參數(shù)資料
型號(hào)： MAX3157CAI-T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 7/13頁(yè)
文件大小： 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： 2,000
類型： 收發(fā)器
驅(qū)動(dòng)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： 帶卷 (TR)
MAX3157
High CMRR RS-485 Transceiver
with ±50V Isolation
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +5V ±5%, YR = ZR = AR = BR = ISOCOM, C1 = C2 = 0.047F, C3 = C4 = 1F, TA = TMIN to TMAX, unless otherwise noted.
Typical values are at VCC = +5V and TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DE = GND, VCC = GND or 5.25V, -7V
≤ (VIN -
VISOCOM)
≤ 12V, YR = ZR = ISOCOM
-5.0
8.0
Output Leakage (Y and Z)
Full Duplex
IO
DE = GND, VCC = GND or 5.25V, -7V
≤ (VIN -
VISOCOM)
≤ 12V, YR open, ZR open
-0.58
1.0
mA
IOSD1
VISOCOM - 7V
≤ VOUT ≤ VISOVCC
-250
Driver Short-Circuit Output
Current (Note 3)
IOSD2
VISOCOM - 7V
≤ VOUT ≤ VISOCOM +12V
250
mA
RECEIVER
Receiver Differential Threshold
Voltage
VTH
-7V
≤ VCM - VISOCOM ≤ 12V
-200
-125
-50
mV
Receiver Input Hysteresis
VTH
25
mV
Receiver Output High Voltage
VOH
IO = -4mA, VID = -50mV
V CC - 1.5
V
Receiver Output Low Voltage
VOL
IO = 4mA, VID = -200mV
0.4
V
Three-State Output Current at
Receiver
IOZR
0.4V
≤ VO ≤ 2.4V
±1A
-7V
≤ VCM - VISOCOM ≤ 12V, AR = BR =
ISOCOM
1.5
Receiver Input Resistance
RIN
-7V
≤ VCM - VISOCOM ≤ 12V, AR open,
BR open
12
k
Receiver Output Short-Circuit
Current
IOSR
0V
≤ VRO ≤ VCC
±7
±100
mA
SUPPLY CURRENT
Supply Current
ICC
No load, RE = DE = DI = GND or VCC
25
85
mA
DE = GND, RE = VCC, VISOCOM = GND
25
60
Supply Current in Shutdown
Mode
ISHDN
DE = GND, RE = VCC, VISOCOM =
±50V
±600
A
Maximum Ground Differential
VGND
DE = GND, RE = VCC,
| ISOCOM leakage |
≤ 600A
±50
V
SWITCHING CHARACTERISTICS
(VCC = +5V ±5%, YR = ZR = AR = BR = ISOCOM, C1 = C2 = 0.047F, C3 = C4 = 1F. Typical values are at VCC = +5V and TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
tDPLH
Figures 3 and 5, RDIFF = 54
,
CL1 = CL2 = 100pF
400
1400
2000
Driver Input to Output
tDPHL
Figures 3 and 5, RDIFF = 54
,
CL1 = CL2 = 100pF
400
1400
2000
ns
Driver Output Skew
| tDPLH - tDPHL |
tDSKEW
Figures 3 and 5, RDIFF = 54
,
CL1 = CL2 = 100pF
250
ns
Driver Rise or Fall Time
tDR, tDF
Figures 3 and 5, RDIFF = 54
,
CL1 = CL2 =100pF
200
1200
2200
ns
Maximum Data Rate
fMAX
250
kbps
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參數(shù)描述
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
MAX3157EAI 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
MAX3157EAI+ 功能描述:RS-422/RS-485 接口 IC High CMRR RS-485 Trxvr 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
MAX3157EAI+T 功能描述:RS-485接口IC High CMRR RS-485 Trxvr w/+-50V Iso 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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