LTC1440 LINER [Linear Technology], LTC1440 Datasheet - Page 4

• Manufacturer Part Number: LTC1440
• Description: Ultralow Power Single/Dual Comparator with Reference
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
LTC1440/LTC1441/LTC1442
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
Reference
V
I
I
NOISE
4
The
temperature range.
SOURCE
SINK
REF
V
100
REF
160
140
120
100
80
60
40
20
5
4
3
2
1
0
0
0
–1
0
denotes specifications which apply over the full operating
Comparator Response Time vs
Input Overdrive
Comparator Short-Circuit Source
Current vs Supply Voltage
T
A
Reference Voltage
Reference Output Source Current
Reference Output Sink Current
Reference Source Current
Reference Sink Current
Voltage Noise
= 25 C
0
1
RESPONSE TIME ( s)
50mV
SUPPLY VOLTAGE (V)
OUT CONNECTED TO
2
100mV
2
V
–
4
= GND = 0V
3
6
W
10mV
20mV
4
8
1440/1/2 G01
1440/1/2 G04
U
10
5
CONDITIONS
No Load
LTC1440/LTC1442
No Load LTC1440 (MSOP) C Temp Range
0 I
0 I
100Hz to 100kHz
V
V
100
REF
REF
12
10
1
0
5
4
3
2
0
SOURCE
SINK
8
6
4
2
–1
Comparator Response Time vs
Input Overdrives
0
Comparator Response Time vs
Load Capacitance with 100mV
Input Overdrive
T
1mV (LTC1442)
2.5mV (LTC1442)
A
0
= 25 C
10 A (LTC1440)
V
100mV
20
2
1mA (LTC1440)
+
t
t
= 3V, V
LOAD CAPACITANCE (nF)
PLH
PHL
RESPONSE TIME ( s)
4
40
6
50mV
–
= GND = 0V, T
8
C Temp Range
I Temp Range
20mV
10
60
12
10mV
14
80
1440/1/2 G02
1440/1/2 G05
A
16
= 25 C unless otherwise noted.
100
18
10000
1000
200
180
160
140
120
100
100
10
80
60
40
20
1
0
1.0
Comparator Short-Circuit Sink
Current vs Supply Voltage
0
1.170
1.164
1.164
Comparator Response Time at
Low Supply Voltage
MIN
60
10
T
A
1
= 25 C
1.1
OUT CONNECTED TO V
2
1.182
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3
TYP
120
100
0.8
0.5
1.2
20
100mV OVERDRIVE
4
1.3
5
1.194
1.200
1.200
MAX
20mV OVERDRIVE
5.5
1.5
6
5
1.4
+
7
8
1.5
1440/1/2 G06
1440/1/2 G03
UNITS
V
9
RMS
mV
mV
mV
1.6
10
V
V
V
A
A