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参数资料
| 型号： | MAX3157CAI |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/13页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/422 250KBPS 28SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS422，RS485 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
MAX3157
High CMRR RS-485 Transceiver
with ±50V Isolation
6
_______________________________________________________________________________________
1.80
1.84
1.82
1.90
1.88
1.86
1.92
1.94
1.96
1.98
-40
0
-20
20
40
60
80
DRIVER DIFFERENTIAL OUTPUT
VOLTAGE vs. TEMPERATURE
MAX3157toc10
TEMPERATURE (
°C)
OUTPUT
VOLTAGE
(V)
RL = 54
410
420
450
440
430
460
470
480
490
-40
0
-20
20
40
60
80
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX3157toc11
TEMPERATURE (
°C)
PROPAGATION
DELAY
(ns)
1.32
1.34
1.36
1.42
1.44
1.40
1.38
1.46
1.48
1.50
1.52
-40
0
-20
20
40
60
80
DRIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX3157toc12
TEMPERATURE (
°C)
PROPAGATION
DELAY
(
s)
RL = 54
1.300
1.350
1.325
1.400
1.375
1.475
1.450
1.425
1.500
-40
0
-20
20
40
60
80
100
DRIVER ENABLE TIME
vs. TEMPERATURE
MAX3157toc13
TEMPERATURE (
°C)
DRIVER
ENABLE
TIME
(
s)
0
50
100
200
150
250
-40
0
-20
20
40
60
80
100
DRIVER DISABLE TIME
vs. TEMPERATURE
MAX3157toc14
TEMPERATURE (
°C)
DRIVER
DISABLE
TIME
(ns)
0
VA - VB
5V/div
RO
0
RECEIVER PROPAGATION DELAY
MAX3157toc15
2
s/div
0
DI
2V/div
VY - VZ
0
DRIVER PROPAGATION DELAY
MAX3157toc16
2
s/div
RDIFF = 54
CL1 = CL2 = 100pF
POWER-UP DELAY
(VISOCOM = 0)
MAX3157toc17
40
s/div
DE
10V/div
VY
5V/div
DE
5V/div
VY
10V/div
100
s/div
0
-50V
POWER-UP DELAY
(VISOCOM = -50V)
MAX3157toc18
Typical Operating Characteristics (continued)
(VCC = +5V, YR = ZR = AR = BR = ISOCOM, C1 = C2 = 0.047F, C3 = 1F, C4 = 10nF, TA = +25°C, unless otherwise noted.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3157CAI+ | 功能描述:RS-422/RS-485 接口 IC High CMRR RS-485 Tcvr w/+-50V Iso RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3157CAI+T | 功能描述:RS-422/RS-485 接口 IC High CMRR RS-485 Tcvr w/+-50V Iso RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3157CAI-T | 功能描述:RS-485接口IC 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 |
| MAX3157CPI | 功能描述:RS-485接口IC 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 |
| MAX3157CPI+ | 功能描述:RS-485接口IC 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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