参数资料
型号: MAX488CPA+
厂商: Maxim Integrated Products
文件页数: 17/17页
文件大小: 0K
描述: IC TXRX RS485/RS422 LOWPWR 8-DIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
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: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
产品目录页面: 1402 (CN2011-ZH PDF)
MAX483/MAX487/MAX488/MAX489:
Reduced EMI and Reflections
The MAX483 and MAX487–MAX489 are slew-rate limit-
ed, minimizing EMI and reducing reflections caused by
improperly terminated cables. Figure 12 shows the dri-
ver output waveform and its Fourier analysis of a
150kHz signal transmitted by a MAX481, MAX485,
MAX490, MAX491, or MAX1487. High-frequency har-
monics with large amplitudes are evident. Figure 13
shows the same information displayed for a MAX483,
MAX487, MAX488, or MAX489 transmitting under the
same conditions. Figure 13’s high-frequency harmonics
have much lower amplitudes, and the potential for EMI
is significantly reduced.
Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
R
Y
Z
VOD
VOC
RECEIVER
OUTPUT
TEST POINT
1k
Ω
1k
Ω
S1
S2
VCC
CRL
15pF
DI
DE
3V
Y
Z
CL1
CL2
A
B
RO
RE
RDIFF
VID
OUTPUT
UNDER TEST
500
Ω
S1
S2
VCC
CL
_________________________________________________________________Test Circuits
Figure 4. Driver DC Test Load
Figure 5. Receiver Timing Test Load
Figure 6. Driver/Receiver Timing Test Circuit
Figure 7. Driver Timing Test Load
MAX481/MAX483/MAX485
MAX487–MAX491/MAX1487
Maxim Integrated
9
相关PDF资料
PDF描述
MAX9042AESA+ IC COMPARATOR DUAL 8-SOIC
VI-B1M-IV-F4 CONVERTER MOD DC/DC 10V 150W
MAX922CPA+ IC COMPARATOR DUAL LOWPWR 8-DIP
MAX9042AEUA+ IC COMPARATOR DUAL 8-UMAX
MAX1487CPA+ IC TXRX RS485/RS422 LOW PWR 8DIP
相关代理商/技术参数
参数描述
MAX488CPA+ 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver 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
MAX488CSA 功能描述:RS-422/RS-485 接口 IC 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
MAX488CSA+ 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver 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
MAX488CSA+T 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver 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
MAX488CSA-T 功能描述:RS-422/RS-485 接口 IC 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