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參數資料
| 型號： | ADUM1201CRZ-RL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | Dual-Channel Digital Isolators |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | ROHS COMPLIANT, MS-012AA, SOIC-8 |
| 文件頁數： | 16/20頁 |
| 文件大小： | 704K |
| 代理商： | ADUM1201CRZ-RL7 |
ADuM1200/ADuM1201
Rev. B | Page 16 of 20
MAGNETIC FIELD FREQUENCY (Hz)
M
1000
100
10
1
0.1
0.01
1k
10k
100M
100k
1M
10M
DISTANCE = 5mm
DISTANCE = 1m
DISTANCE = 100mm
0
Figure 14. Maximum Allowable Current for Various
Current-to-ADuM120x Spacings
Note that at combinations of strong magnetic fields and high
frequencies, any loops formed by printed circuit board traces
could induce sufficiently large error voltages to trigger the
threshold of succeeding circuitry. Care should be taken in the
layout of such traces to avoid this possibility.
POWER CONSUMPTION
The supply current at a given channel of the ADuM120x
isolator is a function of the supply voltage, the channel’s data
rate, and the channel’s output load.
For each input channel, the supply current is given by
I
DDI
= I
DDI
(
Q
)
f
≤ 0.5
f
r
I
DDI
= I
DDI
(
D
)
× (2
f – f
r
) +
I
DDI (Q)
f > 0.5
f
r
for each output channel, the supply current is given by
I
DDO
= I
DDO
(
Q
)
f
≤ 0.5
f
r
I
DDO
= (
I
DDO
(
D
)
+ (0.5 × 10
3
) ×
C
L
V
DDO
) × (2
f – f
r
) +
I
DDO
(
Q
)
f
> 0.5
f
r
where:
I
DDI (D)
,
I
DDO (D)
are the input and output dynamic supply currents
per channel (mA/Mbps).
C
L
is the output load capacitance (pF).
V
DDO
is the output supply voltage (V).
f
is the input logic signal frequency (MHz, half of the input data
rate, NRZ signaling).
f
r
is the input stage refresh rate (Mbps).
I
DDI (Q)
,
I
DDO (Q)
are the specified input and output quiescent
supply currents (mA).
To calculate the total I
DD1
and I
DD2
supply current, the supply
currents for each input and output channel corresponding to
I
DD1
and I
DD2
are calculated and totaled. Figure 6 and Figure 7
provide per-channel supply currents as a function of data rate
for an unloaded output condition. Figure 8 provides per-
channel supply current as a function of data rate for a 15 pF
output condition. Figure 9 through Figure 11 provide total I
DD1
and I
DD2
supply current as a function of data rate for
ADuM1200 and ADuM1201 channel configurations.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADUM1201WSRZ | 功能描述:IC ISOLATOR DIG 2CH 125C 8SOIC 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 |
| ADUM1201WSRZ33 | 功能描述:DGTL ISO 2.5KV GEN PURP 8SOIC 制造商:analog devices inc. 系列:* 零件狀態:上次購買時間 標準包裝:98 |
| ADUM1201WSRZ33-RL7 | 功能描述:DGTL ISO 2.5KV GEN PURP 8SOIC 制造商:analog devices inc. 系列:* 零件狀態:上次購買時間 標準包裝:1 |
| ADUM1201WSRZ35 | 功能描述:DGTL ISO 2.5KV GEN PURP 8SOIC 制造商:analog devices inc. 系列:* 零件狀態:上次購買時間 標準包裝:98 |
| ADUM1201WSRZ35-RL7 | 功能描述:DGTL ISO 2.5KV GEN PURP 8SOIC 制造商:analog devices inc. 系列:* 零件狀態:上次購買時間 標準包裝:1 |
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