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参数资料
| 型号： | LT1537CSW |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 通用总线功能 |
| 英文描述： | CAP ELECT 4.7UF 35V VS SMD |
| 中文描述： | LINE TRANSCEIVER, PDSO28 |
| 封装： | 0.300 INCH, PLASTIC, SO-28 |
| 文件页数： | 1/8页 |
| 文件大小： | 250K |
| 代理商： | LT1537CSW |
1
LT1537
Advanced Low Power
5V RS232 Transceiver with
Small Capacitors
D
U
ESCRIPTIO
S
FEATURE
The LT
1537 is a three-driver, five-receiver RS232 trans-
ceiver, pin compatible with the LT1137A, offering perfor-
mance improvements and two shutdown modes. The
LT1537’s charge pump is designed for extended compli-
ance and can deliver over 35mA of load current. Supply
current is typically 8mA, competitive with similar CMOS
devices. An advanced driver output stage operates up to
250kbaud while driving heavy capacitive loads.
The LT1537 is fully compliant with all RS232 specifica-
tions. Special bipolar construction techniques protect the
drivers and receivers beyond the fault conditions stipu-
lated for RS232. Driver outputs and receiver inputs can be
shorted to
±
25V without damaging the device or the
power supply generator. In addition, the RS232 I/O pins
are resilient to multiple
±
5kV ESD strikes.
The transceiver has two shutdown modes. One mode
disables the drivers and the charge pump, the other shuts
down all circuitry. While shut down, the drivers and
receivers assume high impedance output states.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Low Cost
I
Uses Small Capacitors: 0.1
μ
F, 0.2
μ
F
I
1
μ
A Supply Current in Shutdown
I
120kBaud Operation for R
L
= 3k, C
L
= 2500pF
I
250kBaud Operation for R
L
= 3k, C
L
= 1000pF
I
CMOS Comparable Low Power: 40mW
I
Operates from a Single 5V Supply
I
Easy PC Layout: Flow-through Architecture
I
Rugged Bipolar Design
I
Outputs Assume a High Impedance State When Off
or Powered Down
I
Improved Protection: RS232 I/O Lines Can Be Forced
to
±
25V Without Damage
I
Output Overvoltage Does Not Force Current Back
into Supplies
I
Absolutely No Latch-Up
I
Available in SO Package
U
S
A
O
PPLICATI
I
Notebook Computers
I
Palmtop Computers
U
A
O
PPLICATI
TYPICAL
R
LT1537 TA02
LT1537 TA01
5V V
CC
0.1
μ
F
2
×
0.1
μ
F
0.1
μ
F
TO
LINE
LT1537
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DRIVER OUT
RX IN
DRIVER OUT
RX IN
RX IN
RX IN
DRIVER OUT
RX IN
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2
×
0.1
μ
F
DRIVER IN
RX OUT
DRIVER IN
RX OUT
RX OUT
RX OUT
DRIVER IN
RX OUT
+
+
+
TO LOGIC
V
–
V
+
ON/OFF = 5V
+
INPUT
DRIVER
OUTPUT
R
= 3k
C
L
= 2500pF
RECEIVER
OUTPUT
C
L
= 50pF
Output Waveforms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1537CSW#PBF | 功能描述:IC TXRX 5V RS232 LOW-PWR 28-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 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 |
| LT1537CSW#TR | 功能描述:IC TXRX RS232 5V LP CAPS 28SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 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 |
| LT1537CSW#TRPBF | 功能描述:IC TXRX 5V RS232 LOW-PWR 28-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:1,140 系列:AU 类型:收发器 驱动器/接收器数:1/1 规程:CAN 电源电压:5.3 V ~ 27 V 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SO 包装:管件 其它名称:935267940512AU5790D14AU5790D14-ND |
| LT153B | 制造商:Datak Corporation 功能描述: |
| LT153BH | 制造商:Datak Corporation 功能描述: |
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