参数资料
型号: LTC1334CG
厂商: Linear Technology
文件页数: 11/16页
文件大小: 0K
描述: IC CMOS TXRX MULTIPROTOCL 28SSOP
标准包装: 47
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-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
4
LTC1334
AC ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the
safety of the device cannot be guaranteed.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to device ground unless
otherwise specified.
Note 3: All typicals are given at VCC = 5V, C1 = C2 = C3 = C4 = 0.1F
and TA = 25°C.
Note 4: Short-circuit current for RS485 driver output low state folds back
above VCC. Peak current occurs around VO = 3V.
Note 5: The “B” RS232 receiver output is disabled in RS485 mode
(SEL1 = SEL2 = high). The unused output driver goes into a high
impedance mode and has a resistor to VCC. See Applications Information
section for more details.
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Receiver Output High Voltage
vs Temperature
TEMPERATURE (
°C)
–50
OUTPUT
VOLTAGE
(V)
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
0
50
75
LTC1334 TPC01
–25
25
100
125
IOUT = 3mA
VCC = 5V
TEMPERATURE (
°C)
–50
TIME
(ns)
20
18
16
14
12
10
8
6
4
2
0
50
75
LTC1334 TPC03
–25
25
100
125
VCC = 5V
RS485 Receiver Skew
tPLH – tPHL vs Temperature
TEMPERATURE (
°C)
–50
OUTPUT
VOLTAGE
(V)
0.5
0.4
0.3
0.2
0.1
0
50
75
LTC1334 TPC02
–25
25
100
125
IOUT = 3mA
VCC = 5V
Receiver Output Low Voltage
vs Temperature
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, C1 = C2 = C3 = C4 = 0.1F (Notes 2, 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RS485 Mode (SEL1 = SEL2 = High)
tZL
Driver Enable to Output Low
Figures 3, 7, CL = 100pF, S1 Closed
q
50
90
ns
tZH
Driver Enable to Output High
Figures 3, 7, CL = 100pF, S2 Closed
q
50
90
ns
tLZ
Driver Disable from Low
Figures 3, 7, CL = 15pF, S1 Closed
q
50
90
ns
tHZ
Driver Disable from High
Figures 3, 7, CL = 15pF, S2 Closed
q
60
90
ns
tPLH
Receiver Input to Output
Figures 2, 8, RL = 54, CL = 100pF
q
20
60
140
ns
tPHL
Receiver Input to Output
Figures 2, 8, RL = 54, CL = 100pF
q
20
70
140
ns
tSKEW
Differential Receiver Skew,
tPLH – tPHL
Figures 2, 8, RL = 54, CL = 100pF
10
ns
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LTC1334CG#PBF 功能描述:IC CMOS TXRX MULTIPROTOCL 28SSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 产品培训模块:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SSOP(0.209",5.30mm 宽) 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2
LTC1334CG#PBF 制造商:Linear Technology 功能描述:RS232/RS485 Transceiver IC
LTC1334CG#TR 功能描述:IC TXRX CMOS MULTIPROTOCL 28SSOP 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:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)
LTC1334CG#TRPBF 功能描述:IC CMOS TXRX MULTIPROTOCL 28SSOP 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:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)
LTC1334CNW 功能描述:IC CMOS TXRX MULTIPROTOCOL 28DIP 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:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)