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參數資料
| 型號： | MAX3430ESA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS-485 3.3V 8-SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 收發器 |
| 驅動器/接收器數： | 1/1 |
| 規程： | 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-SOIC |
| 包裝： | 帶卷 (TR) |
General Description
The MAX3430 fault-protected RS-485 transceiver features
±80V protection from overvoltage signal faults on commu-
nication bus lines. Each device contains one driver and
one receiver, and the output pins can withstand faults,
with respect to ground, of up to ±80V. Even if the faults
occur when the transceiver is active, shut down, or pow-
ered off, the device will not be damaged. The MAX3430
operates from a 3.3V supply and features a slew-rate-lim-
ited driver that minimizes EMI and reduces reflections
caused by improperly terminated cables, allowing error-
free data transmission at data rates up to 250kbps. The
MAX3430 has a 1/4-unit-load receiver input impedance
allowing up to 128 transceivers on a single bus and fea-
tures fail-safe circuitry, which guarantees a logic-high
receiver output when the receiver inputs are open.
Hot-swap circuitry eliminates false transitions on the
data cable during circuit initialization or connection to a
live backplane. Short-circuit current limiting and ther-
mal-shutdown circuitry protect the driver against exces-
sive power dissipation.
The MAX3430 is available in 8-pin SO and 8-pin PDIP
packages, and is specified over commercial and indus-
trial temperature ranges.
Applications
RS-422/RS-485 Communications
Lighting Systems
Industrial-Control Local Area Networks
Profibus Applications
Multimaster RS-485 Networks
Features
o ±80V Fault Protection
o ±12kV ESD Protection
o +3.3V Operation
o Internal Slew-Rate Limiting
o 250kbps Data Rate
o Allows Up to 128 Transceivers on the Bus
o -7V to +12V Common-Mode Input Voltage Range
o True Fail-Safe Inputs
o Hot-Swap Input Structure on DE
o Available in 8-Pin SO and PDIP Packages
MAX3430
±80V Fault-Protected, Fail-Safe,
1/4-Unit Load, +3.3V RS-485 Transceiver
________________________________________________________________ Maxim Integrated Products
1
Pin Configuration and Typical Operating Circuit
Ordering Information
1
2
3
4
8
5
VCC
0.1
F
GND
DI
DE
RE
RO
R
D
Rt
7
6
D
R
DE
RE
DI
RO
A
B
A
MAX3430
19-2756; Rev 1; 4/03
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
MAX3430CPA
0°C to +70°C
8 Plastic DIP
MAX3430CSA
0°C to +70°C
8 SO
MAX3430EPA
-40°C to +85°C
8 Plastic DIP
MAX3430ESA
-40°C to +85°C
8 SO
TOP VIEW
1
2
3
4
8
7
6
5
VCC
B
A
GND
DI
DE
RE
RO
DIP/SO
R
D
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3430ESA-W | 制造商:Maxim Integrated Products 功能描述:+/-80V FAULT-PROTECTED, FAIL-SAFE, 1/4-UNIT L - Rail/Tube |
| MAX3430ESD | 制造商:Maxim Integrated Products 功能描述:+/-80V FAULT-PROTECTED, FAIL-SAFE, 1/4-UNIT L - Rail/Tube |
| MAX34405AEZT+ | 功能描述:轉換 - 電壓電平 DDR VRef Marginer RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| MAX34405AEZT+T | 功能描述:轉換 - 電壓電平 DDR VRef Marginer RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| MAX34405BEZT+ | 功能描述:轉換 - 電壓電平 DDR VRef Marginer RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
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