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參數(shù)資料
| 型號： | MAX1490EBCPG+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/19頁 |
| 文件大小： | 0K |
| 描述： | IC RS485/RS422 DATA INTRFC 24DIP |
| 產(chǎn)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(qū)動器/接收器數(shù)： | 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(chǎn)品目錄頁面： | 1403 (CN2011-ZH PDF) |
MAX1480E/MAX1490E
±15kV ESD-Protected, Isolated RS-485/RS-422
Data Interfaces
14
______________________________________________________________________________________
cuits over the entire common-mode range (see Typical
Operating Characteristics). In addition, a thermal shut-
down circuit forces the driver outputs into a high-im
pedance state if the die temperature rises excessively.
Propagation Delay Skew
Propagation delay skew is the difference between the
low-to-high and high-to-low propagation delay. Small
driver/receiver skew times help reduce EMI and reflec-
tions by maintaining balanced differential signals.
Table 3. Transmitting
Table 4. Receiving
Table 5. Transmitting
Table 6. Receiving
1
X
INPUTS*
1
High-Z
OUTPUTS
0
High-Z
1
0
Figure 11. Driver Output Waveform and FFT Plot of
MAX1480EA/MAX1490EA Transmitting a 150kHz Signal
10dB/div
0
5MHz
500kHz/div
Figure 12. Driver Output Waveform and FFT Plot of
MAX1480EC/ MAX1490EB Transmitting a 150kHz Signal
10dB/div
0
5MHz
500kHz/div
_____________________Function Tables
Half-Duplex Devices
(MAX1480EA/MAX1480EC)
Full-Duplex Devices
(MAX1490EA/MAX1490EB)
DI
A
B
DE
0
1
≥ +0.2V
Open
INPUTS*
0
VA - VB
OUTPUT
(RO)
DE
≤ -0.2V
1
0
1
Z
Y
1
0
1
OUTPUT
(RO)
0
≤ -0.2V
≥ +0.2V
Open
INPUT
(VA - VB)
X = Don’t care; High-Z = High impedance
* For DE
and DI pin descriptions, see Detailed Block Diagram
and Typical Application Circuit (Figure 1 for MAX1480EA/
MAX1480EC, Figure 2 for MAX1490EA/MAX1490EB).
OUTPUTS
INPUT
*
(DI
)
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| MAX1490EBCPG+ | 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(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 |
| MAX1490EBEPG | 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 |
| 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(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 |
| MAX1491CAI | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)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(shù)轉(zhuǎn)換器 - ADC 3.5 Digit ADC w/LCD Drivers RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)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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