参数资料
| 型号： | LTC6104IMS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC AMP CURRENT SENSE 8-MSOP |
| 标准包装： | 2,500 |
| 放大器类型： | 电流检测 |
| 电路数： | 1 |
| 增益带宽积： | 200kHz |
| 电流 - 输入偏压： | 100nA |
| 电压 - 输入偏移： | 85µV |
| 电流 - 电源： | 640µA |
| 电流 - 输出 / 通道： | 1mA |
| 电压 - 电源，单路/双路(±)： | 4 V ~ 60 V，±2 V ~ 30 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
LTC6104
1
6104f
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
High Voltage, High Side,
Bi-Directional Current
Sense Amplier
The LTC
6104 is a versatile, high voltage, high side, bi-
directional current sense amplier. Design exibility is
provided by the excellent device characteristics: ±450V
maximum offset and only 520A of current consumption
(typical at 12V). The LTC6104 operates on supplies from
4V to 60V.
The LTC6104 monitors bi-directional current via the voltage
across an external sense resistor (shunt resistor). This
sense voltage is then translated into a ground referenced
signal. Gain is set with three external resistors and can
be separately congured for both directions. Low DC
offset allows the use of a small shunt resistor and large
gain-setting resistors. As a result, power loss in the shunt
is minimal.
The wide operating supply range and high accuracy make
the LTC6104 ideal for a wide variety of automotive, industrial
and power management applications. A maximum input
sense voltage of 500mV allows a wide range of currents
to be monitored. The fast response makes the LTC6104
the perfect choice for load current warnings and shutoff
protection control. With very low supply current, the
LTC6104 is suitable for power sensitive applications.
The LTC6104 is available in an 8-lead MSOP package.
■ Wide Supply Range: 4V to 60V with 70V Absolute
Maximum
■ Low Offset Voltage: ±450V Maximum
■ Fast Response: 1s Response Time
■ Gain Congurable with External Resistors; Each
Direction is Gain Congurable
■ Low Input Bias Current: 170nA Maximum
■ PSRR: 110dB Minimum
■ Output Current: ±1mA Maximum
■ Low Supply Current: 520A, VS = 12V
■ Specied for –40°C to 125°C Temperature Range
■ Available in an 8-Lead MSOP Package
■ Current Shunt Measurement
■ Battery Monitoring
■ Remote Sensing
■ Power Management
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
+
–
8
7
6
4
+INA
OUT
VS
A
LTC6104
12V
TO
P
6104 TA01a
–INA
–INB
RIN
100
RIN
100
TO
CHARGER/LOAD
RSENSE
VSENSE
VREF
+
–
+INB
V–
VREF
+IN
5V
–IN
LT
1004-2.5
C2
0.1
F
R1
2.3k
VCC
LTC1286
GND
ILOAD
+
CURRENT
MIRROR
+
–
5
B
CS
CLK
DOUT
ROUT
2.5k
+
C1
1
F
1
16-Bit Resolution Bi-Directional Output into LTC1286 ADC
Step Response
TIME (1
s/DIV)
6V
1V
1.5V
6104 G15
VSENSE
–
VOUT
IOUT = 100A
IOUT = 0A
TA = 25°C
VS = 12V
RIN = 100
ROUT = 5k
VSENSE
+ = V
S
VREF = 1V
VSENSE = 100mV
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