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LT6100IMS8#PBF

Description
电流检测 放大器 1 电路 - 8-MSOP
Categorysemiconductor    Amplifier IC   
File Size1MB,18 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LT6100IMS8#PBF Overview

电流检测 放大器 1 电路 - 8-MSOP

LT6100IMS8#PBF Parametric

Parameter NameAttribute value
category
MakerADI
series-
PackagePipe fittings
Amplifier typeCurrent Detection
Output type-
Slew rate0.05V/µs
Current - power supply60µA
Voltage - Power supply, single/dual (±)2.7V ~ 36V,±1.35V ~ 18V
Operating temperature-40°C ~ 85°C
Installation typesurface mount type
Package/casing8-TSSOP, 8-MSOP (0.118", 3.00mm wide)
Supplier device packaging8-MSOP
Number of circuits1
-3db bandwidth150 kHz
Voltage - Input Compensation80 µV
Current - Output/Channel15 mA
Basic product numberLT6100
FEATURES
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LT6100
Precision, Gain Selectable
High Side Current Sense
Amplifier
DESCRIPTION
The
LT
®
6100
is a complete micropower, precision, high
side current sense amplifier. The LT6100 monitors unidi-
rectional currents via the voltage across an external sense
resistor. Fixed gains of 10, 12.5, 20, 25, 40, 50V/V are
obtained by simply strapping or floating two gain select
pins. Gain accuracy is better than 0.5% for all gains.
The LT6100 sense inputs have a voltage range that extends
from 4.1V to 48V, and can withstand a differential voltage
of the full supply. This makes it possible to monitor the
voltage across a MOSFET switch or a fuse. The part can
also withstand a reverse battery condition on the inputs.
Input offset is a low 300µV. CMRR and PSRR are in ex-
cess of 105dB, resulting in a wide dynamic range. A filter
pin is provided to easily implement signal filtering with a
single capacitor.
The LT6100 has a separate supply input, which operates
from 2.7V to 36V and draws only 60µA. When V
CC
is
powered down, the sense pins are biased off. This pre-
vents loading of the monitored circuit, irrespective of the
sense voltage. The LT6100 is available in an 8-lead DFN
and MSOP package.
Input Offset Voltage: 300µV (Max)
Sense Inputs Up to 48V
0.5% Gain Accuracy
Pin Selectable Gain: 10, 12.5, 20, 25, 40, 50V/V
Separate Power Supply: 2.7V to 36V
Operating Current: 60µA
Sense Input Current (V
CC
Powered Down): 1nA
Reverse Battery Protected to –48V
Buffered Output
Noise Filtering Input
–40°C to 125°C Operating Temperature Range
Available in 8-Lead DFN and MSOP Packages
APPLICATIONS
n
n
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Battery Monitoring
Fuse Monitoring
Portable and Cellular Phones
Portable Test/Measurement Systems
L,
LT, LTC, LTM, Linear Technology, the Linear logo and Over-The-Top are registered
trademarks of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
TYPICAL APPLICATION
0A to 33A High Side Current Monitor with 12kHz Frequency Rolloff
4.4V TO 48V
SUPPLY
LT6100
+
8 V
S
3V
2
V
CC
7
A4
6
INPUT OFFSET VOLTAGE (mV)
A2
Input Offset Voltage
vs V
S
Sense Input Voltage
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
V
SENSE
= 100mV
V
CC
= 3V
T
A
= 25°C
R
SENSE
3m
1 V
S
V
EE
4
CONFIGURED FOR GAIN = 25V/V
FIL
3
220pF
V
OUT
5
V
OUT
= 2.5V
I
SENSE
= 33A
LOAD
6100 TA01a
0
5
10 15 20 25 30 35 40 45 50
V
S
SENSE INPUT VOLTAGE (V)
6100 TA01b
6100fd
For more information
www.linear.com/LT6100
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