LT6703-2_1 LINER [Linear Technology], LT6703-2_1 Datasheet

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LT6703-2_1

Manufacturer Part Number
LT6703-2_1
Description
Micropower, Low Voltage Comparator with 400mV Reference
Manufacturer
LINER [Linear Technology]
Datasheet
FEATURES
APPLICATIONS
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TYPICAL APPLICATION
Internal 400mV Reference
Total Threshold Error: ±1.25% Max at 25°C
Wide Supply Range: 1.4V to 18V
Input and Output Operate to 36V
Specifi ed for –40°C to 125°C Temperature Range
Low Quiescent Current: 6.5μA Typ at 5V
Internal Hysteresis: 6.5mV Typ
Low Input Bias Current: ±10nA Max
Over-The-Top
Open-Collector Output Allows Level Translation
Choice of Input Polarities: LT6703-2/LT6703-3/
LT6703HV-2/LT6703HV-3
Available in 2mm × 2mm DFN and
Low Profi le (1mm) SOT-23 (ThinSOT™) Packages
Battery-Powered System Monitoring
Threshold Detectors
Window Comparators
Relay Driving
Industrial Control Systems
Handheld Instruments
Automotive Monitor and Controls
0.1μF
Micropower Supply Voltage Monitor
1MΩ
154k
®
Input also Includes Ground
+IN
LT6703-3
1.4V ≤ V
+
REFERENCE
(V
400mV
TH
IN
= 3V)
V
GND
S
≤ 18V
OUT
V
S
670323 TA01
1MΩ
DESCRIPTION
The LT
bine a micropower, low voltage comparator with a 400mV
reference in a tiny DFN package. Operating with supplies
from 1.4V up to 18V, these devices draw only 6.5μA, making
them ideal for low voltage system monitoring. Hysteresis
is included in the comparator, ensuring stable operation.
The comparator has one input available externally while
the other input is connected internally to the reference.
The comparator output is open collector and the output
load can be referred to any voltage up to 18V (36V for
LT6703HV) independent of supply voltage. The output
stage has a guaranteed current sink capability of more
than 5mA over temperature.
The two versions of this part differ by the polarity of the
available comparator input. The LT6703-2/LT6703HV-2
has an inverting input and the LT6703-3/LT6703HV-3 has
a noninverting input. Both versions are offered in com-
mercial, industrial and automotive temperature ranges.
L, LT, LTC, LTM, Linear Technology, the Linear logo and Over-The-Top are registered
trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology
Corporation. All other trademarks are the property of their respective owners.
Micropower, Low Voltage
®
LT6703HV-2/LT6703HV-3
6703-2/LT6703-3/LT6703HV-2/LT6703HV-3 com-
Rising Input Threshold Voltage vs Temperature
404
403
402
401
400
399
398
397
396
–60 –40
400mV Reference
LT6703-2/LT6703-3
Comparator with
–20 0
#1
#2
#3
#4
TEMPERATURE (°C)
20 40 60 80
FOUR TYPICAL PARTS
V
S
= 5V
100 120
670323 TA01b
670323fd
1

Related parts for LT6703-2_1

LT6703-2_1 Summary of contents

Page 1

... The two versions of this part differ by the polarity of the available comparator input. The LT6703-2/LT6703HV-2 has an inverting input and the LT6703-3/LT6703HV-3 has a noninverting input. Both versions are offered in com- mercial, industrial and automotive temperature ranges. L, LT, LTC, LTM, Linear Technology, the Linear logo and Over-The-Top are registered trademarks of Linear Technology Corporation ...

Page 2

... ABSOLUTE MAXIMUM RATINGS (Note 1) Total Supply Voltage (V to GND) ..........................18.5V S Input Voltage (+IN, –IN) (Note 3) ....................................... 18.5V to (GND – 0.3V) LT6703HV .................................. 40V to (GND – 0.3V) Output Voltage (OUT) .................. 18.5V to (GND – 0.3V) LT6703HV .................................. 40V to (GND – 0.3V) Output Short-Circuit Duration (Note 2) ............ Indefi nite Input Current (Note 3) ..........................................–10mA PIN CONFIGURATION LT6703-2 ...

Page 3

... Plastic TSOT-23 LTDMN 5-Lead Plastic TSOT-23 LTDMP 5-Lead Plastic TSOT-23 LTDMP 5-Lead Plastic TSOT-23 LTDMP 5-Lead Plastic TSOT-23 http://www.linear.com/leadfree/ http://www.linear.com/tapeandreel 25°C (LT6703-2/LT6703-3) unless otherwise specifi ed. A CONDITIONS = 100k Swing 100k Swing ...

Page 4

... LT6703-2/LT6703-3 LT6703HV-2/LT6703HV-3 ELECTRICAL CHARACTERISTICS 0°C ≤ T ≤ 70°C, (LT6703C-2/LT6703C-3) unless otherwise specifi ed (Notes 4, 5). A SYMBOL PARAMETER V Rising Input Threshold Voltage (Note 6) R TH(R) V Falling Input Threshold Voltage (Note 6) R TH(F) HYS HYS = V – V TH(R) TH(F) I Input Bias Current B V Output Low Voltage ...

Page 5

... Rising Input Threshold Voltage (Note 6) R TH(R) V Falling Input Threshold Voltage (Note 6) R TH(F) HYS HYS = V – V TH(R) TH(F) I Input Bias Current B LT6703HV-2/LT6703HV 25°C, (LT6703HV-2/LT6703HV-3) unless otherwise specifi ed. A CONDITIONS = 100k Swing 100k Swing ...

Page 6

... QA sampled at these temperatures. The LT6703I-2/-3/LT6703HVI-2/-3, are guaranteed to meet specifi ed performance from –40°C to 85°C. The LT6703H-2/- 3/LT6703HVH-2/-3, is guaranteed to meet specifi ed performance from –40°C to 125°C. ...

Page 7

... 402 12V 18V S 402.0 401.5 401.0 400.5 400.0 399.5 399.0 –60 –40 – TEMPERATURE (°C) LT6703-2/LT6703 LT6703-3 LT6703HV-3 + +IN OUT – V 400mV S REFERENCE 670323 PF03 GND Distribution of Hysteresis 25° 25° ...

Page 8

... LT6703-2/LT6703-3 LT6703HV-2/LT6703HV-3 TYPICAL PERFORMANCE CHARACTERISTICS Hysteresis vs Temperature 10 FOUR TYPICAL PARTS – –60 –40 100 120 TEMPERATURE (°C) 670323 G07 Minimum Supply Voltage 1 0 –1 –2 – 25° 85°C – ...

Page 9

... 12V 18V OUTPUT VOLTAGE (V) LT6703-2/LT6703-3 High Level Input Bias Current 10 CURRENT IS GOING INTO THE DEVICE 1 0 18V S 0.01 = 25°C V > 85° 25° 125° 85° –55° 125° ...

Page 10

... INPUT OVERDRIVE (mV) 670323 G25 APPLICATIONS INFORMATION The LT6703-2/LT6703-3/LT6703HV-2/LT6703HV-3 devices are micropower comparators with a built-in 400mV refer- ence. Features include wide supply voltage range (1.4V to 18V), Over-The-Top input and output range, 2% accurate rising input threshold voltage and 6.5mV typical built-in hysteresis ...

Page 11

... Load currents are directed out of the GND pin of the part. The output off-state voltage may range between – 0.3V and 18V (36V for LT6703HV) with respect to ground, regardless of the supply voltage used. When the output high state bias voltage is above 18V, a 100k minimum pull-up resistor is required and no total load capacitor greater than 100nF should be used ...

Page 12

... LT6703-2/LT6703-3 LT6703HV-2/LT6703HV-3 PACKAGE DESCRIPTION 1.00 0.05 1.30 0.05 (2 SIDES) 2.00 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF 12 DC Package 3-Lead Plastic DFN (2mm × 2mm) (Reference LTC DWG # 05-08-1717 Rev A) 1.35 0.05 (2 SIDES) PACKAGE OUTLINE 0.25 0.05 0.50 BSC 1.00 0.05 2.00 0.10 (2 SIDES) (4 SIDES) ...

Page 13

... LT6703HV-2/LT6703HV-3 S5 Package 5-Lead Plastic TSOT-23 (Reference LTC DWG # 05-08-1635 Rev B) 0.95 REF 1.22 REF 1.50 – 1.75 2.80 BSC 1.4 MIN (NOTE 4) PIN ONE 0.95 BSC 0.80 – 0.90 1.00 MAX 0.09 – 0.20 (NOTE 3) LT6703-2/LT6703-3 2.90 BSC (NOTE 4) 0.30 – 0.45 TYP 5 PLCS (NOTE 3) 0.01 – 0.10 1.90 BSC S5 TSOT-23 0302 REV B 670323fd 13 ...

Page 14

... Typ Supply Current, Adjustable Threshold and Hysteresis 1.4V to 18V Supply Voltage, 6.5μA Typical Supply Current www.linear.com ● 12V 5V LED ( > 4A) LOAD V LOAD S 1k LT6703-2 –IN OUT R 0.1Ω S GND Low Side Current Sense Alarm 15V 0V 670323 TA02 LT 0609 REV D • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2006 670323fd ...

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