ZXCT1082/83/84/85/86/87
ZXCT1082/83/84/85/86/87  
Document number: DS32162 Rev. 2 - 2 
2 of 13
www.diodes.com
June 2011
?Diodes Incorporated 
 Product Line of
Diodes Incorporated
 
Pin Description 
PIN
Name
Description
Common
ZXCT1082/3
ZXCT1084/5/6/7
1
OUT    Output pin.
Current output.
Voltage output
2
GND    Ground pin.
3
S+
This is the positive input of the
current monitor. It has a wide
common-mode input range. The
current through this pin varies with
differential sense voltage.
An external resistor, R
GT
, should
be connected from S+ to the input
side (V
SUPPLY
) of the sense
resistor
Should be directly connected to
the input side (V
SUPPLY
) of the
sense resistor.
4
S-
This is the negative input of the
current monitor. It has a wide
common-mode input range.
An external resistor, R
GT
, should
be connected from S- to the load
side (V
LOAD
) of the sense resistor.
Should be directly connected to
the load side (V
LOAD
) of the sense
resistor.
5
V
CC
 
This is the analogue supply and provides power to internal circuitry.
 
 
Absolute Maximum Ratings 
Parameter
Rating
Unit
Voltage on S- and S+
  ZXCT1082, ZXCT1084, ZXCT1086
  ZXCT1083, ZXCT1085, ZXCT1087
 
-0.3 to 65
-0.3 to 45
V
Voltage on V
CC
  ZXCT1082, ZXCT1084, ZXCT1086
  ZXCT1083, ZXCT1085, ZXCT1087
 
-0.3 to 65
-0.3 to 45
V
Voltage on OUT
-0.3 to V
S-
 
V
Differential Input Voltage, V
S+
 - V
S-
 
?00
mV
Input current into S+ or S-
( )
 
?2
mA
Storage Temperature
-55 to 150
Maximum Junction Temperature
150
Package Power Dissipation
300 at T
A
 = 25癈
(De-rate to zero at 150癈)
mW
ESD Rating
Human Body Model
2
kV
Machine Model
200
V
Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings, for
extended periods, may reduce device reliability.
( )
 
The differential input voltage limit, V
S+
 - V
S-
 may be exceeded provided that the input current limit into S+ or S- is not exceeded 
 
Recommended Operating Conditions 
Symbol
Parameter
Min
Max
Units
V
IN
 
ZXCT1083/1085/1087 Common-Mode Input Range
ZXCT1082/1084/1086 Common-Mode Input Range
2.7
2.7
40
60
V
V
CC
 
ZXCT1083/1085/1087 Supply Voltage Range
ZXCT1082/1084/1086 Supply Voltage Range
2.7
2.7
40
60
V
V
SENSE
 
Differential Sense Input Voltage Range
0
0.5
V
V
OUT
 
Output Voltage Range
0
V
S-
 -1
V
T
A
 
Ambient Temperature Range
-40
125
 
 
 
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