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參數資料
| 型號： | MAX3430 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 【80V Fault-Protected, Fail-Safe, 1/4-Unit Load, #.3V RS-485 Transceiver |
| 中文描述： | ±80V故障保護、失效保護、1/4單元負載、+3.3V、RS-485收發器 |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 238K |
| 代理商： | MAX3430 |
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
M
±80V Fault-Protected, Fail-Safe,
1/4-Unit Load, +3.3V RS-485 Transceiver
________________________________________________________________
Maxim Integrated Products
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.
1
Pin Configuration and Typical Operating Circuit
Ordering Information
1
2
3
4
8
5
V
CC
0.1
μ
F
GND
DI
DE
RE
RO
R
D
Rt
Rt
7
6
D
R
DE
RE
DI
RO
A
B
B
A
MAX3430
19-2756; Rev 1; 4/03
PART
TEMP RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 Plastic DIP
8 SO
8 Plastic DIP
8 SO
MAX3430CPA
MAX3430CSA
MAX3430EPA
MAX3430ESA
TOP VIEW
1
2
3
4
8
7
6
5
V
CC
B
A
GND
DI
DE
RE
RO
DIP/SO
R
D
相關PDF資料 |
PDF描述 |
|---|---|
| MAX3430CPA | 【80V Fault-Protected, Fail-Safe, 1/4-Unit Load, #.3V RS-485 Transceiver |
| MAX3430CSA | 【80V Fault-Protected, Fail-Safe, 1/4-Unit Load, #.3V RS-485 Transceiver |
| MAX3430EPA | 【80V Fault-Protected, Fail-Safe, 1/4-Unit Load, #.3V RS-485 Transceiver |
| MAX3430ESA | 【80V Fault-Protected, Fail-Safe, 1/4-Unit Load, #.3V RS-485 Transceiver |
| MAX3450 | CLAMP |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3430CPA | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3430CPA+ | 功能描述:RS-485接口IC Fail-Safe 1/4-Unit 3.3V Transceiver RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3430CSA | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3430CSA+ | 功能描述:RS-485接口IC Fail-Safe 1/4-Unit 3.3V Transceiver RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3430CSA+T | 功能描述:RS-485接口IC Fail-Safe 1/4-Unit 3.3V Transceiver RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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