LT1537 Datasheet, PDF (7/8 Pages) Linear Technology – Advanced Low Power 5V RS232 Transceiver with Small Capacitors

U
TYPICAL APPLICATIO S
Typical Mouse Driving Application
MOUSE
V⁺
LOGIC
OPTICS
V^–
(1)
(5) ⁽⁹⁾
DB9
+
V⁺ 1
0.1µF
5V V_CC ²
+
3
2 × 0.1µF
4
DRIVER 1 OUT 5
DCD
RX1 IN 6
DSR
DRIVER 2 OUT 7
RX
RX2 IN 8
RTS
RX3 IN 9
TX
RX4 IN 10
CTS
DRIVER 3 OUT 11
DTR
RX5 IN 12
RI
ON/OFF = 5V 13
14
LT1537
LT1537
28 V^–
27
26
2 × 0.1µF
0.1µF
25 DRIVER 1 IN
24 RX1 OUT
LOGIC “0”
23 DRIVER 2 IN
22 RX2 OUT
LOGIC “0”
21 RX3 OUT
20 RX4 OUT
MOUSE DATA
19 DRIVER 3 IN
18 RX5 OUT
LOGIC “1”
17 GND
16 DRIVER DISABLE
15
LT1137A • TA04
U
PACKAGE DESCRIPTIO ^{Dimensions in inches (millimeters) unless otherwise noted.}
0.205 – 0.212*
(5.20 – 5.38)
0° – 8°
G Package
28-Lead SSOP
0.068 – 0.078
(1.73 – 1.99)
0.397 – 0.407*
(10.07 – 10.33)
28 27 26 25 24 23 22 21 20 19 18 17 16 15
0.301 – 0.311
(7.65 – 7.90)
0.005 – 0.009
(0.13 – 0.22)
0.022 – 0.037
(0.55 – 0.95)
0.0256
(0.65)
BSC
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
0.010 – 0.015
(0.25 – 0.38)
0.002 – 0.008
(0.05 – 0.21)
28SSOP 0694
1 2 3 4 5 6 7 8 9 10 11 12 13 14
0.005
(0.127)
RAD MIN
0.291 – 0.299
(7.391 – 7.595)
(NOTE 2)
0.010 – 0.029 _{× 45°}
(0.254 – 0.737)
0.093 – 0.104
(2.362 – 2.642)
0° – 8° TYP
S Package
28-Lead Plastic SOL
0.037 – 0.045
(0.940 – 1.143)
0.697 – 0.712
(17.70 – 18.08)
(NOTE 2)
28 27 26 25 24 23 22 21 20 19 18 17 16 15
NOTE 1
0.394 – 0.419
(10.007 – 10.643)
0.009 – 0.013
(0.229 – 0.330)
NOTE 1
0.016 – 0.050
(0.406 – 1.270)
0.050
(1.270)
TYP _{0.014 – 0.019}
(0.356 – 0.482)
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.
0.004 – 0.012
(0.102 – 0.305)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
2. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
SOL28 0392
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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