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參數(shù)資料
| 型號： | ADM1485ARMZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS-485 5V HS 8MSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS485 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
REV.
ADM1485
–3–
ABSOLUTE MAXIMUM RATINGS
*
(TA = 25
°C, unless otherwise noted.)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Inputs
Driver Input (DI) . . . . . . . . . . . . . . . . –0.3 V to VCC + 0.3 V
Control Inputs (DE,
RE) . . . . . . . . . .–0.3 V to V
CC + 0.3 V
Receiver Inputs (A, B) . . . . . . . . . . . . . . . . . . –9 V to +14 V
Outputs
Driver Outputs (A, B) . . . . . . . . . . . . . . . . . . –9 V to +14 V
Receiver Output . . . . . . . . . . . . . . . . . –0.5 V to VCC + 0.5 V
Power Dissipation 8-Lead MSOP . . . . . . . . . . . . . . . 900 mW
θ
JA, Thermal Impedance
. . . . . . . . . . . . . . . . . . . 206
°C/W
Power Dissipation 8-Lead PDIP . . . . . . . . . . . . . . . . 500 mW
θJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . 130°C/W
Power Dissipation 8-Lead SOIC . . . . . . . . . . . . . . . . 450 mW
θJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . 170°C/W
Operating Temperature Range
Commercial (J Version) . . . . . . . . . . . . . . . . . . 0
°C to 70°C
Industrial (A Version) . . . . . . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . –65
°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300
°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . 215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum ratings
for extended periods of time may affect device reliability.
PIN FUNCTION DESCRIPTIONS
Pin Mnemonic
Function
No.
1
RO
Receiver Output. When enabled if A > B
by 200 mV, then RO = High. If A < B by
200 mV, then RO = Low.
2
RE
Receiver Output Enable. A low level
enables the receiver output, RO. A high
level places it in a high impedance state.
3
DE
Driver Output Enable. A high level enables
the driver differential outputs, A and B. A low
level places it in a high impedance state.
4
DI
Driver Input. When the driver is enabled,
a logic low on DI forces A low and B high
while a logic high on DI forces A high and
B low.
5
GND
Ground Connection, 0 V.
6
A
Noninverting Receiver Input A/Driver
Output A.
7
B
Inverting Receiver Input B/Driver Output B
8VCC
Power Supply, 5 V
± 5%.
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
RO
RE
DE
VCC
B
A
GND
DI
ADM1485
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although the
ADM1485 features proprietary ESD protection circuitry, permanent damage may occur on devices
subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended
to avoid performance degradation or loss of functionality.
Table I. Transmitting
Inputs
Outputs
DE
DI
B
A
11
0
1
10
1
0
0X
Z
Table II. Receiving
Inputs
Outputs
RE
A-B
RO
0
≥ +0.2 V
1
0
≤ –0.2 V
0
Inputs Open
1
1X
Z
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| ADM1485AR-REEL | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N T/R 制造商:Analog Devices 功能描述:IC TRANSCEIVER RS485 |
| ADM1485AR-REEL7 | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:RS-485 HIGH SPEED I/F IC - Tape and Reel |
| ADM1485ARZ | 功能描述:IC TX/RX RS-485 HS 5V 8SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，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 |
| ADM1485ARZ-REEL | 功能描述:IC TXRX RS-485 5V HS 8SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| ADM1485ARZ-REEL7 | 功能描述:IC TXRX RS-485 5V HS 8SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
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