LTC6102
LTC6102-1/LTC6102HV
Precision Zero Drift
Current Sense Amplifier
Fea T Descrip T
n
Supply Range:
The LTC 6102/LTC6102HV are versatile, high voltage, high-
4V to 60V, 70V Maximum (LTC6102)
side current sense amplifiers. Their high supply voltage
5V to 100V, 105V Maximum (LTC6102HV)
rating allows their use in many high side applications,
n
10V Input Offset Maximum
while the low drift and offset ensure accuracy across a
n
50nV/C Input Offset Drift Maximum
wide range of operating conditions. The LTC6102-1 is a
n
Fast Response: 1s Step Response
version of the LTC6102 that includes a low power disable
n
Gain Configurable with Two Resistors
mode to conserve system standby power.
n
Low Input Bias Current: 3nA Maximum
The LTC6102/LTC6102HV monitor current via the voltage
n
PSRR 130dB Minimum
across an external sense resistor (shunt resistor). Internal
n
Output Currents up to 1mA
circuitry converts input voltage to output current, allowing
n
Operating Temperature Range: 40C to 125C
a small sense signal on a large common mode voltage to
n
Disable Mode (LTC6102-1 Only): 1A Maximum
be translated to a ground-referred signal. Low DC offset
n
Available in 8-Lead MSOP and 3mm 3mm
allows the use of very low shunt resistor values and large
DFN Packages
gain-setting resistors. As a result, power loss in the shunt
is reduced.
a T
The wide operating supply and high accuracy make the
n LTC6102 ideal for a large array of applications, from auto-
Current Shunt Measurement
n motive, to industrial and power management. A maximum
Battery Monitoring
n input sense voltage of 2V allows a wide range of currents
Remote Sensing
n and voltages to be monitored. Fast response makes the
Load Protection
n LTC6102 the perfect choice for load current warnings and
Motor Control
n shutoff protection control.
Automotive Controls
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
All versions of the LTC6102 are available in 8-lead MSOP
Technology Corporation. All other trademarks are the property of their respective owners.
and 3mm 3mm DFN packages.
Typical a T
10A Current Sense with 10mA Resolution and 100mW
Dynamic Current
Maximum Dissipation
Measurement Range
110
+
R R = 100m
IN SENSE
V
SENSE
100
20 Max V = 1V
SENSE
1m
+IN INS
90
+
INF
80
L
+ +
R = 10m
V V 70 SENSE
5V TO O
Max V = 100V
A SENSE
105V
0.1F 60
D 5V 1F
V
REG
50
DYNAMIC RANGE RELATIVE
TO 10V OFFSET VOLTAGE
V 40
OUT
OUT
LTC6102
30
LTC2433-1 TO P
20
R
OUT
0.0001 0.001 0.01 0.1 1
4.99k
MAXIMUM SENSE VOLTAGE (V)
6102 TA01b
6102 TA01
R
OUT
V = V = 249.5V *PROPER SHUNT SELECTION COULD ALLOW
OUT SENSE SENSE
R
IN
MONITORING OF CURRENTS IN EXCESS OF 1000A
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DYNAMIC RANGE (dB)
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ion uresLTC6102
LTC6102-1/LTC6102HV
a Te Maxi Mu M r a T (Note 1)
+
Total Supply Voltage (V to V ): Output Current .......................................(1mA, +10mA)
LTC6102/LTC6102-1 .............................................70V Output Short Circuit Duration........................... Indefinite
LTC6102HV .........................................................105V Operating Temperature Range: (Note 2)
Input Voltage Range LTC6102C/LTC6102C-1/LTC6102HVC .. 40C to 85C
+ +
INF, INS ................................ (V 4V to V + 0.3V) LTC6102I/LTC6102I-1/LTC6102HVI ...... 40C to 85C
+ +
+IN ............................................ (V 20V to V + 1V) LTC6102H/LTC6102H-1
EN ............................................ (V 0.3V to V + 9V) LTC6102HVH...................................... 40C to 125C
Differential (INS +IN), 1 Second ......................60V Specified Temperature Range: (Note 2)
Output Voltage Range LTC6102C/LTC6102C-1/LTC6102HVC ...... 0C to 70C
LTC6102/LTC6102HV ............... (V 0.3V to V + 9V) LTC6102I/LTC6102I-1/LTC6102HVI ...... 40C to 85C
LTC6102-1 ............................. (V 0.3V to V + 15V) LTC6102H/LTC6102H-1
Input Current LTC6102HVH...................................... 40C to 125C
INF, INS ........................................................10mA Storage Temperature Range ................... 65C to 150C
+IN ...................................................................10mA
EN ....................................................................10mA
p in c F T
TOP VIEW
TOP VIEW
INS 1 8 +IN
+ INS 1 8 +IN
INF 2 7 V
+
INF 2 7 V
9
V /EN* 3 6 V
REG V /EN* 3 6 V
REG
OUT 4 5 V
OUT 4 5 V
MS8 PACKAGE
8-LEAD PLASTIC MSOP
DD PACKAGE
T = 150C, = 200C/W
8-LEAD (3mm 3mm) PLASTIC DFN JMAX JA
*V FOR THE LTC6102/LTC6102HV, EN FOR THE LTC6102-1
T = 150C, = 43C/W
JMAX JA
EXPOSED PAD (PIN 9) IS V , MUST BE SOLDERED TO PCB
*V FOR THE LTC6102/LTC6102HV, EN FOR THE LTC6102-1
Der in F Ma T
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LTC6102CDD#PBF LTC6102CDD#TRPBF LCKH 8-Lead (3mm 3mm) Plastic DFN 0C to 70C
LTC6102IDD#PBF LTC6102IDD#TRPBF LCKH 8-Lead (3mm 3mm) Plastic DFN 40C to 85C
LTC6102HDD#PBF LTC6102HDD#TRPBF LCKH 8-Lead (3mm 3mm) Plastic DFN 40C to 125C
LTC6102CDD-1#PBF LTC6102CDD-1#TRPBF LDYB 8-Lead (3mm 3mm) Plastic DFN 0C to 70C
LTC6102IDD-1#PBF LTC6102IDD-1#TRPBF LDYB 8-Lead (3mm 3mm) Plastic DFN 40C to 85C
LTC6102HDD-1#PBF LTC6102HDD-1#TRPBF LDYB 8-Lead (3mm 3mm) Plastic DFN 40C to 125C
LTC6102HVCDD#PBF LTC6102HVCDD#TRPBF LCVC 8-Lead (3mm 3mm) Plastic DFN 0C to 70C
LTC6102HVIDD#PBF LTC6102HVIDD#TRPBF LCVC 8-Lead (3mm 3mm) Plastic DFN 40C to 85C
LTC6102HVHDD#PBF LTC6102HVHDD#TRPBF LCVC 8-Lead (3mm 3mm) Plastic DFN 40C to 125C
LTC6102CMS8#PBF LTC6102CMS8#TRPBF LTCKJ 8-Lead Plastic MSOP 0C to 70C
LTC6102IMS8#PBF LTC6102IMS8#TRPBF LTCKJ 8-Lead Plastic MSOP 40C to 85C
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