current sense ampli铿乪r. The two internal ampli铿乪rs are
鈥?/div>
terminal.
Design 铿俥xibility is provided by the excellent device char-
acteristics: 450碌V maximum offset, and only 275碌A of
current consumption (typical at 12V) for each ampli铿乪r.
The LTC6103 operates on supplies from 4V to 60V.
The LTC6103 monitors current via the voltage across an
external sense resistor (shunt resistor). Internal circuitry
converts input voltage to output current, allowing for a
small sense signal on a high common mode voltage to be
translated into a ground referenced signal. Low DC offset al-
lows 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 LTC6103 ideal for an extensive variety of applications
from automotive to industrial and power management.
The fast response makes the LTC6103 the perfect choice
for load current warnings and shutoff protection control.
With very low supply current, the LTC6103 is suitable for
power sensitive applications.
The LTC6103 is available in an 8-lead MSOP package.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Two Independent Current Sense Ampli铿乪rs
Wide Supply Range: 4V to 60V, 70V Absolute
Maximum
Low Offset Voltage: 450碌V Maximum
Fast Response: 1碌s Response Time
Gain Con铿乬urable with External Resistors
Low Input Bias Current: 170nA Maximum
PSRR: 110dB Minimum (6V to 60V)
Output Current: 1mA Maximum
Low Supply Current: 275碌A per Ampli铿乪r, V
S
= 12V
Speci铿乪d for 鈥?0掳C to 125掳C Temperature Range
Available in an 8-lead MSOP Package
APPLICATIONS
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
Current Shunt Measurement
Battery Monitoring
Remote Sensing
Power Management
High Voltage Level Translator
TYPICAL APPLICATION
Two 16-Bit Current Sense Channels Connected Directly to the LTC2436-1 ADC
V
A+
I
LOAD
LOAD
8
+INA
7
鈥揑NA
鈥?/div>
V
SENSE
+
R
IN
100鈩?/div>
V
B+
V
SENSE
Step Response
I
LOAD
LOAD
5
+
鈥?/div>
V
SENSE
鈥?/div>
鈭哣
SENSE
鈥?/div>
= 100mV
5.5V
5V
R
IN
100鈩?/div>
6
鈥揑NB
+INB
5V 1碌F
+ 鈥?/div>
V
SA
鈥?+
V
SB
7
OUTB
2
4
5
CH0
3,8,9,10,14,15,16
6103 TA01a
2
6
CH1
LTC2436-1
1
13
12
11
TO
碌P
I
OUT
= 100碌A
T
A
= 25掳C
V
+
= 12V
R
IN
= 100鈩?/div>
R
OUT
= 5k
V
SENSE
+
= V
+
6103 TA01b
LTC6103
OUTA
1
4
V
鈥?/div>
0.5V
0V
V
OUT
I
OUT
= 0碌A
500ns/DIV
R
OUT
4.99k
R
OUT
4.99k
6103f
1
LTC6103 PDF文件相关型号
LTC6103CMS8,LTC6103HMS8
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