16
LT1636
1636fc
LT/LT 0505 REV C • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1998
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
TYPICAL APPLICATIONS
U
RELATED PARTS
Lamp Outage Detector Over-The-Top Current Sense
–
+
LT1636
5V TO 44V
5V
R1
200Ω
R
S
0.2Ω
R2
2k
V
OUT
(0V TO 4.3V)
1636 TA08
LOAD
I
LOAD
V
OUT
(R
S
)(R2/R1)
I
LOAD
=
–
+
LT1636
IN1
(0V TO 44V)
IN2
(0V TO 44V)
2N5087
2N5210
1636 TA03
1M
V
OUT
1M
V
CC
100
1M
10k
HYSTERESIS =
10k
1M
3V TO 44V
Over-The-Top Comparator with Hysteresis
Self-Buffered Micropower Reference
–
+
LT1636
1636 TA04
V
OUT
= 1.25V
I
OUT
≤ 10mA
1N5711
LT1634-1.25
0.1µF
1M
4V TO 44V
–
+
LT1636
5k
1M
5V TO 44V
3V
100k
0.5Ω
LAMP
ON/OFF
OUT
1636 TA07
OUT = 0V FOR GOOD BULB
3V FOR OPEN BULB
PART NUMBER DESCRIPTION COMMENTS
LT1078/LT1079 Dual/Quad 55µA Max, Single Supply, Precision Op Amps Input/Output Common Mode Includes Ground, 70µV V
OS(MAX)
LT2078/LT2079 and 2.5µV/°C Drift (Max), 200kHz GBW, 0.07V/µs Slew Rate
LT1178/LT1179 Dual/Quad 17µA Max, Single Supply, Precison Op Amps Input/Output Common Mode Includes Ground, 70µV V
OS(MAX)
LT2178/LT2179 and 4µV/°C Drift (Max), 85kHz GBW, 0.04V/µs Slew Rate
LT1366/LT1367 Dual/Quad Precision, Rail-to-Rail Input and Output Op Amps 475µV V
OS(MAX)
, 500V/mV A
VOL(MIN)
, 400kHz GBW
LT1490/LT1491 Dual/Quad Over-The-Top Micropower, Rail-to-Rail Input and Single Supply Input Range: – 0.4V to 44V, Micropower 50µA
Output Op Amps per Amplifier, Rail-to-Rail Input and Output, 200kHz GBW
LT1637 Single Over-The-Top Micropower Rail-to-Rail Input and Output 1.1MHz, V
CM
Extends 44V above V
EE
,
Op Amp Independent of V
CC
; MSOP Package, Shutdown Function
LT1638/LT1639 Dual/Quad 1.2MHz Over-The-Top Micropower, Rail-to-Rail 0.4V/µs Slew Rate, 230µA Supply Current per Amplifier
Input and Output Op Amps
LT1782 Micropower, Over-The-Top, SOT-23, Rail-to-Rail SOT-23, 800µV V
OS(MAX)
, I
S
= 55µA (Max),
Input and Output Op Amp Gain-Bandwidth = 200kHz, Shutdown Pin
LT1783 1.2MHz, Over-The-Top, Micropower, Rail-to-Rail SOT-23, 800µV V
OS(MAX)
, I
S
= 300µA (Max),
Input and Output Op Amp Gain-Bandwidth = 1.2MHz, Shutdown Pin
