Datasheet
Table Of Contents
- Features
- Applications
- General Description
- Functional Block Diagrams
- Revision History
- Specifications- Electrical Characteristics—3.3 V Operation
- Electrical Characteristics—2.5 V Operation
- Electrical Characteristics—VDD1 = 3.3 V, VDD2 = 2.5 V Operation
- Electrical Characteristics—VDD1 = 2.5 V, VDD2 = 3.3 V Operation
- Package Characteristics
- Regulatory Information
- Insulation and Safety Related Specifications
- DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 Insulation Characteristics
- Intrinsic Safety
 
- Absolute Maximum Ratings
- Pin Configurations and Function Descriptions
- Typical Performance Characteristics
- Applications Information
- Outline Dimensions
ADuM1440/ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447  Data Sheet 
Rev. E | Page 4 of 25 
Table 3. For All Models 
Parameter  Symbol  Min  Typ  Max  Unit  Test Conditions/Comments 
DC SPECIFICATIONS             
Input Threshold             
Logic High   V
IH
  0.7 V
DDx
1
      V   
Logic Low   V
IL
      0.3 V
DDx
1
  V   
Output Voltages             
Logic High   V
OH
  V
DDx
1
 − 0.1  3.3    V  I
OUTx
 = −20 µA, V
Ix
 = V
IxH
    V
DDx
1
 − 0.4  3.1    V  I
OUTx
 = −4 mA, V
Ix
 = V
IxH
Logic Low   V
OL
    0.0  0.1  V  I
OUTx
 = 20 µA, V
Ix
 = V
IxL
      0.2  0.4  V  I
OUTx
 = 4 mA, V
Ix
 = V
IxL
Input Current per Channel  I
I
  −1  +0.01  +1  µA   0 V ≤ V
Ix 
≤ V
DDx
1
Input Switching Thresholds             
Positive Threshold Voltage  V
T+
    1.8    V   
Negative Going Threshold   V
T−
    1.2    V   
Input Hysteresis  ΔV
T
    0.6    V   
Undervoltage Lockout, V
DD1
 or V
DD2
  UVLO    1.5    V   
Supply Current per Channel 
Quiescent Current             
Input Supply   I
DDI (Q)
    4.8  10  µA  EN
X
 low 
Output Supply   I
DDO (Q)
    0.8  3.3  µA  EN
X
 low 
Input (Refresh Off )  I
DDI (Q)
    0.12    µA  EN
X
 high  
Output (Refresh Off) 
I
DDO (Q)
0.13 
µA 
EN
X
 high 
Dynamic Supply Current             
Input   I
DDI (D)
    88    µA/Mbps   
Output   I
DDO (D)
    60    µA/Mbps   
AC SPECIFICATIONS             
Output Rise Time/Fall Time  t
R
/t
F
    2    ns  10% to 90% 
Common-Mode Transient Immunity
2 
|CM|  25  40    kV/µs  V
Ix
 = V
DDx
1
, V
CM
 = 1000 V,  
transient magnitude = 800 V 
Refresh Rate  f
r
    14    kbps   
1
 V
DDx
 = V
DD1
 or 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.










