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| 型号： | MAX13181EELB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-485 +5.0V ESD 10UDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN |
| 供应商设备封装： | 10-uDFN（2x2） |
| 包装： | 带卷 (TR) |
Detailed Description
The MAX13181E–MAX13184E high-speed transceivers
for RS-485 communication contain one driver and one
receiver. These devices feature 1/8 unit-load input
impedance that allows up to 256 receivers on the bus.
All devices feature integrated pullup/pulldown resistors
on the DE,
RE, and H/F inputs to reduce external com-
ponents. The MAX13182E/MAX13184E feature a low-
current shutdown mode for power-sensitive applications.
The MAX13181E/MAX13182E feature reduced slew-rate
drivers to minimize EMI and reflections that are caused
by improperly terminated cables. The slew-rate limited
MAX13181E/MAX13182E allow error-free transmission
up to 250Kbps. The MAX13183E/MAX13184E feature
full-speed drivers allowing data rate of up to 16Mbps.
The MAX13182E/MAX13184E are configured for full-
duplex operation. The MAX13181E/MAX13183E feature
selectable half- or full-duplex operation by driving H/
F
input high or low, respectively. All devices operate from
a single +5.0V supply.
±15kV ESD Protection
As with all Maxim devices, ESD-protection structures
are incorporated on all pins to protect against electro-
static discharges encountered during handling and
assembly. The driver outputs of the MAX13181E–
MAX13184E family have extra protection against static
electricity. Maxim’s engineers have developed state-of-
the-art structures to protect these driver outputs against
ESD of ±15kV with VCC = 5V, and regardless of the
logic state of DE and DI.
The ESD-protected pins are tested with reference to the
ground pin in a powered-down condition. They are test-
ed to ±15kV using the Human Body Model, ±12kV using
the IEC 61000-4-2 Air-Gap Discharge Model, and to
±6kV using the IEC 61000-4-2 Contact Discharge Model.
ESD Test Conditions
ESD performance depends on a variety of conditions.
Contact Maxim for a reliability report that documents
test setup, test methodology, and test results.
MAX13181E–MAX13184E
+5.0V, ±15kV ESD-Protected, Half-Duplex/
Full-Duplex, RS-485 Transceiver in DFN
______________________________________________________________________________________
11
Pin Description
MAX13181E/
MAX13183E
MAX13182E/
MAX13184E
MAX13182E/
MAX13184E
DFN
SO
NAME
FUNCTION
11
14
VCC
Positive Supply, VCC = +4.5V to +5.5V. Bypass VCC with a 0.1F ceramic
capacitor to ground.
22
2
RO
Receiver Output. When RE is low and (A-B)
≥ 200mV, RO is high; if (A-B) ≤
-200mV, RO is low.
—3
3
RE
Receiver Output Enable. Drive
RE low to enable RO. Drive RE high to
disable the receiver.
RE input has an internal pullup resistor.
3—
—
H/
F
Half-/Full-Duplex Selector Input. Connect H/
F to VCC for half-duplex mode.
Leave H/
F unconnected or connect H/F to GND for full-duplex mode. H/F
input has an internal pulldown resistor.
44
4
DE
Driver Output Enable. Drive DE high to enable the driver. Driver output is high
impedance when DE is low. DE input has an internal pulldown resistor.
55
5
DI
Driver Input. With DE high, a low on DI forces noninverting output low and
inverting output high. Similarly, a high on DI forces noninverting output high
and inverting output low.
6
6, 7
GND
Ground
77
9
Y
Noninverting Driver Output. (Also noninverting receiver input in half-duplex
mode.)
8
10
Z
Inverting Driver Output. (Also inverting receiver input in half-duplex mode.)
9
11
B
Inverting Receiver Input
10
12
A
Noninverting Receiver Input
—
1, 8, 13
N.C.
No Connection. N.C. is not internally connected.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX13182EELB+T | 功能描述:RS-485接口IC Ic Txrx RS-485 +5.0V Esd RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13182EESD+ | 功能描述:RS-485接口IC Ic Txrx RS-485 +5.0V Esd RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13182EESD+T | 功能描述:RS-485接口IC Ic Txrx RS-485 +5.0V Esd RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13183EELB+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX13183EELB+T | 功能描述:RS-485接口IC Ic Txrx RS-485 +5.0V Esd RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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