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參數(shù)資料
| 型號： | 5962-89877012C |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Buffer和線驅動 |
| 英文描述： | DUAL LINE TRANSCEIVER, CQCC20 |
| 封裝： | LCC-20 |
| 文件頁數(shù)： | 18/19頁 |
| 文件大小： | 1664K |
| 代理商： | 5962-89877012C |
MAX1480E/MAX1490E
±15kV ESD-Protected, Isolated RS-485/RS-422
Data Interfaces
8
_______________________________________________________________________________________
________________________________________________________________Pin Description
MAX1490EA/
MAX1490EB
MAX1480EA/
MAX1480EC
ISO RO LED
ISO COM2
ISO COM1
20
16
Isolated Common. For MAX1480EA/MAX1480EC, connect to ISO COM2 (pin
16) (Figures 1 and 2).
15
13
Isolated Receiver Output LED. Internal LED anode in MAX1480EA/MAX1480EC and
LED cathode in MAX1490EA/MAX1490EB. Connect to ISO RO DRV through a resis-
tor (Table 1 for MAX1480EA/MAX1480EC; Table 2 for MAX1490EA/MAX1490EB).
16
—
Isolated Common. Connect to ISO COM1 (pin 20).
ISO DE DRV
ISO VCC2
ISO DI DRV
17
—
Isolated Driver-Enable Drive. The driver outputs, A and B, are enabled by bringing
DE
high. The driver outputs are high impedance when DE is low. If the driver
outputs are enabled, the device functions as a line driver. While the driver outputs
are high impedance, the device functions as a line receiver. Open-collector out-
put; must have pullup to ISO VCC_ and be connected to ISO DE IN for normal
operation (Table 1).
18
14
Isolated Supply Voltage. Connect to ISO VCC1 (pin 26 for MAX1480EA/
MAX1480EC, or pin 22 for MAX1490EA/MAX1490EB).
19
15
Isolated Driver-Input Drive. With DE
high (MAX1480EA/MAX1480EC only), a low on
DI
forces output A low and output B high. Similarly, a high on DI forces output A
high and output B low. Connect to ISO DI IN (on the MAX1480EA/MAX1480EC only)
for normal operation. Open-collector output; connect a pullup resistor to ISO VCC_
(Table 1 for MAX1480EA/MAX1480EC, Table 2 for MAX1490EA/MAX1490EB).
DI
DE
RO
9
Driver Input. With DE
high (MAX1480EA/MAX1480EC only), a low on DI forces
output A low and output B high. Similarly, a high on DI
forces output A high and
output B low. Drives internal LED cathode through a resistor (see Table 1 for
MAX1480EA/MAX1480EC, Table 2 for MAX1490EA/MAX1490EB).
11
—
Driver-Enable Input. The driver outputs, A and B, are enabled by bringing DE
high. The driver outputs are high impedance when DE
is low. If the driver out-
puts are enabled, the device functions as a line driver. While the driver outputs
are high impedance, the device functions as a line receiver. Drives internal
LED cathode through a resistor (Table 1).
—
11
Receiver Output. If A > B by 200mV, RO is high; if A < B by 200mV, RO is low.
Open collector; must have pullup to VCC (Table 2).
GND2
VCC5
12
Logic-Side Ground. Connect to GND1 (pin 5).
14
—
Logic-Side (Nonisolated Side) +5V Supply Voltage
GND1
FS
SD
5
Logic-Side Ground. Connect to GND2 (pin 12).
6
Frequency Select Input. If FS = VCC_ or is open, switch frequency is high; if FS
= GND, switch frequency is low. For optimal performance and minimal supply
current, connect FS to VCC_ or leave unconnected.
7
Shutdown Input. Ground for normal operation. When high, the power oscillator is
disabled.
NAME
VCC1–VCC4
D1, D2
PIN
FUNCTION
1, 2, 8, 10
Logic-Side (Nonisolated Side) +5V Supply Voltages
3, 4
Internal Connections. Leave these pins unconnected.
RO
13
—
Receiver Output. If A > B by 200mV, RO is low; if A < B by 200mV, RO is high.
Open collector; must have pullup to VCC (Table 1).
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 5962-8987701EA | 功能描述:RS-232接口集成電路 5V Multi-Ch RS-232 Driver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| 5962-8987702RA | 功能描述:RS-232接口集成電路 5V Multi-Ch RS-232 Driver/Rcvr RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| 5962-8987703CA | 功能描述:RS-232接口集成電路 5V Multi-Ch RS-232 Driver/Rcvr RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| 5962-8987704EA | 功能描述:RS-232接口集成電路 5V Multi-Ch RS-232 Driver/Rcvr RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| 5962-8987705JA | 功能描述:RS-232接口集成電路 5V Multi-Ch RS-232 Driver/Rcvr RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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