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參數資料
| 型號： | LT1039N |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Triple 3-Input Positive-AND Gates 14-SOIC 0 to 70 |
| 中文描述： | 三重環(huán)評- 232線收發(fā)器 |
| 文件頁數： | 3/7頁 |
| 文件大?。?/td> | 76K |
| 代理商： | LT1039N |
LT1039
TRIPLE EIA-232 LINE TRANSCEIVER
SLLS105B – D3627, FEBRUARY 1991 – REVISED JANUARY 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2–3
Terminal Functions
PIN
DESCRIPTION
NAME
BIAS
NO.
2
Keeps receiver 1 alive while the LT1039 is in the shutdown mode. Leave BIAS open when not in use.
D1IN, D2IN, D3IN
15, 13,
11
Line driver inputs. Operate properly on TTL or CMOS levels. Output valid from VI = (VDD–) + (2 to 15 V).
Connect to 5 V when not used.
D1OUT, D2OUT,
D3OUT
4, 6, 8
Line driver outputs
GND
10
Ground
ON/OFF
17
Shuts down entire circuit. Cannot be left open. If VIL is at or near 0.8 V, significant settling time may be required.
Receiver inputs. Input impedance is normally 30 k
. Accepts EIA-232 voltage levels and has 0.4 V of
hysteresis to provide noise immunity.
R1IN, R2IN, R3IN
3, 5, 7
R1OUT, R2OUT,
R3OUT
16, 14,
12
Receiver outputs with TTL/CMOS voltage levels
VDD+
VDD–
VCC
1
Positive supply voltage for driver
9
Negative supply voltage for driver
18
5-V supply voltage for receivers
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
DD+
(see Note 1)
Supply voltage range, V
DD–
Supply voltage, V
CC
Input voltage range, driver input
receiver input
Input voltage range, ON/OFF
Output voltage range, driver output
Duration of output short circuit at (or below) T
A
= 25
°
C (to
±
30 V, see Note 2)
Continuous total dissipation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
Storage temperature range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
0 V to 15 V
0 V to –15 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 V
V
DD–
to 25 V
±
30 V
0 V to 12 V
V
DD+
–30 V to V
DD–
+ 30 V
. . . . . . . . . . . . . . . . .
See Dissipation Rating Table
unlimited
0
°
C to 70
°
C
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
260
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTES: 1. All voltage values, except differential voltages, are with respect to the GND terminal.
2. The output may be shorted to either supply. Temperature and/or supply voltages must be limited to ensure that the maximum
dissipation rating is not exceeded.
DISSIPATION RATING TABLE
PACKAGE
TA
≤
25
°
C
POWER RATING
DERATING FACTOR
ABOVE TA = 25
°
C
8.2 mW/
°
C
9.2 mW/
°
C
TA = 70
°
C
POWER RATING
DW
1025 mW
656 mW
N
1150 mW
736 mW
相關PDF資料 |
PDF描述 |
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| LT1039DW | TRIPLE EIA-232 LINE TRANSCEIVER |
| LT1039MJ | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| LT1039IN | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| LT1039ISW | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| LT1039CSW | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
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