參數(shù)資料
型號： LT1537CG
廠商： LINEAR TECHNOLOGY CORP
元件分類： 通用總線功能
英文描述： Advanced Low Power 5V RS232 Transceiver with Small Capacitors
中文描述： LINE TRANSCEIVER, PDSO28
封裝： 0.209 INCH, PLASTIC, SSOP-28
文件頁數(shù)： 7/8頁
文件大小： 250K
代理商： LT1537CG
7
LT1537
TYPICAL APPLICATIU
Typical Mouse Driving Application
PACKAGE DESCRIPTIOU
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)
1
2
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)
0.010 – 0.029
(0.254 – 0.737)
×
45
°
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)
TYP0.014 – 0.019
(0.356 – 0.482)
NOTE 1
0.697 – 0.712
(17.70 – 18.08)
(NOTE 2)
22 21 20 19 18
23
1
2
3
4
5
6
7
8
0.394 – 0.419
(10.007 – 10.643)
9
10
25
26
11 12
17 16 15
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 V
CC
0.1
μ
F
2
×
0.1
μ
F
0.1
μ
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
×
0.1
μ
F
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”
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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