LT1716
SOT-23, 44V, Over-the-Top,
Micropower, Precision
Rail-to-Rail Comparator
FEATURES DESCRIPTION
n
Operates from 2.7V to 44V
The LT 1716 comparator operates on any total power
n
Over-The-Top : Input Common Mode Range
supply voltage between 2.7V and 44V drawing 35A of
+
Extends 44V Above V , Independent of V
quiescent current. The LT1716 has a unique input stage
+
n
Micropower: 35A I
that can be taken 44V above V , independent of V supply.
Q
n
Offset Voltage: 1.5mV Max
(Built-in resistors protect the inputs for faults below the
n
Valid Output with Either Input 5V Below V
negative supply of up to 5V.) The inputs can withstand
n
Rail-to-Rail Output Swing
44V both differential and common mode.
+
n
Output Can Drive Loads Above V
The output stage includes a class B pull-up current
n
Internal Pull-Up Current
source, eliminating the need for an external resistive
n
40C to 125C Operating Temperature Range
pull-up and saving power. Output voltage swings to within
n
Low Pro le (1mm) SOT-23 (ThinSOT) Package
35mV of the negative supply and 55mV of the positive
supply, which makes the comparator a good choice for
APPLICATIONS low voltage single supply operation. The output stage is
also designed to drive loads connected to a higher supply
n
Power Supply Monitors
than the LT1716 supply, the same as an open collector
n
Relay/Lamp Driver
output stage.
n
Oscillators
n The LT1716 is available in a SOT-23 5-lead package.
Peak Detector
n
L, LT, LTC, LTM, Over-The-Top, Linear Technology and the Linear logo are registered
Level Shifting
trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology
Corporation. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
Lamp Monitor Input Bias Current vs Input Bias Voltage
12
V = 5V, 0V
S
5V TO 44V 3V
0.1F
8
1M
+IN = 10V
INPUT INPUT
4
BELOW ABOVE
6n
LAMP CMPD6001
SUPPLY SUPPLY
100k
ON/OFF
3n
5k 5
4
0
R +IN = 2V +IN = 2V
1
S
LT1716 LAMP GOOD
3n
0.15
3
1W
6n
+
2
100m
0.25A TO 2.5A
0.04
1716 TA01
R 0.5m
S
I
L
1m
1.5m
10 5 0 5 10 15 20 45
V (V)
IN
1716 TA02
1716fa
1
I (A)
BLT1716
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION
(Note 1)
TOP VIEW
Supply Voltage (V+ to V) .........................................44V
+
Differential Input Voltage ..........................................44V
OUT 1 5 V
Input Voltage .....................................................44V, 5V V 2
+
+IN 3 4 IN
Output Short-Circuit Duration (Note 2) ............ Inde nite
Operating Temperature Range (Note 3)
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
LT1716C/LT1716I ................................ 40C to 85C
T = 150C, = 250C/W
JMAX JA
LT1716H ............................................ 40C to 125C
Speci ed Temperature Range (Note 4)
LT1716C/LT1716I ................................ 40C to 85C
LT1716H ............................................ 40C to 125C
Maximum Junction Temperature .......................... 150C
Storage Temperature Range .................. 65C to 150C
Lead Temperature (Soldering, 10 sec)...................300C
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LT1716CS5#PBF LT1716CS5#TRPBF LTYD 5-Lead Plastic TSOT-23 40C to 85C
LT1716IS5#PBF LT1716IS5#TRPBF LTYD 5-Lead Plastic TSOT-23 40C to 85C
LT1716HS5#PBF LT1716HS5#TRPBF LTYD 5-Lead Plastic TSOT-23 40C to 125C
Consult LTC Marketing for parts speci ed with wider operating temperature ranges. *The temperature grade is identi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: