Datasheet > ADuM1245ARSZ

ADuM1245ARSZ

更新时间： 2022-02-26 09:11:37

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	470K
描述
Micropower, Dual-Channel Digital Isolators

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ADuM1245ARSZ 数据手册

Data Sheet

ADuM1240/ADuM1241/ADuM1245/ADuM1246

Table 6.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

DC SPECIFICATIONS

Input Threshold

Logic High

V_IH

V_IL

0.7 V_DDx

Logic Low

0.3 V_DDx

Output Voltages

Logic High

V_OH

V_OL

I_I

V_DDx¹− 0.1

V_DDx¹− 0.4

2.5

2.35

0.0

0.1

+0.01

I_Ox= −20 µA, V_Ix= V_IxH

I_Ox= −4 mA, V_Ix= V_IxH

I_Ox= 20 µA, V_Ix= V_IxL

I_Ox= 4 mA, V_Ix= V_IxL

Logic Low

0.1

0.4

Input Current per Channel

Input Switching Thresholds

Positive Threshold Voltage

Negative Going Threshold

Input Hysteresis

Undervoltage Lockout, V_DD1or V_DD2

Supply Current per Channel

Quiescent Current

−1

µA

0 V ≤ V_Ix≤ V_DDx

V_T+

V_T−

ΔV_T

UVLO

1.5

1.0

0.5

1.5

Input Supply

Output Supply

Input (Refresh Off)

Output (Refresh Off)

Dynamic Supply Current

Input

I_{DDI (Q)}

I_{DDO (Q)}

I_{DDI (Q)}

I_{DDO (Q)}

2.6

0.5

0.05

3.75

µA

EN_Xlow

EN_Xhigh

I_{DDI (D)}

I_{DDO (D)}

µA/Mbps

Output

AC SPECIFICATIONS

Output Rise Time/Fall Time

Common-Mode Transient Immunity²

t_R/t_F

|CM|

kV/µs

10% to 90%

V_Ix= V_DDx¹, V_CM= 1000 V,

transient magnitude = 800 V

Refresh Rate

f_r

kbps

¹V_DDx= V_DD1or V_DD2

²|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining V_OUT> 0.8 V_DDx. The common-mode voltage slew rates apply to both rising and

falling common-mode voltage edges.

Rev. A | Page 5 of 24

1 2 3 456 7 8...24

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