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參數(shù)資料
| 型號： | CT1589DFP |
| 元件分類： | 收發(fā)器 |
| 英文描述： | Transceiver |
| 中文描述： | 收發(fā)器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 340K |
| 代理商： | CT1589DFP |
CT1487M/CT1589M
2
DRIVER DESCRIPTION
The Driver section accepts complementary TTL data at
the input. When coupled to the Data Bus with the specified
transformer (isolated on the Data Bus side with 55-ohm
fault isolation resistors and loaded by two 70-ohm
terminations plus additional receivers), the Data Bus signal
produced is 6.8 volts nominal peak-to-peak (at point A,
Figure 4).
ABSOLUTE MAXIMUM RATINGS
Power supply voltage (V
cc
)
Power supply voltage (V
ee
)
Power supply voltage (V
ccl
)
Logic input voltage (RECEIVER STROBE,
INHIBIT, TX DATA IN, TX DATA IN)
Receiver differential input
(RX DATA IN, RX DATA IN)
Receiver input voltage (RX DATA IN or
RX DATA IN)
Driver output current (TX DATA OUT or
TD DATA OUT)
Transmission duty cycle at T
c
= 125
°
C
Operating case temperature range (T
c
)
CT1487
0.3 to +18.0V
+0.3 to
18.0V
0.3 to +7.0V
0.3 to +5.5V
CT1589
0.3 to + 18.0V
+0.3 to
18.0V
0.3 to +7.0V
0.3 to +5.5V
±
20 V (40 V p-p)
±
20 V (40 V p-p)
±
15 V
±
15 V
+200 mA
+300 mA
100%
100%
55 to +125
°
C
55 to +125
°
C
When both TX DATA IN and TX DATA IN inputs are
both held LOW or held HIGH, the driver output becomes a
high impedance and is removed from the line. In addition,
an overriding TX INHIBIT input takes priority over the
condition of the data inputs and disables the driver. See
Figure 3 for the driver logic waveforms.
TX DATA IN and TX DATA IN inputs must be
complementary waveforms of 50% average duty cycle and
with less than 15 ns skew between them.
CT1487M
CT1589M
PARAMETER/CONDITION
SYMBOL
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
Power supply voltages
V
cc
V
ee
V
ccl
14.25
-14.25
4.5
15
-15
5
15.75
-15.75
5.5
11.4
-11.4
4.5
12
-12
5
12.6
-12.6
5.5
V
V
V
Power dissipation of most critical
(hottest) device in hybrid during
continuous transmission
(100% duty cycle)
P
c
Note 1
350
500
Note1
350
500
mW
Thermal resistance, most critical device
jc
50
50
°
C/W
Junction to case temperature rise of
most critical device at 100% duty
cycle transmission
T
jc
25
25
°
C
Total supply current “standby” mode, or
transmitting at less than 1% duty cycle
(e.g. 20
μ
s of transmission every 2ms
or longer interval)
S* D*
15 30
25 50
32 64
S* D*
22 44
35 70
45 90
S* D*
15 30
25 50
32 64
S* D*
22 44
35 70
45 90
I
cc
I
ee
I
ccl
mA
mA
mA
Note 2
Note 2
Note 2
Note 2
Total supply current transmitting
at 1MHz into a
35-ohm load at
point A in Figure 4
I
cc
25
Note 3
55 70
75 100
Note 3
70 85
95 120
mA
I
cc
100
Note 3 185 200 235 260 Note 3
224 240 290 315
mA
* S = single unit, D = dual unit (one unit transmitting)
25%
100%
DUTY CYCLE
CHARACTERISTICS
POWER AND THERMAL DATA, TOTAL HYBRID (DRIVER AND RECEIVER)
Notes:
1. Decreases linearly to zero at zero duty cycle.
2. I
ee
and I
ccl
limits do not change with mode of operation or duty cycle.
3. Decreases linearly to applicable “standby” value at zero duty cycle.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| CT1589DI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transceiver |
| CT1589DIFP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transceiver |
| CT1589M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transceiver |
| CT1589MFP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transceiver |
| CT1589MI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transceiver |
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