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參數(shù)資料
| 型號： | ADM3490EARZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS-485 3.3V FD 8-SOIC |
| 標準包裝： | 98 |
| 類型： | 收發(fā)器 |
| 驅動器/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： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SO |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 790 (CN2011-ZH PDF) |
ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Rev. A | Page 8 of 20
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
RO 1
RE 2
DE 3
DI 4
VCC
8
B
7
A
6
GND
5
ADM3483E/
ADM3486E
TOP VIEW
(Not to Scale)
062
84-
004
VCC 1
RO 2
DI 3
GND 4
A
8
B
7
Z
6
Y
5
ADM3488E/
ADM3490E
TOP VIEW
(Not to Scale)
062
84
-00
5
NC 1
RO 2
RE 3
DE 4
VCC
14
VCC
13
A
12
B
11
DI 5
Z
10
GND 6
Y
9
GND 7
NC
NC = NO CONNECT
8
ADM3491E
TOP VIEW
(Not to Scale)
062
84
-00
6
Figure 4. ADM3483E/ADM3486E
Pin Configuration
Figure 5. ADM3488E/ADM3490E
Pin Configuration
Figure 6. ADM3491E
Pin Configuration
Table 8. Pin Function Descriptions
ADM3483E/
ADM3486E
Pin No.
ADM3488E/
ADM3490E
Pin No.
ADM3491E
Pin No.
Mnemonic
Description
1
2
RO
Receiver Output. If A > B by 200 mV, RO is high; if A < B by 200 mV,
RO is low.
2
N/A
3
RE
Receiver Output Enable. A low level enables the receiver output. A high
level places it in a high impedance state. If RE is high and DE is low, the
device enters a low power shutdown mode.
3
N/A
4
DE
Driver Output Enable. A high level enables the driver differential A and B
outputs. A low level places it in a high impedance state. If RE is high and DE
is low, the device enters a low power shutdown mode.
4
3
5
DI
Driver Input. With a half-duplex part when the driver is enabled, a logic low
on DI forces A low and B high; a logic high on DI forces A high and B low.
With a full-duplex part when the driver is enabled, a logic low on DI forces Y
low and Z high; a logic high on DI forces Y high and Z low.
5
4
6, 7
GND
Ground.
N/A
5
9
Y
Noninverting Driver Output.
6
N/A
A
Noninverting Receiver Input A and Noninverting Driver Output A.
N/A
8
12
A
Noninverting Receiver Input A.
N/A
6
10
Z
Inverting Driver Output.
7
N/A
B
Inverting Receiver Input B and Inverting Driver Output B.
N/A
7
11
B
Inverting Receiver Input B.
8
1
13, 14
VCC
Power Supply, 3.3 V ± 0.3 V. Bypass VCC to GND with a 0.1 μF capacitor.
N/A
1, 8
NC
No Connect. Not internally connected. Can be connected to GND.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADM3490EARZ-REEL7 | 功能描述:IC TXRX RS485 3.3V FD 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:121 系列:- 類型:收發(fā)器 驅動器/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 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
| ADM3491 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3.3 V, Full Duplex, 840 uA 20 Mbps, EIA RS-485 Transceiver |
| ADM3491AN | 制造商:Analog Devices 功能描述:LINE TRANSMITTER/RCVR 1TR 1TX 1RX 14PDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:3V FULL DUPLEX RS 485 I.C. - Bulk |
| adm3491an-1 | 制造商:Analog Devices 功能描述: |
| ADM3491ANZ | 制造商:Analog Devices 功能描述:LINE TRANSMITTER/RCVR 1TR 1TX 1RX 14PDIP - Rail/Tube |
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