參數(shù)資料
型號(hào): LTC2871IUHF#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 9/36頁(yè)
文件大?。?/td> 0K
描述: IC TXRX RS485/RS422 38-QFN
產(chǎn)品培訓(xùn)模塊: LTC2870 and LTC2871 Multi-Protocol Transceivers
標(biāo)準(zhǔn)包裝: 52
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 3/3
規(guī)程: RS232,RS422,RS485
電源電壓: 3 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 38-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 38-QFN(5x7)
包裝: 管件
配用: DC1786A-ND - BOARD DEMO LTC2871
LTC2870/LTC2871
17
28701f
FUNCTION TABLES
Table 1. LTC2870 Mode Selection Table
FEN
485/232
RXEN
DXEN
TE485
H/F
LB
DC/DC
CONVERTER MODE AND COMMENTS
0
X
1
0
X
OFF
Low Power Shutdown: All Main Functions Off
0
1
0
X
OFF
Low Power Shutdown: All Main Functions Off
1
X
1
0
X
ON
Fast-Enable: DC/DC Converter On Only
X
0
X
1
X
0
ON
RS232 Drivers On
X
0
X
0
ON
RS232 Receivers On
X
1
X
1
X
0
ON
RS485 Driver On
X
1
0
X
0
ON
RS485 Receiver On
X
1
X
1
X
ON
RS485 Driver and Receiver 120Ω Termination Enabled
X
1
X
0
X
RS485 Full-Duplex Mode
X
1
X
1
0
X
RS485 Half-Duplex Mode
X
1
0
X
1
ON
RS485 Loopback Mode
X
0
X
1
ON
RS232 Loopback Mode
Table 2. LTC2871 Mode Selection Table (CH2 = 0)
FEN
RX232
DX232
RX485
DX485
TE485
H/F
LB
DC/DC
CONVERTER MODE AND COMMENTS
0
1
0
1
0
X
OFF
Low Power Shutdown: All Main Functions Off
1
0
1
0
X
ON
Fast-Enable: DC/DC Converter On Only
X
1
X
0
ON
RS232 Drivers On
X
0
X
0
ON
RS232 Receivers On
X
1
X
0
ON
RS485 Driver On
X
0
X
0
ON
RS485 Receiver On
X
0
X
RS485 Full-Duplex Mode
X
1
0
X
RS485 Half-Duplex Mode
X
0
X
1
ON
RS485 Loopback Mode
X
0
X
1
ON
RS232 Loopback Mode
Table 3. RS232 Receiver Mode (485/232 = 0 for LTC2870, CH2 = 0 for LTC2871)
RX232 OR RXEN
RECEIVER INPUTS
(A, B, RIN1, RIN2)
CONDITIONS
RECEIVER OUTPUTS
(RA, RB, ROUT1, ROUT2)
LTC2870 RECEIVER INPUTS
(A, B)
LTC2871 RECEIVER INPUTS
(RIN1, RIN2)
1
X
No Fault
Hi-Z
125kΩ
Hi-Z
0
No Fault
1
5kΩ
0
1
No Fault
0
5kΩ
0
X
Thermal Fault
Hi-Z
5kΩ
Table 4. RS232 Driver Mode (485/232 = 0 for LTC2870, CH2 = 0 for LTC2871)
DX232 OR DXEN
DRIVER INPUTS
(DY, DZ, DIN1, DIN2)
CONDITIONS
LTC2870 DRIVER OUTPUTS
(Y, Z)
LTC2871 DRIVER OUTPUTS
(DOUT1, DOUT2)
0
X
No Fault
125kΩ
Hi-Z
1
0
No Fault
1
No Fault
0
X
Thermal Fault
125kΩ
Hi-Z
相關(guān)PDF資料
PDF描述
LTC4213IDDB#TRPBF IC CIRC BREAK ELEC 8-DFN
LTC4258CGW#TRPBF IC POE 802.3AF QUAD 36-SSOP
LTC4259ACGW#TR IC CTRLR POE QUAD AC DISC 36SSOP
LTC4264IDE#TRPBF IC CNTRLR PD INTERFACE 12-DFN
LTC4266IGW#PBF IC CTRLR IEEE 802.3AT 36-SSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC2872CUHF#PBF 功能描述:IC LINEAR OP AMP 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
LTC2872CUHF#TRPBF 功能描述:IC LINEAR OP AMP 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)
LTC2872IUHF#PBF 功能描述:IC TRANSCEIVER 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
LTC2872IUHF#TRPBF 功能描述:IC RS232 TRANSCEIVER 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)
LTC2874IFE#PBF 制造商:Linear Technology 功能描述:IC CONTROLLER HOT SWAP 38TSSOP