电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

LTC2801CDE#TR

产品描述LTC2801 - 1.8V to 5.5V RS-232 Single and Dual Transceivers; Package: DFN; Pins: 12; Temperature Range: 0°C to 70°C
产品类别模拟混合信号IC    驱动程序和接口   
文件大小353KB,共16页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
下载文档 详细参数 选型对比 全文预览

LTC2801CDE#TR概述

LTC2801 - 1.8V to 5.5V RS-232 Single and Dual Transceivers; Package: DFN; Pins: 12; Temperature Range: 0°C to 70°C

LTC2801CDE#TR规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证不符合
零件包装代码DFN
包装说明SON, SOLCC12,.12,20
针数12
制造商包装代码DE/UE
Reach Compliance Codenot_compliant
ECCN代码EAR99
差分输出NO
驱动器位数1
JESD-30 代码R-PDSO-N12
JESD-609代码e0
湿度敏感等级1
端子数量12
最高工作温度70 °C
最低工作温度
最小输出摆幅10 V
封装主体材料PLASTIC/EPOXY
封装代码SON
封装等效代码SOLCC12,.12,20
封装形状RECTANGULAR
封装形式SMALL OUTLINE
峰值回流温度(摄氏度)235
电源2/5 V
认证状态Not Qualified
最大接收延迟
表面贴装YES
技术CMOS
温度等级COMMERCIAL
端子面层Tin/Lead (Sn/Pb)
端子形式NO LEAD
端子节距0.5 mm
端子位置DUAL
处于峰值回流温度下的最长时间NOT SPECIFIED

LTC2801CDE#TR文档预览

LTC2801/LTC2802/
LTC2803/LTC2804
1.8V to 5.5V RS-232
Single and Dual Transceivers
FEATURES
n
n
n
DESCRIPTION
The LTC
®
2801/LTC2802/LTC2803/LTC2804 are single and
dual RS-232 transceivers in narrow SSOP and chip-scale
DFN packages. All operate over a supply range of 1.8V to
5.5V, which permits operation directly from two alkaline,
NiCd or NiMH cells. An integrated DC-to-DC converter
generates power supplies for driving RS-232 levels. A
logic supply pin allows easy interfacing with different logic
levels independent of the DC-DC supply.
These parts are compatible with the TIA/EIA-232-F stan-
dard. Driver outputs are protected from overload and can
be shorted to ground or up to ±15V without damage. To
extend battery life, receivers can be kept active, operating
at reduced speed, with only 15μA current. In shutdown
mode, current is further reduced to 1μA. Line sharing and
half-duplex operation are also supported.
n
n
n
n
n
n
1.8V to 5.5V Supply Voltage
Single and Dual Transceivers
High-Speed Operation
1Mbps for 250pF/3kΩ Load (LTC2802, LTC2804)
250kbps for 1nF/3kΩ Load
100kbps for 2.5nF/3kΩ TIA/EIA-232-F Load
Low-Power 1μA Shutdown and 15μA Receivers-
Active Modes
No Damage or Latchup to ±10kV ESD on RS-232
Interface
Logic Supply Pin for Easy Level-Shifting to UART or
Microprocessor
Low-Latency Output Enable Allows Line Sharing and
Half-Duplex Operation
True RS-232 Compliant Output Levels
Small Footprint:
LTC2801/LTC2802 4mm
×
3mm DFN Package
LTC2803/LTC2804 Narrow SSOP-16 and
5mm
×
3mm DFN Packages
PRODUCT SELECTION GUIDE
PART NUMBER
LTC2801
LTC2802
LTC2803
LTC2803-1
LTC2804
LTC2804-1
DRIVERS
1
1
2
2
2
2
RECEIVERS
1
1
2
2
2
2
PACKAGE
12-Lead DFN
12-Lead DFN
16-Lead DFN
16-Lead Narrow SSOP
16-Lead DFN
16-Lead Narrow SSOP
APPLICATIONS
n
n
n
Battery-Powered Systems
Computers and Consumer Electronics
Diagnostic Ports
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
1.8V TO 5.5V
L1
10μH
LTC2802 at 1.8V and 1Mbps
C4
1μF
V
CC
V
L
PS
LTC2802
SW
C1
220nF
CAP
2V/DIV
TIN
OFF ON
MODE
TIN
TOUT
5V/DIV
TOUT
ROUT
RIN
2V/DIV
ROUT
GND
V
DD
C2
1μF
V
EE
C3
1μF
2801 TA01a
V
CC
= V
L
= 1.8V 400ns/DIV
WRAPPING DATA
TOUT LOAD = 250pF + RIN
ROUT LOAD = 150pF
2801 TA01b
2801234fd
1
LTC2801/LTC2802/
LTC2803/LTC2804
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supplies
V
CC
...........................................................–0.3V to 7V
V
L
......................................................... –0.3V to 6.7V
Generated Supplies
V
DD
.................................................V
CC
–0.3V to 7.5V
V
EE
........................................................ 0.3V to –7.5V
V
DD
– V
EE
..............................................................14V
SW .................................................. –0.3V to V
DD
+ 0.3V
CAP .................................................. +0.3V to V
EE
– 0.3V
TIN, T1IN, T2IN, MODE ................................–0.3V to 7V
PS, ON/OFF .....................................–0.3V to (V
L
+ 0.3V)
RIN, R1IN, R2IN ..........................................–25V to 25V
TOUT, T1OUT, T2OUT.................................. –15V to 15V
ROUT, R1OUT, R2OUT ....................–0.3V to (V
L
+ 0.3V)
Operating Temperature
LTC280XC ................................................0°C to 70°C
LTC280XI .............................................–40°C to 85°C
Storage Temperature Range ..................–65°C to 125°C
Lead Temperature (Soldering, 10 sec)
GN Package ...................................................... 300°C
PIN CONFIGURATION
1-Driver/1-Receiver
TOP VIEW
RIN
TOUT
V
CC
V
DD
SW
GND
1
2
3
4
5
6
V
EE
13
12 ROUT
11 TIN
10 V
L
9
8
7
MODE
PS
CAP
2-Driver/2-Receiver
TOP VIEW
R1IN
R2IN
T1OUT
T2OUT
V
CC
V
DD
SW
GND
1
2
3
4
5
6
7
8
V
EE
17
16 R1OUT
15 R2OUT
14 T1IN
13 T2IN
12 V
L
11 MODE
10 PS
9
CAP
2-Driver/2-Receiver
TOP VIEW
R1IN
R2IN
T1OUT
T2OUT
V
CC
V
DD
SW
GND
1
2
3
4
5
6
7
8
16 R1OUT
15 R2OUT
14 T1IN
13 T2IN
12 V
L
11 ON/OFF
10 CAP
9
V
EE
DE PACKAGE
12-LEAD (4mm 3mm) PLASTIC DFN
T
JMAX
= 125°C,
θ
JA
= 43°C/W,
θ
JC
= 4.3°C/W (4 Layer)
EXPOSED PAD (PIN 13) IS V
EE
, MUST BE SOLDERED TO PCB
DHC PACKAGE
16-LEAD (5mm 3mm) PLASTIC DFN
T
JMAX
= 125°C,
θ
JA
= 44°C/W,
θ
JC
= 4.3°C/W (4 Layer)
EXPOSED PAD (PIN 17) IS V
EE
, MUST BE SOLDERED TO PCB
GN PACKAGE
16-LEAD (NARROW 0.150) PLASTIC SSOP
T
JMAX
= 125°C,
θ
JA
= 110°C/W,
θ
JC
= 40°C/W (4 Layer)
ORDER INFORMATION
LEAD FREE FINISH
LTC2801CDE#PBF
LTC2801IDE#PBF
LTC2802CDE#PBF
LTC2802IDE#PBF
LTC2803CDHC#PBF
LTC2803IDHC#PBF
LTC2804CDHC#PBF
LTC2804IDHC#PBF
TAPE AND REEL
LTC2801CDE#TRPBF
LTC2801IDE#TRPBF
LTC2802CDE#TRPBF
LTC2802IDE#TRPBF
LTC2803CDHC#TRPBF
LTC2803IDHC#TRPBF
LTC2804CDHC#TRPBF
LTC2804IDHC#TRPBF
PART MARKING*
2801
2801
2802
2802
2803
2803
2804
2804
PACKAGE DESCRIPTION
12-Lead (4mm
×
3mm) Plastic DFN
12-Lead (4mm
×
3mm) Plastic DFN
12-Lead (4mm
×
3mm) Plastic DFN
12-Lead (4mm
×
3mm) Plastic DFN
16-Lead (5mm
×
3mm) Plastic DFN
16-Lead (5mm
×
3mm) Plastic DFN
16-Lead (5mm
×
3mm) Plastic DFN
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
16-Lead (5mm
×
3mm) Plastic DFN
LTC2803CGN-1#PBF
LTC2803CGN-1#TRPBF
28031
16-Lead (Narrow 0.150) Plastic SSOP
0°C to 70°C
LTC2803IGN-1#PBF
LTC2803IGN-1#TRPBF
2803I1
16-Lead (Narrow 0.150) Plastic SSOP
–40°C to 85°C
LTC2804CGN-1#PBF
LTC2804CGN-1#TRPBF
28041
16-Lead (Narrow 0.150) Plastic SSOP
0°C to 70°C
LTC2804IGN-1#PBF
LTC2804IGN-1#TRPBF
2804I1
16-Lead (Narrow 0.150) Plastic SSOP
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
2801234fd
2
LTC2801/LTC2802/
LTC2803/LTC2804
ELECTRICAL CHARACTERISTICS
SYMBOL
Power Supplies
I
CC
V
CC
Supply Current
Outputs Unloaded
Normal Mode (Note 3)
Receivers Active Mode
Shutdown Mode
Outputs Unloaded
Normal Mode (LTC2801, LTC2802)
Normal Mode (LTC2803, LTC2804)
Receivers Active Mode
Shutdown Mode
R
L
= 3kΩ
R
L
= 3kΩ
V
L
= V
CC
= 5.5V; V
TOUT
= 0V
V
L
= V
CC
= V
DD
= V
EE
= 0V; V
TOUT
=
±2V
Low
High
2.3
1
1
0.08
0.15
15
1
–5
5
–5.7
6.2
0.6
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C, V
CC
= 1.8V to 5.5V, V
L
= 1.8V to 5.5V, Normal Mode. Typical values are
given for V
CC
= V
L
= 3.3V and T
A
= 25°C, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
l
l
l
l
l
l
l
l
10
10
0.15
0.30
30
10
mA
μA
μA
mA
mA
μA
μA
V
V
V
I
L
V
L
Supply Current
Driver
V
OLD
V
OHD
V
HYSD
I
OSD
I
POLD
I
OLD
Receiver
V
IR
V
ILR
V
IHR
V
HYSR
V
OLR
V
OHR
R
IN
I
OSR
Logic
Logic Input Voltage Threshold
I
IN
V
DD
Logic Input Current
Regulated V
DD
Output Voltage
Driver R
L
= 3kΩ (Note 3)
LTC2801, LTC2802: V
TIN
= V
L
LTC2803, LTC2804: V
T1IN
= V
L
, V
T2IN
= 0V
Driver R
L
= 3kΩ (Note 3)
LTC2801, LTC2802: V
TIN
= V
L
LTC2803, LTC2804: V
T1IN
= V
L
, V
T2IN
= 0V
Power Supply Generator
7
V
l
l
Output Voltage
Output Voltage
Logic Input Hysteresis
Output Short Circuit Current
Power-Off Output Leakage Current
Output Leakage Current
±35
±0.1
±0.1
±70
±10
±10
mA
µA
µA
l
Shutdown or Receivers Active or
Drivers Disabled
Modes,
–15V
V
TOUT
15V
Input Thresholds
Input Thresholds
Input Thresholds
Input Hysteresis
Output Voltage
Output Voltage
Input Resistance
Output Short Circuit Current
Receivers Active Mode
Normal Mode, Input Low
Normal Mode, Input High
Normal Mode
Output Low, I
ROUT
= 1mA (Sinking)
Output High, I
ROUT
= –1mA (Sourcing)
–15V
V
RIN
15V
V
L
= 5.5V; 0V
V
ROUT
V
L
l
l
l
l
l
l
l
l
0.8
0.8
0.1
V
L
–0.4
3
1.5
1.3
1.7
0.4
0.2
V
L
–0.2
5
±25
2.4
2.5
1.0
0.4
7
±50
0.67 • V
L
±1
V
V
V
V
V
V
mA
V
μA
0.4
V
EE
Regulated V
EE
Output Voltage
– 6.3
V
2801234fd
3
LTC2801/LTC2802/
LTC2803/LTC2804
SWITCHING CHARACTERISTICS
SYMBOL
PARAMETER
Maximum Data Rate
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C, V
CC
= 1.8V to 5.5V, V
L
= 1.8V to 5.5V, Normal Mode. Typical values are
given for V
CC
= V
L
= 3.3V and T
A
= 25°C, unless otherwise noted.
CONDITIONS
LTC2801, LTC2803 (Note 3)
R
L
= 3kΩ, C
L
= 2.5nF
R
L
= 3kΩ, C
L
= 1nF
LTC2802, LTC2804 (Note 3)
R
L
= 3kΩ, C
L
= 2.5nF
R
L
= 3kΩ, C
L
= 1nF
R
L
= 3kΩ, C
L
= 250pF
Driver
SR(D)
Driver Slew Rate
LTC2801, LTC2803 (Figure 1)
V
CC
= V
L
= 1.8V, R
L
= 3kΩ, C
L
= 2.5nF
V
CC
= V
L
= 5.5V, R
L
= 3kΩ, C
L
= 50pF
LTC2802, LTC2804 (Figure 1)
V
CC
= V
L
= 1.8V, R
L
= 3kΩ, C
L
= 2.5nF
V
CC
= V
L
= 5.5V, R
L
= 3kΩ, C
L
= 50pF
t
PHLD
, t
PLHD
Driver Propagation Delay
R
L
= 3kΩ, C
L
= 50pF (Figure 2)
LTC2801, LTC2803
LTC2802, LTC2804
R
L
= 3kΩ, C
L
= 50pF (Figure 2)
LTC2801, LTC2803
LTC2802, LTC2804
PS = V
L
, MODE =
↑,
R
L
= 3kΩ, C
L
= 50pF
(Figure 4)
PS = V
L
, MODE =
↓,
R
L
= 3kΩ, C
L
= 50pF
(Figure 4)
C
L
= 150pF (Figure 3)
C
L
= 150pF (Figure 3)
C
L
= 150pF (Figure 3)
PS = MODE =
or ON/OFF =
↑,
R
L
= 1kΩ, C
L
= 150pF (Figure 5)
PS = MODE =
or ON/OFF =
↓,
R
L
= 1kΩ, C
L
= 150pF (Figure 5)
(Notes 3 and 4)
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
MIN
100
250
100
250
1000
TYP
MAX
UNITS
kbps
kbps
kbps
kbps
kbps
4
30
4
150
1
0.2
100
50
0.6
0.3
2
2
2
0.5
V/μs
V/μs
V/μs
V/μs
μs
μs
ns
ns
μs
μs
t
SKEWD
Driver Skew
t
PZHD
, t
PZLD
t
PHZD
, t
PLZD
Receiver
t
PHLR
, t
PLHR
t
SKEWR
t
RR
, t
FR
t
PZHR
, t
PZLR
t
PHZR
, t
PLZR
Driver Output Enable Time
Driver Output Disable Time
Receiver Propagation Delay
Receiver Skew
Receiver Rise or Fall Time
Shutdown to Receiver Output Enable
Receiver Output Disable upon Shutdown
l
0.2
50
60
5
0.15
0.4
200
15
0.3
μs
ns
ns
μs
μs
Power Supply Generator
V
DD
/V
EE
Supply Rise Time
l
0.2
2
ms
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
All currents into pins are positive; all voltages are referenced to
GND unless otherwise specified.
Note 3:
Guaranteed by other measured parameters and not tested directly.
Note 4:
Time from PS
or ON/OFF
until V
DD
5V and V
EE
–5V.
2801234fd
4
LTC2801/LTC2802/
LTC2803/LTC2804
TEST CIRCUITS
TOUT
TIN
t
THL
TOUT
SR(D) =
TIN t
r
, t
f
≤ 40ns
6V
t
THL
or t
TLH
3V
–3V
3V
–3V
t
TLH
V
OHD
V
OLD
2801 F01
V
L
0V
TIN
R
L
C
L
Figure 1. Driver Slew Rate Measurement
TOUT
TIN
TIN
R
L
C
L
TOUT
1/2 V
L
t
PHLD
0V
t
SKEWD
= |t
PHLD
– t
PLHD
|
TIN t
r
, t
f
≤ 40ns
1/2 V
L
V
L
0V
t
PLHD
V
OHD
0V
V
OLD
2801 F02
Figure 2. Driver Timing Measurement
ROUT
RIN
3V
1.5V
t
PHLR
1.5V
–3V
t
PLHR
V
OHR
1/2 V
L
t
SKEWR
= |t
PHLR
– t
PLHR
|
1/2 V
L
V
OLR
2801 F03
RIN
C
L
ROUT
RIN t
r
, t
f
≤ 40ns
Figure 3. Receiver Timing Measurement
MODE
V
L
1/2 V
L
t
PZHD
1/2 V
L
0V
t
PHZD
5V
t
PZLD
t
PLZD
0V
–5V
V
OLD
+ 0.5V
V
OLD
V
OHD
– 0.5V
V
OHD
0V
0 OR V
L
R
L
C
L
TOUT
TOUT
MODE
TOUT
2801 F04
MODE t
r
, t
f
≤ 40ns
Figure 4. Driver Enable/Disable Times
2801234fd
5

LTC2801CDE#TR相似产品对比

LTC2801CDE#TR LTC2803IGN-1#TR LTC2804CDHC#TR LTC2804IDHC#TR
描述 LTC2801 - 1.8V to 5.5V RS-232 Single and Dual Transceivers; Package: DFN; Pins: 12; Temperature Range: 0°C to 70°C LTC2803 - 1.8V to 5.5V RS-232 Single and Dual Transceivers; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C LTC2804 - 1.8V to 5.5V RS-232 Single and Dual Transceivers; Package: DFN; Pins: 16; Temperature Range: 0°C to 70°C LTC2804 - 1.8V to 5.5V RS-232 Single and Dual Transceivers; Package: DFN; Pins: 16; Temperature Range: -40°C to 85°C
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology
是否Rohs认证 不符合 不符合 不符合 不符合
零件包装代码 DFN SSOP DFN DFN
包装说明 SON, SOLCC12,.12,20 SSOP, SSOP16,.25 SON, SOLCC16,.12,20 HVSON, SOLCC16,.12,20
针数 12 16 16 16
制造商包装代码 DE/UE GN DHC DHC
Reach Compliance Code not_compliant not_compliant not_compliant not_compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99
差分输出 NO NO NO NO
驱动器位数 1 2 2 2
JESD-30 代码 R-PDSO-N12 R-PDSO-G16 R-PDSO-N16 R-PDSO-N16
JESD-609代码 e0 e0 e0 e0
湿度敏感等级 1 1 1 1
端子数量 12 16 16 16
最高工作温度 70 °C 85 °C 70 °C 85 °C
最小输出摆幅 10 V 10 V 10 V 10 V
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 SON SSOP SON HVSON
封装等效代码 SOLCC12,.12,20 SSOP16,.25 SOLCC16,.12,20 SOLCC16,.12,20
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度) 235 235 235 235
电源 2/5 V 2/5 V 2/5 V 2/5 V
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified
表面贴装 YES YES YES YES
技术 CMOS CMOS CMOS CMOS
温度等级 COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL
端子面层 Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
端子形式 NO LEAD GULL WING NO LEAD NO LEAD
端子节距 0.5 mm 0.635 mm 0.5 mm 0.5 mm
端子位置 DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
厂商名称 - Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
请教关于quartus ii 11.1使用问题
我安装的是quartus11.1,系统是xp系统,但是没有nios hardware选项,无法在线硬件仿真。网上说要以兼容模式运行,然而我这已经是xp系统了 ...
756413962 FPGA/CPLD
我的AVR程序
我的AVR程序...
ahshan Microchip MCU
RFID部件原理图例解释
希望有所帮助~!!~...
congmifang 无线连接
单片机视频教程【5】外部中断
http://player.youku.com/player.php/sid/30389480/v.swf...
柳飘飘 单片机
TVP5150的低功耗视频解码模块
0 引言 随着便携式多媒体终端需求量迅速增加,在视频解码等方面对芯片低功耗的要求也越来越高。因此,只有将模拟视频信号转换成为符合ITU-R BT.656标准的数字信号,才可方便地利用FPGA或者DSP ......
程序天使 51单片机
开源机器人项目——欢迎各位加入
开源机器人项目介绍 —— 欢迎有才之士的加入 最新QQ群:119349831 验证信息写:eeworld 促进中国开源机器人事业发展,弥补国内自主开源机器人项目的空白。让更多的 ......
kevinrobot 机器人开发

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 487  577  851  2825  648  42  5  26  41  21 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved