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ZXCT1023
MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR
 
ZXCT1023 
Document number: DS31997 Rev. 3 - 2 
2 of 8
www.diodes.com
June 2011
?Diodes Incorporated 
 
Pin Descriptions
 
Pin Name
Pin Number
Description
1
OUT
Voltage output. The output voltage is referenced to GND.
The overall voltage gain is 50, i.e.,
V
OUT
 = 50 x V
SENSE
 where V
SENSE
 = V
S+
 - V
S-
 
2
GND
Ground and substrate connection of device
3
S-
High impedence negative sense voltage input
4
S+
Positive sense input. Also acts as power supply pin to ZXCT1023
 
Central Paddle     Substrate. Connect to GND
 
 
Absolute Maximum Ratings  
 
Description
Rating
Unit
Voltage on S+ (Note 1)
-0.5 to 20
V
Voltage on S- (Note 1, 2), OUT(Note 1)
-0.5 V
S+
+0.5
V
V
SENSE
(Note 3)
-0.5 to +2.5
V
Junction Temperature
-40 to 125
癈
Storage Temperature
-55 to 150
癈
 
Package Power Dissipation (T
A
 = 25癈)
  TDFN1218
 
mW
ESD Ratings
Human Body Model
2000
V
Machine Model
150
V
These are stress ratings only. Operation outside the absolute maximum ratings may cause device failure. Operation at the absolute
maximum rating for extended periods may reduce device reliability.
Semiconductor devices are ESD sensitive and may be damaged by exposure to ESD events. Suitable ESD precautions should be taken
when handling and transporting these devices.
Notes:
1. Measured with respect to GND pin
 
2. Subject to absolute maximum V
SENSE
 not being exceeded.
 
3. V
SENSE
 is defined as the voltage difference across the sense resistor, R
S
.
 
4. The usable V
SENSE
 range is limited by the output voltage range; and as such will be reduced at lower V
S+
 values.
 
 
Recommended Operating Conditions (T
A
= 25?/SPAN>C)   
 
Symbol 
Parameter 
Min 
Max 
Unit 
V
S+
(Note 1)
Common-Mode Sense Input Range
2.5
20
V
V
SENSE
 
Differential Sense Input Voltage Range
0
380
(Note 4)
mV
V
OUT
 
Output Voltage Range
0
V
S-
 - 1
V
T
A
 
Ambient Temperature Range
-40
85
癈
 
 
 
 
 
 
 
 
 
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