(V
參數(shù)資料
型號(hào)： MAX3466CSD+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 10/13頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS485/422 14-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
類(lèi)型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 4.75 V ~ 5.25 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 14-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 14-SOIC
包裝： 帶卷 (TR)
MAX3465–MAX3469
+5V, Fail-Safe, 40Mbps, Profibus RS-485/
RS-422 Transceivers
6
Typical Operating Characteristics (continued)
(VCC = +5V, TA = +25°C, unless otherwise noted.)
DRIVER AND RECEIVER
PROPAGATION DELAYS
MAX3465 toc13
10ns/div
5V/div
2V/div
Y, Z
DI
RO
RDIFF = 54
Ω
DATA RATE = 20Mbps
ENABLE RESPONSE TIME
MAX3465 toc14
20ns/div
5V/div
1V/div
Y, Z
DE
RDIFF = 54
Ω
EYE DIAGRAM
MAX3465 toc15
10ns/div
1V/div
Y, Z
RDIFF = 54
Ω
DATA RATE = 20Mbps
Pin Description
PIN
FULL DUPLEX
HALF
DUPLEX
MAX3465/
MAX3466
MAX3467
MAX3468/
MAX3469
NAME
FUNCTION
1
—
SHDN
Shutdown. Drive SHDN high to enter low-power shutdown mode.
22
1
RO
Receiver Output. When RE is low and (A - B)
≥ -50mV, RO is high; if (A - B) ≤
-200mV, RO is low.
3—
2
RE
Receiver Output Enable. Drive RE low to enable RO; RO is high impedance
when RE is high. Drive RE high and DE low to enter low-power shutdown mode.
4—
3
DE
Driver Output Enable. Drive DE high to enable driver output. The driver
outputs are high impedance when DE is low. Drive RE high and DE low to
enter low-power shutdown mode. Do not leave RE unconnected when using
the MAX3466 or MAX3469.
53
4
DI
Driver Input. With DE high, a low on DI forces the noninverting output low and
the inverting output high. Similarly, a high on DI forces the noninverting output
high and the inverting output low.
6, 7
4
5
GND
Ground
8
—
TXP
Transmitter Phase. Connect TXP to GND, or leave unconnected for normal
transmitter phase/polarity. Connect TXP to VCC to invert the transmitter
phase/polarity. TXP has an internal 15A pulldown.
9
5
—
Y
Noninverting Driver Output
10
6
—
Z
Inverting Driver Output
11
7
—
B
Inverting Receiver Input
12
8
—
A
Noninverting Receiver Input
13
—
RXP
Receiver Phase. Connect RXP to GND, or leave unconnected for normal
receiver phase/polarity. Connect RXP to VCC to invert the receiver
phase/polarity. RXP has an internal 15A pulldown.
14
1
8
VCC
Positive Supply: +4.75V
≤ VCC ≤ +5.25V. Bypass VCC to GND with a 0.1F capacitor.
—
7
B
Inverting Receiver Input and Inverting Driver Output
—
6
A
Noninverting Receiver Input and Noninverting Driver Output
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MAX3466ESD 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
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MAX3466ESD-T 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
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