參數(shù)資料
型號(hào)： LTC1334CG
廠商： Linear Technology
文件頁數(shù)： 11/16頁
文件大?。?/td> 0K
描述： IC CMOS TXRX MULTIPROTOCL 28SSOP
標(biāo)準(zhǔn)包裝： 47
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 3/3
規(guī)程： RS232，RS485
電源電壓： 4.75 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 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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參數(shù)描述
LTC1334CG#PBF 功能描述:IC CMOS TXRX MULTIPROTOCL 28SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱: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 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
LTC1334CG#TRPBF 功能描述:IC CMOS TXRX MULTIPROTOCL 28SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
LTC1334CNW 功能描述:IC CMOS TXRX MULTIPROTOCOL 28DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
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