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参数资料
| 型号： | LT1537CSW#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC TXRX 5V RS232 LOW-PWR 28-SOIC |
| 标准包装： | 1,000 |
| 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： | 带卷 (TR) |
2
LT1537
(Note 1)
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
WU
U
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
Supply Voltage (VCC) ............................................. 5.5V
V+ ........................................................................ 13.2V
V– (Note 7) .......................................................... – 6.5V
Input Voltage
Driver ........................................................... V– to V +
Receiver ............................................... – 25V to 25V
Output Voltage
Driver ....................................... V + – 25V to V– + 25V
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
LT1537C ................................................. 0
°C to 70°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
Consult factory for Industrial and Military grade parts.
LT1537CG
LT1537CSW
ELECTRICAL C
C
HARA TERISTICS (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply Generator
V+ Output
8.6
V
V– Output
– 7.0
V
Supply Current (VCC)
(Note 3)
q
817
mA
Supply Current When OFF (VCC)
Shutdown (Note 4)
q
1.0
10
A
DRIVER DISABLE
1.5
mA
Shutdown to Turn-On
C+, C – = 0.1
F, C1, C2 = 0.2F
0.2
ms
ON/OFF Pin Thresholds
Input LOW Level (Device Shutdown)
q
1.4
0.8
V
Input HIGH Level (Device Enabled)
q
2.4
1.4
V
ON/OFF Pin Current
0V
≤ VON/OFF ≤ 5V
q
–15
80
A
Driver Disable Pin Thresholds
Input LOW Level (Drivers Enabled)
q
1.4
0.8
V
Input HIGH Level (Drivers Disabled)
q
2.4
1.4
V
Driver Disable Pin Current
0V
≤ VDRIVER DISABLE ≤ 5V
q
–10
500
A
Oscillator Frequency
130
kHz
Any Driver
Output Voltage Swing
Load = 3k to GND
Positive
q
5.0
7.5
V
Negative
q
– 6.3
– 5.0
V
Logic Input Voltage Level
Input LOW Level (VOUT = HIGH)
q
1.4
0.8
V
Input HIGH Level (VOUT = LOW)
q
2
1.4
Logic Input Current
0.8V
≤ VIN ≤ 2V
q
520
A
Output Short-Circuit Current
VOUT = 0V
±17
mA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V+
5V VCC
C1+
C1–
DRIVER OUT
RX IN
DRIVER OUT
RX IN
DRIVER OUT
RX IN
ON/OFF
NC
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V –
C2–
C2+
DRIVER IN
RX OUT
DRIVER IN
RX OUT
DRIVER IN
RX OUT
GND
NC
TOP VIEW
SW PACKAGE
28-LEAD PLASTIC SO WIDE
G PACKAGE
28-LEAD PLASTIC SSOP
DRIVER
DISABLE
TJMAX = 150°C, θJA = 96°C/ W (G)
TJMAX = 150°C, θJA = 85°C/ W (SW)
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