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參數(shù)資料
| 型號： | MAX3157CAI |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485/422 250KBPS 28SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 46 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SSOP |
| 包裝： | 管件 |
MAX3157
High CMRR RS-485 Transceiver
with ±50V Isolation
_______________________________________________________________________________________
7
DE
5V/div
VY
10V/div
100
s/div
0
+50V
POWER-UP DELAY
(VISOCOM = +50V)
MAX3157toc19
0
20
10
40
30
50
60
0.1
1
10
MAXIMUM COMMON-MODE PEAK VOLTAGE TO
GROUND vs. COMMON-MODE FREQUENCY
MAX3157
toc20
COMMON-MODE FREQUENCY (kHz)
COMMON-MODE
PEAK
VOLTAGE
TO
GROUND
(V)
MAXIMUM COMMON PEAK
VOLTAGE TO ISOCOM
COMMON-MODE VOLTAGE TO
ISOCOM = 7V PEAK
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.)
Test Circuits and Timing Diagrams
R
Y
Z
VOD
VOC
Figure 1. Driver DC Test Load
DI
DE
3V
Y
Z
CL1
CL2
RDIFF
VID
Figure 3. Driver Timing Test Circuit
RECEIVER
OUTPUT
TEST POINT
1k
1k
S1
S2
VCC
CL
100pF
OUTPUT
UNDER TEST
500
S1
S2
VCC
CL
Figure 2. Receiver Enable/Disable Timing Test Load
Figure 4. Driver Enable/Disable Timing Test Load
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝: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 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3157CAI-T | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3157CPI | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3157CPI+ | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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