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参数资料
| 型号： | LT1237CSW#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC TXRX 5V RS232 ADV LOPWR28SOIC |
| 标准包装： | 27 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/5 |
| 规程： | RS232 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC |
| 包装： | 管件 |
2
LT1237
(Note 1)
Supply Voltage (VCC) ................................................ 6V
V+ ........................................................................ 13.2V
V– ...................................................................... –13.2V
Input Voltage
Driver ........................................................... V– to V +
Receiver ............................................... – 30V to 30V
Output Voltage
Driver .................................................... – 30V to 30V
Receiver .................................... – 0.3V to VCC + 0.3V
Short Circuit Duration
V+ ................................................................... 30 sec
V– ................................................................... 30 sec
Driver Output .............................................. Indefinite
Receiver Output .......................................... Indefinite
Operating Temperature Range
LT1237C ................................................. 0
°C to 70°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
WU
U
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply Generator
V+ Output
7.9
V
V– Output
–7
V
Supply Current (VCC)TA = 25°C (Note 3)
6
12
mA
q
614
mA
Supply Current when OFF (VCC)
Shutdown (Note 4)
q
0.06
0.15
mA
Driver Disable
3.00
mA
Supply Rise Time
C1 = C2 = 0.2
F,
2
ms
Shutdown to Turn-On
C+ = 1.0
F, C– = 0.1F
ON/OFF Pin Thresholds
Input Low Level (Drivers Enabled)
0.8
1.2
V
Input High Level (Drivers Disabled)
1.6
2.4
V
ON/OFF Pin Current
0V
≤ VON/OFF ≤ 5V
q
–15
80
A
DRIVER DISABLE Pin Thresholds
Input Low Level (Drivers Enabled)
q
0.8
1.4
V
Input High Level (Drivers Disabled)
q
1.4
2.4
V
DRIVER DISABLE Pin Current
0V
≤ VDRIVER DISABLE ≤ 5V
q
–10
500
A
Oscillator Frequency
Driver Outputs Loaded RL = 3k
130
kHz
ELECTRICAL C
C
HARA TERISTICS
Consult factory for Industrial and Military grade parts.
LT1237CG
LT1237CNW
LT1237CSW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V+
5V VCC
C1+
C1–
DR1 OUT
RX1 IN
DR2 OUT
RX2 IN
RX3 IN
RX4 IN
DR3 OUT
RX5 IN
(LOW-Q)
ON/OFF
NC
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V –
C2–
C2+
DR1 IN
RX1 OUT
DR2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DR3 IN
RX5 OUT
(LOW-Q)
GND
DRIVER
DISABLE
NC
NW PACKAGE
28-LEAD (WIDE) PDIP
TOP VIEW
SW PACKAGE
28-LEAD (WIDE) PLASTIC SO
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 96°C/ W (G)
TJMAX = 150°C, θJA = 56°C/ W (NW)
TJMAX = 150°C, θJA = 85°C/ W (SW)
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
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