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ZXCT1082 PDF даташит

Спецификация ZXCT1082 изготовлена ​​​​«Diodes» и имеет функцию, называемую «PRECISION HIGH VOLTAGE HIGH-SIDE CURRENT MONITORS».

Детали детали

Номер произв ZXCT1082
Описание PRECISION HIGH VOLTAGE HIGH-SIDE CURRENT MONITORS
Производители Diodes
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ZXCT1082 Даташит, Описание, Даташиты
A Product Line of
Diodes Incorporated www.DataSheet4U.com
ZXCT1082/83/84/85/86/87
PRECISION HIGH VOLTAGE HIGH-SIDE CURRENT MONITORS
Description
The ZXCT1082 and ZXCT1083 are high side unipolar current
sense monitors. These devices eliminate the need to disrupt
the ground plane when sensing a load current.
The ZXCT1082/1084/1086 have 60V maximum operating
voltage and ZXCT1083/1085/1087 have 40V maximum
operating voltage.
The wide common-mode input voltage range and low
quiescent currents coupled with SOT25 packages make them
suitable for a range of applications; including automotive and
systems operating from industrial 24-28V rails.
Their quiescent current is only 0.6µA thereby minimizing
current sensing error.
The ZXCT1082 and ZXCT1083 use three external
transconductance/gain setting resistors which increase
versatility by permitting wide gain ranges and optimization of
bandwidths.
The ZXCT1084/5/6/7 are fixed gain voltage output
counterparts of the ZXCT1082/3.
Features
Wide supply and common-mode voltage range
o 2.7V to 60V
ZXCT1082/84/86
o 2.7V to 40V
ZXCT1083/85/87
Independent supply and input common-mode voltage
Low quiescent current (0.6µA).
Extended industrial temperate range -40 to 125°C
Package SOT25
Applications
Automotive current measurement
Industrial applications current measurement
Battery management
Over current monitor
Power Management
Current sources
Pin Assignments
OUT 1
GND 2
S+ 3
  5 VCC
4 S-
Typical Application Circuits
RSENSE
VSUPPLY
S+
S-
ZXCT1084/1085
VCC ZXCT1086/1087
GND
OUT
VLOAD
Load
ZXCT1084/85:
ZXCT1086/87:
VOUT = 25 x VSENSE
VOUT = 50 x VSENSE
VSUPPLY
RSENSE
RGT RGT
S+ S-
VCC ZXCT1082/1083
GND
OUT
RG
VLOAD
Load
ZXCT1082/83: VOUT = VSENSE * RG
RGT
ZXCT1082/83/84/85/86/87
Document number: DS32162 Rev. 1 - 2
1 of 13
www.diodes.com
May 2010
© Diodes Incorporated









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ZXCT1082 Даташит, Описание, Даташиты
A Product Line of
Diodes Incorporated www.DataSheet4U.com
ZXCT1082/83/84/85/86/87
Pin Description
PIN Name
Common
Description
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
An external resistor, RGT, should
be connected from S+ to the input
current through this pin varies with side (VSUPPLY) of the sense
Should be directly connected to
the input side (VSUPPLY) of the
sense resistor.
differential sense voltage.
resistor
This is the negative input of the An external resistor, RGT, should Should be directly connected to
4 S- current monitor. It has a wide be connected from S- to the load the load side (VLOAD) of the sense
common-mode input range.
side (VLOAD) of the sense resistor. resistor.
5 VCC 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 VCC
ZXCT1082, ZXCT1084, ZXCT1086
ZXCT1083, ZXCT1085, ZXCT1087
Voltage on OUT
Differential Input Voltage, VS+ - VS-
Input current into S+ or S- (†)
-0.3 to 65
-0.3 to 45
-0.3 to VS-
±800
±12
V
V
mV
mA
Storage Temperature
-55 to 150
°C
Maximum Junction Temperature
Package Power Dissipation
ESD Rating
Human Body Model
Machine Model
150
300 at TA = 25°C
(De-rate to zero at 150°C)
2
200
°C
mW
kV
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, VS+ - VS- may be exceeded provided that the input current limit into S+ or S- is not exceeded
Recommended Operating Conditions
Symbol
VIN
VCC
VSENSE
Parameter
ZXCT1083/1085/1087 Common-Mode Input Range
ZXCT1082/1084/1086 Common-Mode Input Range
ZXCT1083/1085/1087 Supply Voltage Range
ZXCT1082/1084/1086 Supply Voltage Range
Differential Sense Input Voltage Range
Min
2.7
2.7
2.7
2.7
0
Max
40
60
40
60
0.5
VOUT
TA
Ouput Voltage Range
Ambient Temperature Range
0 VS- -1
-40 125
Units
V
V
V
V
°C
ZXCT1082/83/84/85/86/87
Document number: DS32162 Rev. 1 - 2
2 of 13
www.diodes.com
May 2010
© Diodes Incorporated









No Preview Available !

ZXCT1082 Даташит, Описание, Даташиты
A Product Line of
Diodes Incorporated www.DataSheet4U.com
ZXCT1082/83/84/85/86/87
Electrical Characteristics Test Conditions TA = 25°C, VS+ = 12V, VCC = 5 V, VSENSE1 = 100mV, ZXCT1082/3 RGT = 5k,
RG = 125k; unless otherwise stated. (FT = -40°C to +125°C)
Symbol
Input
Parameter
Conditions
IS+ S+ input current
IS- S- input current
VSENSE1 = 0mV
ISO
VIO
Output
GT
GT-ERR
GT-TC
ZOUT
SENSE input offset current VSENSE = -5mV
VSENSE = 0mV
Input Offset Voltage2
ZXCT1082/3/4/5
ZXCT1086/87
Temperature co-efficient
Transconductance
Transconductance error4
Transconductance
temperature co-efficient
Output impedance
ZXCT1082/3
VSENSE1 =
10mV 3 to 150mV
ZXCT1082/3
GV Gain
GV-ERR Gain error4
GV-TC
ZOUT
Voltage gain temperature
co-efficient
Output impedance
ZXCT1084/5/6/7
VSENSE1 =
10mV to 150mV
ZXCT1084/5/6/7
TA = FT
TA = FT
ZXCT1082/3
TA = FT
TA = FT
TA = FT
TA = FT
1084/5
1086/7
TA = FT
TA = FT
Output relative to common ZXCT1082/3
VOUTH mode, VS-
ZXCT1084/5/6/7
AC characteristics
BW
-3dB Small Signal
Bandwidth
VSENSE1 (AC) = 10mVPP
G = 25
G = 50
ts(0.1%)
iN-OUT
Settling time (0.1%)
Output noise current
density
Total output noise current
VSENSE = 50mV to 300mV G = 25
step
VSENSE = 50mV to 200mV G = 50
step
f = 1kHz
f = 10kHz
ZXCT1082/3
f = 0.1Hz to 100kHz
Output noise voltage
density
vN-OUT
f = 1kHz
f = 10kHz
ZXCT1084/5
ZXCT1086/7
ZXCT1084/5
ZXCT1086/7
Total output noise voltage f = 0.1Hz to 100kHz
ZXCT1084/5
ZXCT1086/7
Min.
Typ.
1.7
1.7
±0.2
±4
200
-1
-2
10
1¦¦5
25
50
-1
-2
100
VLOAD - 1
VS- - 1
125
VLOAD
- 0.8
VS- - 0.8
500
200
5
7
12
10
3
1.5
2.9
1.2
2.3
390
730
Max.
5
5
±1
±2.5
±3
+1
+2
+1
+2
Units
µA
µA
µA
mV
µV/K
µA/V
%
nA/K
G¦¦pF
V/V
%
ppm/K
k
V
kHz
µs
pA/Hz
nARMS
µV/Hz
µVRMS
Notes:
1. For the ZXCT1082/83 VSENSE = “VSUPPLY” – “VLOAD“ where VLOAD is the load voltage or the lower potential side of the sense resistor.
For the ZXCT1083/84/85/86 VSENSE = “VS+” – “VS-
2. VIO is extrapolated from measurements for the gain-error test.
3. For VSENSE > 10mV, the internal voltage-current converter is fully linear. This enables a true offset to be defined and used.
4. Gain or transconductance error is calculated by applying two values of VSENSE and calculating the error of the slope vs. the ideal.
ZXCT1082/83/84/85/86/87
Document number: DS32162 Rev. 1 - 2
3 of 13
www.diodes.com
May 2010
© Diodes Incorporated










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