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參數資料
| 型號： | ADM1485 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | +-5 V Low Power EIA RS-485 Transceiver |
| 中文描述： | -5 V低功耗環境影響評估的RS - 485收發器 |
| 文件頁數： | 4/8頁 |
| 文件大小： | 139K |
| 代理商： | ADM1485 |
ADM1485
Test Circuits
REV. A
–4–
V
OD
R
R
V
OC
Figure 1. Driver Voltage Measurement Test Circuit
V
OD3
60
375
375
V
TST
Figure 2. Driver Voltage Measurement Test Circuit 2
R
LDIFF
A
B
C
L1
C
L2
Figure 3. Driver Propagation Delay Test Circuit
DE
0V OR 3V
DE IN
A
B
S1
C
L
V
OUT
R
L
S2
V
CC
Figure 4. Driver Enable/Disable Test Circuit
RE
A
B
C
L
V
OUT
Figure 5. Receiver Propagation Delay Test Circuit
RE
+1.5V
RE
IN
S1
C
L
V
OUT
R
L
S2
V
CC
–1.5V
Figure 6. Receiver Enable/Disable Test Circuit
Switching Characteristics
3V
0V
B
A
0V
–
VO
VO
90% POINT
10% POINT
T
R
T
SKEW
1/2VO
T
PLH
1.5V
1.5V
T
PHL
T
SKEW
90% POINT
10% POINT
T
F
VO
Figure 7. Driver Propagation Delay, Rise/Fall Timing
DE
A, B
A, B
1.5V
2.3V
2.3V
T
ZH
T
ZL
1.5V
3V
0V
V
OL
V
OH
0V
V
OL
+0.5V
V
OH
–
0.5V
T
HZ
T
LZ
Figure 8. Driver Enable/Disable Timing
A, B
RO
0V
T
PLH
1.5V
0V
T
PHL
1.5V
V
OH
V
OL
Figure 9. Receiver Propagation Delay
RE
R
R
1.5V
1.5V
1.5V
T
ZH
T
ZL
1.5V
3V
0V
V
OL
V
OH
V
OL
+0.5V
V
OH
–
0.5V
T
HZ
T
LZ
O/P LOW
O/P HIGH
0V
Figure 10. Receiver Enable/Disable Timing
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| ADM1485AQ | +-5 V Low Power EIA RS-485 Transceiver |
| ADM1485AR | +-5 V Low Power EIA RS-485 Transceiver |
| ADM1485JN | +-5 V Low Power EIA RS-485 Transceiver |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM1485_12 | 制造商:AD 制造商全稱:Analog Devices 功能描述:5 V Low Power EIA RS-485 Transceiver |
| ADM1485AN | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:RS-485 HIGH SPEED I/F TX. - Bulk 制造商:Analog Devices 功能描述:Transceiver IC Transceiver Type:Differen |
| ADM1485ANZ | 功能描述:IC TXRX RS-485 HS 5V 8-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發器 驅動器/接收器數:1/1 規程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| ADM1485AQ | 制造商:AD 制造商全稱:Analog Devices 功能描述:+-5 V Low Power EIA RS-485 Transceiver |
| ADM1485AR | 制造商:Rochester Electronics LLC 功能描述:RS-485 HIGH SPEED I/F TX. - Bulk 制造商:Analog Devices 功能描述:BUS TRANSCEIVER RS485 1485 SOIC8 |
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