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參數(shù)資料
| 型號(hào)： | LT1032ISW#TR |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LINE DRIVER QUAD LP 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類(lèi)型： | 線路驅(qū)動(dòng)器，發(fā)射器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 4/0 |
| 規(guī)程： | RS232，RS423 |
| 電源電壓： | 5 V ~ 15 V |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC |
| 包裝： | 帶卷 (TR) |
6
LT1032
1032fe
TO LINE
1/4 LT1032
LT1032 TA03b
30V ZENERS
INPUT
V+
V–
100
TO
1000
TO LINE
1/4 LT1032
LT1032 TA03a
INPUT
The response pin can be used to make some adjustment
in slew rate. A resistor can be connected between the re-
sponse pin and the power supplies to drive 50
A to 100A
into the pin. The response pin is a low impedance point
operating at about 0.75V above ground. For supply voltage
up to
±6V, current is turned off when the device is turned
off. For higher supply voltages, a Zener should be con-
nected in series with the resistor to limit the voltage applied
to the response pin to 6V. Also, for temperatures above
100
°C, using the response pin is not recommended. The
leakage current into the response pin at high temperatures
is excessive.
Outputs are well protected against shorts or externally
applied voltage. Tested limits are
±30V, but the device can
withstand external voltages up to breakdown of the tran-
sistors (typically about 50V). The LT1032 is usually immune
to ESD up to 2500V on the outputs with no damage.
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
Application Hints
The LT1032 is exceptionally easy to use when compared
to older drivers. Operating supply voltage can be as low as
±3Vorashighas±15V.Inputlevelsarereferredtoground.
The logic inputs are internally set at TTL levels. Outputs are
valid for input voltages from 1V above V – to 25V. Driving
the logic inputs to V – turns off the output stage. The
ON/OFF control completely turns off all supply current of
the LT1032. The levels required to drive the device on or
off are set by internal emitter-based voltages. Since the
current into the ON/OFF pin is so low, TTL or CMOS drivers
have no problem controlling the device.
The strobe pin is not fully logic compatible. The impedance
of the strobe pin is about 2k
toground.Drivingthestrobe
pin positive forces the output stages low–even if the device
is shut off. Under worst case conditions, 3V minimum at
2mA are needed driving the strobe pin to insure strobing.
U
S
A
O
PPLICATI
TYPICAL
Protecting Against More Than
±30V Output Overload
LT1032
PIN 10
80k
120k
10V
120k
10V
OR
80k
50
A
50
A
15V
–15V
INCREASES
SLEW RATE
DECREASES
SLEW RATE
*ABOUT 4V/ms CHANGE
ZENERS PREVENT LEAKAGE DURING SHUTDOWN
LT1032 TA05
5V
–5V
Slew Rate Adjustment*
FET Driver
1/4 LT1032
INPUT
50k
15V
–15V
LT1032 TA04
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