LT1140ACS Linear Technology, LT1140ACS Datasheet - Page 9

• Manufacturer Part Number: LT1140ACS
• Manufacturer: Linear Technology

Specifications of LT1140ACS

• Interface Circuit Standard 1: RS-232
• Number Of Receivers: 3
• Number Of Transmitters: 5
• Number Of Transceivers: 1
• Data Transmission Topology: Point-to-Point
• Receiver Signal Type: Single-Ended
• Transmitter Signal Type: Single-Ended
• Single Supply Voltage (typ): Not RequiredV
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (typ): ±12/5V
• Supply Current: 15mA
• Power Supply Requirement: Triple
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 24
• Package Type: SOIC W
• Lead Free Status / Rohs Status: Not Compliant

TYPICAL APPLICATIO S
MOUSE
OPTICS
LOGIC
V
V
+
–
5V V
0.01 F
CC
12V V
0.01 F
TO LINE
+
(1)
U
(5)
DRIVER OUT
DRIVER OUT
DRIVER OUT
ON/0FF = 5V
DB9
Operation Using 5V and 12V Power Supplies
(9)
RX IN
RX IN
RX IN
RX IN
RX IN
V
C1
C1
V
CC
Typical Mouse Driving Application
+
+
–
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
10
11
12
13
14
1
2
3
4
5
6
7
8
9
0.1 F
LT1137A
0.1 F
2
DRIVER 1 OUT
DRIVER 2 OUT
DRIVER 3 OUT
5V V
ON/OFF
RX1 IN
RX2 IN
RX3 IN
RX4 IN
RX5 IN
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
CC
+
DRIVER IN
RX OUT
DRIVER IN
RX OUT
RX OUT
RX OUT
DRIVER IN
RX OUT
V
DRIVER DISABLE
GND
10
11
12
13
14
–
1
2
3
4
5
6
7
8
9
LT1130A/LT1140A Series
0.1 F
LT1137A
TO LOGIC
2
LT1130A • TA03
28
27
26
25
24
23
22
21
20
19
18
17
16
15
0.1 F
DRIVER 1 IN
RX1 OUT
DRIVER 2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DRIVER 3 IN
RX5 OUT
GND
DRIVER DISABLE
V
–
0.1 F
2
LOGIC “0”
LOGIC “0”
MOUSE DATA
LOGIC “1”
LT1130A • TA04
0.1 F
9