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参数资料
| 型号： | LT1537CSW#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 7/8页 |
| 文件大小： | 0K |
| 描述： | IC TXRX 5V RS232 LOW-PWR 28-SOIC |
| 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 |
7
LT1537
TYPICAL APPLICATIO S
U
Typical Mouse Driving Application
PACKAGE DESCRIPTIO
U
Dimensions in inches (millimeters) unless otherwise noted.
28SSOP 0694
0.005 – 0.009
(0.13 – 0.22)
0
° – 8°
0.022 – 0.037
(0.55 – 0.95)
0.205 – 0.212*
(5.20 – 5.38)
0.301 – 0.311
(7.65 – 7.90)
12 3
4
5
6 7 8
9 10 11 12
14
13
0.397 – 0.407*
(10.07 – 10.33)
25
26
22 21 20 19 18 17 16 15
23
24
27
28
0.068 – 0.078
(1.73 – 1.99)
0.002 – 0.008
(0.05 – 0.21)
0.0256
(0.65)
BSC
0.010 – 0.015
(0.25 – 0.38)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
G Package
28-Lead SSOP
SOL28 0392
0
° – 8° TYP
NOTE 1
0.009 – 0.013
(0.229 – 0.330)
0.016 – 0.050
(0.406 – 1.270)
0.291 – 0.299
(7.391 – 7.595)
(NOTE 2)
× 45°
0.010 – 0.029
(0.254 – 0.737)
0.005
(0.127)
RAD MIN
0.037 – 0.045
(0.940 – 1.143)
0.004 – 0.012
(0.102 – 0.305)
0.093 – 0.104
(2.362 – 2.642)
0.050
(1.270)
TYP 0.014 – 0.019
(0.356 – 0.482)
NOTE 1
0.697 – 0.712
(17.70 – 18.08)
(NOTE 2)
1
23
4
5
6
78
0.394 – 0.419
(10.007 – 10.643)
910
25
26
11 12
22 21 20 19 18 17 16 15
23
24
14
13
27
28
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS.
2. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
S Package
28-Lead Plastic SOL
LT1137A TA04
5V VCC
0.1
F
2
× 0.1F
0.1
F
DB9
LT1537
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DRIVER 1 OUT
RX1 IN
DRIVER 2 OUT
RX2 IN
RX3 IN
RX4 IN
DRIVER 3 OUT
RX5 IN
ON/OFF = 5V
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2
× 0.1F
DRIVER 1 IN
RX1 OUT
DRIVER 2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DRIVER 3 IN
RX5 OUT
GND
DRIVER DISABLE
+
MOUSE
V–
V+
LOGIC “0”
MOUSE DATA
LOGIC “1”
+
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
(1)
(9)
(5)
LOGIC
OPTICS
V+
V –
+
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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