參數(shù)資料
型號(hào): ADM3085
廠商: Analog Devices, Inc.
英文描述: High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
中文描述: 高速(高達(dá)10Mbps),失效保護(hù),RS-485/RS-422收發(fā)器的擺率限制和5kV的ESD保護(hù)
文件頁(yè)數(shù): 7/14頁(yè)
文件大?。?/td> 316K
代理商: ADM3085
ADM3082/ADM3085/ADM3088
–7–
PRELIMINARY TECHNICAL DATA
ADM3082/ADM3085/ADM3088 TEST CIRCUITS AND TIMING
R
R
V
OD
V
OC
Y
Z
Figure 1. Driver DC Load Test Circuit
R
DIFF
V
OD2
C
L1
C
L2
3V
DE
DI
Figure 2. Test Load for Driver Timing Tests
DI
Z
Y
V
0
/2
V
0
t
DF
V
DIFF
V
0
0
-V
0
90%
10%
t
DR
90%
10%
t
SKEW
= |t
DPLH
-t
DPHL
|
5V
0V
1.5V
t
DPLH
t
DPHL
V
DIFF
= V
Y
- V
Z
Figure 3. Driver Propagation Delays
RO
A
B
1V
-1V
V
OH
V
OL
1.5V
t
RPLH
t
RPHL
Figure 4. Receiver Propagation Delays
V
CC
S1
S2
TEST
POINT
C
RL
15pF
500
V
OUTPUT
UNDER
TEST
Figure 5. Test Load for Driver Enable/Disable Time Test
5V
0V
DE
Y, Z
V
OL
Y, Z
t
DZL(SHDN)
, t
DZL
t
DLZ
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
1.5V
2.3V
V
OL
+0.5V
V
OH
-0.5V
V
OL
t
DZH(SHDN)
t
DZH
t
DHZ
2.3V
Figure 6. Driver Enable and Disable Times
RO
TEST
POINT
V
CC
1k
V
1k
V
S1
S2
C
RL
15pF
Figure 7. Test Load for Receiver Enable/Disable Time Test
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
5V
0V
RE
RO
RO
t
RZL(SHDN)
, t
RZL
t
RLZ
1.5V
V
OL
+0.5V
V
OH
-0.5V
0V
t
RZH(SHDN)
, t
RZH
t
RHZ
1.5V
V
CC
1.5V
Figure 8. Receiver Enable and Disable Delay Times
REV. PrA 02/02
相關(guān)PDF資料
PDF描述
ADM3085AN High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
ADM3085AR High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
ADM3085JN High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
ADM3085JR High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
ADM3088AN High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADM3085AN 制造商:AD 制造商全稱:Analog Devices 功能描述:High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
ADM3085AR 制造商:AD 制造商全稱:Analog Devices 功能描述:High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
ADM3085JN 制造商:AD 制造商全稱:Analog Devices 功能描述:High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
ADM3085JR 制造商:AD 制造商全稱:Analog Devices 功能描述:High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection
ADM3088 制造商:AD 制造商全稱:Analog Devices 功能描述:High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection