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參數(shù)資料
| 型號： | LTC6102IMS8-1#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 277K |
| 代理商： | LTC6102IMS8-1#TR |
LTC6102
LTC6102-1/LTC6102HV
1
6102fc
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Precision Zero Drift
Current Sense Amplier
The LTC6102/LTC6102HV are versatile, high voltage, high-
side current sense ampliers. Their high supply voltage
rating allows their use in many high side applications,
while the low drift and offset ensure accuracy across a
wide range of operating conditions. The LTC6102-1 is a
version of the LTC6102 that includes a low power disable
mode to conserve system standby power.
The LTC6102/LTC6102HV monitor current via the voltage
across an external sense resistor (shunt resistor). Internal
circuitry converts input voltage to output current, allowing
a small sense signal on a large common mode voltage to
be translated to a ground-referred signal. Low DC offset
allows the use of very low shunt resistor values and large
gain-setting resistors. As a result, power loss in the shunt
is reduced.
The wide operating supply and high accuracy make the
LTC6102 ideal for a large array of applications, from auto-
motive, to industrial and power management. A maximum
input sense voltage of 2V allows a wide range of currents
and voltages to be monitored. Fast response makes the
LTC6102 the perfect choice for load current warnings and
shutoff protection control.
All versions of the LTC6102 are available in 8-lead MSOP
and 3mm
× 3mm DFN packages.
n Supply Range:
4V to 60V, 70V Maximum (LTC6102)
5V to 100V, 105V Maximum (LTC6102HV)
n ±10μV Input Offset Maximum
n ±50nV/°C Input Offset Drift Maximum
n Fast Response: 1μs Step Response
n Gain Congurable with Two Resistors
n Low Input Bias Current: 3nA Maximum
n PSRR 130dB Minimum
n Output Currents up to 1mA
n Operating Temperature Range: –40°C to 125°C
n Disable Mode (LTC6102-1 Only): 1μA Maximum
n Available in 8-Lead MSOP and 3mm
× 3mm
DFN Packages
n Current Shunt Measurement
n Battery Monitoring
n Remote Sensing
n Load Protection
n Motor Control
n Automotive Controls
Dynamic Current
Measurement Range
10A Current Sense with 10mA Resolution and 100mW
Maximum Dissipation
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TO μP
6102 TA01
LTC2433-1
ROUT
4.99k
VOUT
1μF
5V
L
O
A
D
VOUT =
VSENSE = 249.5VSENSE
ROUT
RIN
*PROPER SHUNT SELECTION COULD ALLOW
MONITORING OF CURRENTS IN EXCESS OF 1000A
LTC6102
RIN
20Ω
VSENSE
1mΩ
5V TO
105V
V+
V–
OUT
+IN
+
–
–INF
–INS
VREG
0.1μF
–
+
DYNAMIC
RANGE
(dB)
MAXIMUM SENSE VOLTAGE (V)
0.0001
110
100
90
80
70
60
50
40
30
20
0.001
0.01
1
0.1
6102 TA01b
DYNAMIC RANGE RELATIVE
TO 10μV OFFSET VOLTAGE
RSENSE = 100mΩ
Max VSENSE = 1V
RSENSE = 10mΩ
Max VSENSE = 100μV
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