LTC1445 Linear Technology, LTC1445 Datasheet - Page 3

• Manufacturer Part Number: LTC1445
• Description: Ultralow Power Quad Comparators with Reference
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL PARAMETER
t
V
V
Reference
V
I
I
Noise
The
V
SYMBOL PARAMETER
Power Supply
V
I
Comparator
V
I
V
CMRR
PSRR
Noise
V
t
V
V
Reference
V
I
I
Noise
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
PD
SOURCE
SINK
CC
IN
PD
SOURCE
SINK
OH
OL
REF
+
OS
CM
HYST
OH
OL
REF
+
= 3V, V
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
Propagation Delay
Output High Voltage
Output Low Voltage
Reference Voltage
Reference Output Source Current
Reference Output Sink Current
Voltage Noise
Supply Voltage Range
Supply Current
Comparator Input Offset Voltage
Input Leakage Current (IN
Input Leakage Current (HYST)
Comparator Input Common Mode Range
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Voltage Noise
Hysteresis Input Voltage Range
Propagation Delay
Output High Voltage
Output Low Voltage
Reference Voltage
Reference Output Source Current
Reference Output Sink Current
Noise Voltage
–
= GND = 0V, unless otherwise noted.
+
, IN
–
)
CONDITIONS
Overdrive = 10mV, C
Overdrive = 100mV, C
I
I
I
No Load, LTC1443
No Load, LTC1444/
LTC1445
100Hz to 100kHz
CONDITIONS
IN
V
V
LTC1444/LTC1445
V
V
100Hz to 100kHz
LTC1444/LTC1445
Overdrive = 10mV, C
Overdrive = 100mV, C
I
I
I
No Load, LTC1443
No Load, LTC1444/
LTC1445
100Hz to 100kHz
O
O
O
O
O
O
CM
IN
+
V
V
V
–
V
V
V
+
= – 15mA; LTC1443/LTC1445
= 1.8mA; LTC1443
= 1.8mA; LTC1444/LTC1445
= – 10mA, LTC1443/LTC1445
= 0.8mA; LTC1443
= 0.8mA; LTC1444/LTC1445
REF
REF
REF
= 2V to 11V
REF
REF
REF
+
to (V
A
= IN
= 1.5V
= V
= 25 C. V
IN
+
–
1mV
2.5mV
5mV
1mV
2.5mV
5mV
–1.3V)
= 80mV, HYST = REF
–
The
= 1.5V
+
denotes the specifications which apply over the full operating
= 5V, V
OUT
OUT
OUT
OUT
C Temp Range
I Temp Range
C Temp Range
I Temp Range
C Temp Range
I Temp Range
C Temp Range
I Temp Range
= 100pF
= 100pF
= 100pF
= 100pF
–
= GND = 0V, unless otherwise noted.
LTC1443/LTC1444/LTC1445
REF – 50mV
V
V
+
+
1.170
1.164
1.209
1.203
1.170
1.164
1.209
1.203
MIN
MIN
100
– 0.4V
– 0.4V
2.0
10
10
V
60
10
10
–
1.182
1.221
1.182
1.221
TYP
TYP
200
100
100
120
100
0.1
0.1
0.01
0.02
12
15
15
14
15
15
3.0
4
5
5
GND + 0.4V
GND + 0.4V
V
V
V
–
+
–
1.194
1.200
1.233
1.239
1.194
1.200
1.233
1.239
MAX
MAX
11.0
REF
+ 0.4V
– 1.3V
1.0
1.0
+ 0.4V
10.0
A
1.0
1.0
8
= 25 C.
UNITS
UNITS
mV/V
mV/V
V
V
V
3
RMS
RMS
RMS
mV
nA
nA
V
V
V
V
V
V
V
A
A
A
V
A
V
V
V
V
V
V
V
V
V
A
A
A
s
s
s
s