參數(shù)資料
型號： MAX3160EAP-T
廠商： Maxim Integrated Products
文件頁數(shù)： 10/23頁
文件大小： 0K
描述： IC TXRX RS232/RS485/RS422 20SSOP
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,000
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 2/2
規(guī)程： RS232，RS422，RS485
電源電壓： 3 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 20-SSOP（0.209"，5.30mm 寬）
供應商設備封裝： 20-SSOP
包裝： 帶卷 (TR)
+3.0V to+5.5V, 1A, RS-232/RS-485/422
Multiprotocol Transceivers
ceivers to be connected in parallel on one communica-
tion line. The MAX3161/MAX3162 have a 1/8-unit load
receiver input impedance (96k
Ω), allowing up to 256
transceivers to be connected in parallel on one com-
munication line. Any combination of these devices
and/or other RS-485 transceivers with a total of 32-unit
loads or fewer can be connected to the line.
The MAX3160/MAX3161/MAX3162 RS-485 driver out-
puts are 1/8-unit load when disabled This impedance
may be reduced if the D1 pin is toggled at a high fre-
quency. With no power applied (VCC = GND), the RS-
485 transmitter output impedances typically go to 1/2-
unit load on the MAX3161/MAX3162, and to one-unit
load on the MAX3160.
Driver Output Protection
Two mechanisms prevent excessive output current and
power dissipation caused by faults or by bus con-
tention. The first, a foldback current limit on the output
stage, provides immediate protection against short cir-
cuits over the whole common-mode voltage range (see
Typical Operating Characteristics). The second, a ther-
mal shutdown circuit, forces the driver outputs into a
high-impedance state if the die temperature becomes
excessive.
Protection Against Wiring Faults
EIA/TIA-485 standards require a common input voltage
range of -7V to +12V to prevent damage to the device.
The MAX3160/MAX3161/MAX3162 inputs are protected
to RS-232 levels of ±25V for the receiver inputs and
±13.2V for the transmitter/driver outputs. This provides
additional protection for the RS-485 transceivers
against ground differential or faults due to miswiring.
RS-485/422 Reduced EMI and Reflections
The MAX3160/MAX3161/MAX3162 can be configured
for slew-rate limiting by pulling FAST low. This minimizes
EMI and reduces reflections caused by improperly ter-
minated cables. Operation in slew-rate limited mode
reduces the amplitudes of high-frequency harmonics.
SUPPLY VOLTAGE
(V)
C1 (F)
C2, C3, C4, CBYPASS
(F)
+3.0 TO +3.6
0.1
+4.5 TO +5.5
0.047
0.33
+3.0 TO +5.5
0.1
0.47
Table 13. Required Minimum Capacitance
Values
INPUTS
OUTPUT
RS485/
RS232
SHDN
HDPLX
A - B
Y(A) - Z(B)
RO/R2OUT
1
0
X
High-Z up to VCC
1
0
-50mV
X
1
0
-200mV
X
0
1
0
Floating
X
1
X
-50mV
1
X
-200mV
0
1
X
Floating
1
0
X
RS-232 Mode
Table 11. MAX3161
INPUTS
OUTPUT
SHDN
RE485
A - B
RO
0
X
High-Z
X
1
X
High-Z
1
0
-50mV
1
0
-200mV
0
1
0
Inputs Open
1
Table 12. MAX3162
Truth Tables (continued)
18
Maxim Integrated
MAX3160/MAX3161/MAX3162
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相關代理商/技術參數(shù)
參數(shù)描述
MAX3160ECAP 功能描述:RS-422/RS-485 接口 IC 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3160ECAP+ 功能描述:RS-422/RS-485 接口 IC 3-5.5V 1uA Tcvr Multiprotocol 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3160ECAP+T 功能描述:RS-422/RS-485 接口 IC 3-5.5V 1uA Tcvr Multiprotocol 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3160ECAP-T 功能描述:RS-422/RS-485 接口 IC 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3160EEAP 功能描述:RS-422/RS-485 接口 IC 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
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