參數(shù)資料
型號: ADM2486BRW-REEL
廠商: ANALOG DEVICES INC
元件分類: 通用總線功能
英文描述: High Speed, Half-Duplex iCoupler Isolated RS-485 Transceiver
中文描述: LINE TRANSCEIVER, PDSO16
封裝: MS013AA, SOIC-16
文件頁數(shù): 2/20頁
文件大?。?/td> 294K
代理商: ADM2486BRW-REEL
ADM2486
Rev. C | Page 10 of 20
TEST CIRCUITS
04604-005
VOC
R
VOD
Figure 3. Driver Voltage Measurement
04604-006
60
VOD3
375
375
VTEST
Figure 4. Driver Voltage Measurement
VDD1
DE
150
GND1
A
B
VDD2
GND2
GALV
ANIC
IS
OLATION
04604-004
VDD2
195
110
195
GND2
RTS
TxD
RxD
RE
Figure 5. Supply-Current Measurement Test Circuit
VDD1
DE
GND1
A
B
VDD2
GND2
GA
LVA
N
IC
ISOLA
TION
04604-
010
50
110nF
50
VTEST2
RTS
TxD
RxD
GND2
2.2k
100nF
VCM(HF)
470nF
22k
FTEST,
VHF
RECEIVE
ENABLE
195
110
195
VDD2
GND2
Figure 6. High Frequency Common-Mode Noise Test Circuit
04604-007
CL2
CL1
RLDIFF
A
B
Figure 7. Driver Propagation Delay
VDD1
DE
GND1
A
B
VDD2
GND2
GALV
ANIC
IS
OLATION
04604-008
RTS
TxD
RxD
RE
150
50pF
Figure 8. RTS-to-DE Propagation Delay
04604-009
VCC
S2
VOUT
110
50pF
S1
B
A
TxD
RTS
Figure 9. Driver Enable/Disable
04604-012
CL
VOUT
RE
A
B
Figure 10. Receiver Propagation Delay
04604-013
VCC
S2
VOUT
RL
CL
+1.5V
–1.5V
S1
RE
RE IN
Figure 11. Receiver Enable/Disable
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