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參數(shù)資料
| 型號： | LTC6101HV |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | High Voltage, High-Side Current Sense Amplifier in SOT-23 |
| 中文描述： | 高電壓，高邊電流檢測放大器，采用SOT - 23 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大小： | 330K |
| 代理商： | LTC6101HV |
LTC6101/LTC6101HV
8
6101fa
OUT (Pin 1):
Current Output. OUT (Pin 1) will source a
current that is proportional to the sense voltage into an
external resistor.
V
–
(Pin 2):
Negative Supply (or Ground for Single-Supply
Operation).
IN
–
(Pin 3):
The internal sense amplifier will drive IN
–
(Pin
3) to the same potential as IN
+
(Pin 4). A resistor (R
IN
) tied
from V
+
to IN
–
sets the output current I
OUT
= V
SENSE
/R
IN
.
V
SENSE
is the voltage developed across the external R
SENSE
(Figure 1).
IN
+
(Pin 4):
Must be tied to the system load end of the
sense resistor, either directly or through a resistor.
V
+
(Pin 5):
Positive Supply Pin. Supply current is drawn
through this pin.
The circuit may be configured so that
the LTC6101 supply current is or is not monitored along
with the system load current.
To monitor only system
load current, connect V
+
to the more positive side of the
sense resistor. To monitor the total current, including the
LTC6101 current, connect V
+
to the more negative side of
the sense resistor.
Figure 1. LTC6101/LTC6101HV Block Diagram and Typical Connection
The LTC6101 high side current sense amplifier (Figure 1)
provides accurate monitoring of current through a user-
selected sense resistor. The sense voltage is amplified by
a user-selected gain and level shifted from the positive
power supply to a ground-referred output. The output
signal is analog and may be used as is or processed with
an output filter.
Theory of Operation
An internal sense amplifier loop forces IN
–
to have the
same potential as IN
+
. Connecting an external resistor,
R
IN
, between IN
–
and V
+
forces a potential across R
IN
that
is the same as the sense voltage across R
SENSE
. A corre-
sponding current, V
SENSE
/R
IN
, will flow through R
IN
. The
high impedance inputs of the sense amplifier will not
conduct this input current, so it will flow through an
internal MOSFET to the output pin.
The output current can be transformed into a voltage by
adding a resistor from OUT to V
–
. The output voltage is
then V
O
= V
–
+ I
OUT
R
OUT
.
–
+
4
3
5
2
1
IN
–
V
+
V
–
10V
OUT
6101 BD
IN
+
LTC6101/LTC6101HV
V
BATTERY
I
OUT
V
SENSE
R
SENSE
I
LOAD
R
OUT
R
IN
–
+
L
O
A
D
V
OUT
= V
SENSE
x R
OUT
R
IN
5k
5k
10V
PIU
BLOCK DIAGRA
APPLICATIU
W
U
U
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LTC6101HVACMS8 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Voltage, High-Side Current Sense Amplifier in SOT-23 |
| LTC6101HVACMS8#PBF | 功能描述:IC AMP CURRENT SENSE 8-MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| LTC6101HVACMS8#TRPBF | 功能描述:IC AMP CURRENT SENSE 8-MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| LTC6101HVACS5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Voltage, High-Side Current Sense |
| LTC6101HVACS5#PBF | 制造商:Linear Technology 功能描述:SP Amp Current Sense Amp Single 100V 5-Pin TSOT-23 制造商:Linear Technology 功能描述:SC-Amps/Current Sense, Cut Tape High Voltage, High Side Current Sense Amplifier |
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