數(shù)資料
| 型號(hào)： | TDA1581 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Decoder for traffic warning VWF radio transmissions |
| 中文描述： | 解碼器交通血友病無(wú)線電傳輸警告 |
| 文件頁(yè)數(shù)： | 6/14頁(yè) |
| 文件大小： | 115K |
| 代理商： | TDA1581 |
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March 1992
6
Philips Semiconductors
Preliminary specification
Decoder for traffic warning (VWF) radio
transmissions
TDA1581T
Note
1.
selectable by R
14-8
or Z
12-8
.
DK circuit
V
17DKon
V
V
17DKoff
switch-on threshold level
switch hysteresis
pin 2 high-Z
600
3.1
670
3.6
750
4.1
mV
dB
V
18-20off
DK switch threshold level for DK-off
(Schmitt trigger output)
(typ. value = 1
×
V
BE
)
DK output (pin 2)
permitted load current
saturation voltage
rejection voltage
pin 2 conducting
0.6
V
I
2
V
2-20sat
V
2-20
18
0.5
0.35
mA
V
V
I
2
= 1.5 mA
I
2
< 5
μ
A
BK and DK filter amplifiers
G
o
G
i
I
i
V
o5-8
V
17-8
I
o
R
o
C
L
open loop gain
current gain
input bias current
output offset voltage
f = 100 Hz
84
120
±
50
±
50
dB
dB
nA
mV
R
5-6
= R
16-17
= 680 k
available output current
output resistance
permitted load capacitance
±
1
2
3.5
50
mA
k
pF
Internal reference voltage
V
8-20
R
8
I
8-20
I
20-8
I
8sc
output voltage (typ. value = 0.5V
P
)
internal resistance of voltage source
available output current
4.0
2
0.6
4.25
8
4.5
5
V
mA
mA
mA
output short-circuit current
(typ. value = V
P
/ 1 k
)
Reference current source
V
19-20
reference voltage
(typ. value = V
8-20
V
BE
)
internal biasing resistor
permitted range of external
reference resistor
3.6
V
R
i19
R
19-20
180
5
270
k
k
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
---------------------
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