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參數資料
| 型號： | MAX1490EBEPG+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 12/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RS485/RS422 DATA INTRFC 24DIP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 16 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 24-DIP（0.600"，15.24mm） |
| 供應商設備封裝： | 24-PDIP |
| 包裝： | 管件 |
| 產品目錄頁面： | 1403 (CN2011-ZH PDF) |
mA
MAX1480E/MAX1490E
±15kV ESD-Protected, Isolated RS-485/RS-422
Data Interfaces
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VCC_ = +5V ±10%, VFS = VCC_, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC_ = +5V and TA = +25°C.)
(Notes 1, 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
With Respect to GND_
Supply Voltage (VCC_)..........................................-0.3V to +6V
Control Input Voltage (SD, FS)..............-0.3V to (VCC_ + 0.3V)
Receiver Output Voltage (RO, RO).......-0.3V to (VCC_ + 0.3V)
Output Switch Voltage (D1, D2).......................................+12V
With Respect to ISO COM_
Control Input Voltage (ISO DE_) ....-0.3V to (ISO VCC_ + 0.3V)
Driver Input Voltage (ISO DI_) .......-0.3V to (ISO VCC_ + 0.3V)
Receiver Output Voltage (ISO RO_) ..-0.3V to (ISO VCC_ + 0.3V)
Driver Output Voltage (A, B, Y, Z) ......................-8V to +12.5V
Receiver Input Voltage (A, B).............................-8V to +12.5V
LED Forward Current (DI, DE, ISO RO LED) ......................50mA
Continuous Power Dissipation (TA = +70°C)
24-Pin Plastic DIP (derate 8.7mW°C above +70°C) ....696mW
28-Pin Plastic DIP (derate 9.09mW/°C above +70°C) .727mW
Operating Temperature Ranges
MAX1480E_CPI/MAX1490E_CPI ........................0°C to +70°C
MAX1480E_EPI/MAX1490E_EPI ......................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Operating Supply Current
ICC
1.5
5
R = 27
(RS-485), Figure 4
R = 50
(RS-422)
V
2
VOD2
Differential Driver Output
(with Load)
VFS = 0
CONDITIONS
535
fSWL
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
FS = VCC_ or open
725
fSWH
85
120
55
120
MAX1480EA,
DE
= VCC_ or open
145
130
Low
V
0.8
VSDL
MAX1480EC,
DE
= VCC_ or open
Shutdown Input Threshold
SD = VCC_
High
A
0.2
ISHDN
Shutdown Supply Current
(Note 3)
2.4
VSDH
120
65
125
High
Low
2.4
VFSH
V
0.8
VFSL
FS Input Threshold
DE
, DI, Figures 1 and 2
DE
, DI, Figures 1 and 2
V
VCC - 0.4
VIH
Input High Voltage
V
0.4
VIL
Input Low Voltage
FS low
FS high
A
50
FS Input Pullup Current
pA
10
FS Input Leakage Current
pA
10
Shutdown Input Leakage
Current
RL =
∞
RL = 54
RL =
∞
RL = 54
RL =
∞
MAX1490EB
RL = 54
TA = +25°C, f = 1MHz
pF
10
CISO
Isolation Capacitance
TA = +25°C, VISO = 50VDC
M
100
10,000
RISO
Isolation Resistance
kHz
Switch Frequency
mA
RL =
∞
RL = 54
130
180
MAX1490EA
180
V
8
VOD1
Differential Driver Output
(No Load)
TA = +25°C, 1min (Note 4)
VRMS
1260
VISO
Isolation Voltage
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| MAX1490EBEPG+ | 功能描述:RS-422/RS-485 接口 IC Isolated RS-485/422 Data Interface RoHS:否 制造商:Maxim Integrated 數據速率: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 |
| MAX1491CAI | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1491CAI+ | 功能描述:模數轉換器 - ADC 3.5 Digit ADC w/LCD Drivers RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1491CAI+T | 功能描述:模數轉換器 - ADC 3.5 Digit ADC w/LCD Drivers RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1491CAI-T | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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