LT6109-1/LT6109-2
28
610912fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 1212 REV A • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
ADC Driving Application
PART NUMBER DESCRIPTION COMMENTS
LT1787 Bidirectional High Side Current Sense Amplifier 2.7V to 60V, 75µV Offset, 60µA Quiescent, 8V/V Gain
LTC4150 Coulomb Counter/Battery Gas Gauge Indicates Charge Quantity and Polarity
LT6100 Gain-Selectable High Side Current Sense Amplifier 4.1V to 48V, Gain Settings: 10, 12.5, 20, 25, 40, 50V/V
LTC6101 High Voltage High Side Current Sense Amplifier Up to 100V, Resistor Set Gain, 300µV Offset, SOT-23
LTC6102 Zero Drift High Side Current Sense Amplier Up to 100V, Resistor Set Gain, 10µV Offset, MSOP8/DFN
LTC6103 Dual High Side Current Sense Amplifier 4V to 60V, Resistor Set Gain, 2 Independent Amps, MSOP8
LTC6104 Bidirectional High Side Current Sense Amplifier 4V to 60V, Separate Gain Control for Each Direction, MSOP8
LT6105 Precision Rail-to-Rail Input Current Sense Amplifer –0.3V to 44V Input Range, 300µV Offset, 1% Gain Error
LT6106 Low Cost High Side Current Sense Amplifier 2.7V to 36V, 250µV Offset, Resistor Set Gain, SOT-23
LT6107 High Temperature High Side Current Sense Amplifier 2.7V to 36V, –55°C to 150°C, Fully Tested: –55°C, 25°C, 150°C
LT6108 High Side Current Sense Amplifier with Reference and
Comparator
2.7V to 60V, 125µV Offset, Resistor Set Gain, ±1.25% Threshold
Error
LT6700 Dual Comparator with 400mV Reference 1.4V to 18V, 6.5µA Supply Current
SENSEHI SENSELO
OUTA
0.1Ω
SENSE
LOW
SENSE
HIGH
LT6109-1
V
–
OUT
2k
0.1µF
0.1µF
6.65k
INC2
1.33k
OVERCURRENT
UNDERCURRENT
INC1
V
+
EN/RST
OUTC1
8
1
7
6
5
OUTC2
10
9
2
4
V
CC
V
CC
V
REF
10k
3
RESET
6109 TA05
IN
V
CC
10k
IN
+
LTC2470
COMP
TO
MCU
100Ω
The low sampling current of the LTC2470 16-bit delta
sigma ADC is ideal for the LT6109.
