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參數(shù)資料
| 型號： | LTC6102IMS |
| 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)： | 1/20頁 |
| 文件大小： | 257K |
| 代理商： | LTC6102IMS |
LTC6102/LTC6102HV
1
6102fa
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 almost any application,
while the low drift and offset ensure accuracy across a
wide range of operating conditions.
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/LTC6102HV ideal for a large array of applications
from automotive 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/LTC6102HV the perfect choice for load
current warnings and shutoff protection control.
The LTC6102/LTC6102HV are available in 8-lead MSOP
and 3mm × 3mm DFN packages.
n Supply Range:
4V to 60V, 70V Absolute Maximum (LTC6102)
5V to 100V, 105V Absolute 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 Available in 8-Lead MSOP and 3mm × 3mm
DFN Packages
n Current Shunt Measurement
n Battery Monitoring
n Remote Sensing
n Power Management
n Load Protection
n Motor Control
n Automotive Controls
Dynamic Range vs Maximum Power
Dissipation in RSENSE at 10A
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
LTC6102HV
ROUT
4.99k
RIN
20Ω
VOUT
V+
V–
OUT
–INS
–INF
+IN
VSENSE
1mΩ*
ILOAD
5V TO 105V
1μF
0.1μF
5V
L
O
A
D
–
+
–
+
VOUT =
VSENSE = 249.5VSENSE
ROUT
RIN
*PROPER SHUNT SELECTION COULD ALLOW
MONITORING OF CURRENTS IN EXCESS OF 1000A
VREG
DYNAMIC
RANGE
(dB)
MAXIMUM POWER DISSIPATION (W)
0.001
110
100
90
80
70
60
50
40
30
20
0.01
0.1
10
1
6102 TA01b
DYNAMIC RANGE RELATIVE
TO 10μV MINIMUM VSENSE
ISENSE = 10A
RSENSE = 100mΩ
Max VSENSE = 1V
RSENSE = 10μΩ
Max VSENSE = 100μV
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