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參數資料
型號: ADUM1100UR-RL7
廠商: ANALOG DEVICES INC
元件分類: 通信及網絡
英文描述: iCoupler Digital Isolator
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO8
封裝: MS-012AA, SOIC-8
文件頁數: 11/16頁
文件大小: 167K
代理商: ADUM1100UR-RL7
REV. E
ADuM1100
–11–
INPUT RISE TIME (10%–90%, ns)
4
1
P
L
2
0
3
6
8
10
3
1
5V INPUT SIGNAL
2
4
5
7
9
3.3V INPUT SIGNAL
Figure 5. Typical Propagation Delay Change due to
Input Rise Time Variation (for V
DD1
= 3.3 V and 5 V)
INPUT RISE TIME (10%–90%, ns)
0
1
P
H
–2
–4
3
6
8
10
–1
–3
2
4
5
7
9
3.3V INPUT SIGNAL
5V INPUT SIGNAL
Figure 6. Typical Propagation Delay Change due to
Input Fall Time Variation (for V
DD1
= 3.3 V and 5 V)
The impact of the slower input edge rates can also affect the
measured pulse width distortion as based on the input 50% level.
This impact may either increase or decrease the apparent pulse
width distortion depending on the relative magnitudes of t
PHL
,
t
PLH
, and PWD. The case of interest here is the condition
that leads to the largest increase in pulse width distortion. The
change in this case is given by
PWD
PWD
PWD
=
=
(
where:
PWD
t
PLH
=
′ = ′
This adjustment in pulse width distortion is plotted as a func-
tion of input rise/fall time in Figure 7.
LH
HL
ITH L H
V
ITH H L
V
r
f
t
V V
for t
t
t
=
(
=
=
(
)
)
)
/0 8
,
t
PWD
t
t
PHL
PLH
PHL
INPUT RISE/FALL TIME (10%–90%, ns)
6
1
P
P
3
0
3
6
8
10
5
1
5V INPUT SIGNAL
2
4
5
7
9
3.3V INPUT SIGNAL
2
4
Figure 7. Typical Pulse Width Distortion Adjustment due
to Input Rise/Fall Time Variation (at V
DD1
= 3.3 V and 5 V)
Method of Operation, DC Correctness, and
Magnetic Field Immunity
Referring to the functional block diagram, the two coils act as a
pulse transformer. Positive and negative logic transitions at the
isolator input cause narrow (2 ns) pulses to be sent via the trans-
former to the decoder. The decoder is bistable and therefore
either set or reset by the pulses indicating input logic transitions.
In the absence of logic transitions at the input for more than 2
μ
s,
a periodic update pulse of the appropriate polarity is sent to ensure
dc correctness at the output. If the decoder receives none of
these update pulses for more than about 5
μ
s, the input side is
assumed to be unpowered or nonfunctional, in which case the
isolator output is forced to a logic high state by the watchdog
timer circuit.
The limitation on the ADuM1100’s magnetic field immunity is set
by the condition in which induced voltage in the transformer’s
receiving coil is sufficiently large to either falsely set or reset the
decoder. The analysis that follows defines the conditions under
which this may occur. The ADuM1100’s 3.3 V operating condi-
tion is examined because it represents the most susceptible mode
of operation.
The pulses at the transformer output are greater than 1.0 V in
amplitude. The decoder has sensing thresholds at about 0.5 V,
therefore establishing a 0.5 V margin in which induced voltages can
be tolerated. The induced voltage induced across the receiving
coil is given by
V
where:
β
= magnetic flux density (Gauss).
N
= number of turns in receiving coil.
r
n
= radius of
n
th turn in receiving coil (cm).
d
dt
r
n
N
n
=
(
)
=
/
;
, ,.... ,
β
π
Σ
2
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參數描述
ADUM1100URZ 功能描述:IC ISOLATOR DGTL COUPLER 8-SOIC RoHS:是 類別:隔離器 >> 數字隔離器 系列:iCoupler® 標準包裝:66 系列:iCoupler® 輸入 - 1 側/2 側:2/2 通道數:4 電源電壓:3.3V,5V 電壓 - 隔離:2500Vrms 數據速率:25Mbps 傳輸延遲:60ns 輸出類型:邏輯 封裝/外殼:20-SSOP(0.209",5.30mm 寬) 供應商設備封裝:20-SSOP 包裝:管件 工作溫度:-40°C ~ 105°C
ADUM1100URZ-RL7 功能描述:IC ISOLATOR DGTL COUPLER 8SOIC RoHS:是 類別:隔離器 >> 數字隔離器 系列:iCoupler® 產品培訓模塊:IsoLoop® Isolator 標準包裝:50 系列:IsoLoop® 輸入 - 1 側/2 側:5/0 通道數:5 電源電壓:3 V ~ 5.5 V 電壓 - 隔離:2500Vrms 數據速率:110Mbps 傳輸延遲:12ns 輸出類型:CMOS 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應商設備封裝:16-SOIC N 包裝:管件 工作溫度:-40°C ~ 85°C 其它名稱:390-1053-5
ADUM110N0BRZ 功能描述:General Purpose Digital Isolator 3000Vrms 1 Channel 150Mbps 75kV/μs CMTI 8-SOIC (0.154", 3.90mm Width) 制造商:analog devices inc. 系列:iCoupler? 包裝:管件 零件狀態:有效 技術:磁耦合 類型:通用 隔離式電源:無 通道數:1 輸入 - 輸入側 1/輸入側 2:1/0 通道類型:單向 電壓 - 隔離:3000Vrms 共模瞬態抗擾度(最小值):75kV/μs 數據速率:150Mbps 傳播延遲 tpLH / tpHL(最大值):13ns,13ns 脈寬失真(最大):3ns 上升/下降時間(典型值):2.5ns,2.5ns 電壓 - 電源:1.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 供應商器件封裝:8-SOIC 標準包裝:98
ADUM110N0BRZ-RL7 功能描述:General Purpose Digital Isolator 3000Vrms 1 Channel 150Mbps 75kV/μs CMTI 8-SOIC (0.154", 3.90mm Width) 制造商:analog devices inc. 系列:iCoupler? 包裝:帶卷(TR) 零件狀態:有效 技術:磁耦合 類型:通用 隔離式電源:無 通道數:1 輸入 - 輸入側 1/輸入側 2:1/0 通道類型:單向 電壓 - 隔離:3000Vrms 共模瞬態抗擾度(最小值):75kV/μs 數據速率:150Mbps 傳播延遲 tpLH / tpHL(最大值):13ns,13ns 脈寬失真(最大):3ns 上升/下降時間(典型值):2.5ns,2.5ns 電壓 - 電源:1.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 供應商器件封裝:8-SOIC 標準包裝:1,000
ADUM110N1BRZ 功能描述:General Purpose Digital Isolator 3000Vrms 1 Channel 150Mbps 75kV/μs CMTI 8-SOIC (0.154", 3.90mm Width) 制造商:analog devices inc. 系列:iCoupler? 包裝:管件 零件狀態:有效 技術:磁耦合 類型:通用 隔離式電源:無 通道數:1 輸入 - 輸入側 1/輸入側 2:1/0 通道類型:單向 電壓 - 隔離:3000Vrms 共模瞬態抗擾度(最小值):75kV/μs 數據速率:150Mbps 傳播延遲 tpLH / tpHL(最大值):13ns,13ns 脈寬失真(最大):3ns 上升/下降時間(典型值):2.5ns,2.5ns 電壓 - 電源:1.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 供應商器件封裝:8-SOIC 標準包裝:98
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