LTC1441_15 Datasheet, PDF (4/16 Pages) Linear Technology – Ultralow Power Single/Dual Comparator with Reference

LTC1440/LTC1441/LTC1442
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V ⁺ = 3V and V ^– = GND = 0V unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Power Supply
V⁺
Supply Voltage Range
●
2
11
V
I_CC
Supply Current
Comparator
IN ⁺ = IN ^– + 80mV
HYST = REF (LTC1440/LTC1442)
LTC1440 0°C ≤ T_A ≤ 70°C ●
–40°C ≤ T_A ≤ 85°C ●
LTC1441
●
LTC1442
●
2
3.9
µA
4.3
µA
3.5
5.7
µA
3.5
5.7
µA
V_OS
I_IN
V_CM
CMRR
PSRR
Comparator Input Offset Voltage
Input Leakage Current (IN ⁺, IN ^–)
Input Leakage Current (HYST)
Comparator Input Common
Mode Range
Common Mode Rejection Ratio
Power Supply Rejection Ratio
V_CM = 1.5V
V_IN ⁺ = V_IN ^– = 1.5V
V ^– to V ⁺ – 1.3V
V ⁺ = 2V to 11V (LTC1441)
V ⁺ = 2.5V to 11V (LTC1440/LTC1442)
●
±3
±10
mV
●
±0.01 ±1
nA
●
±0.02 ±1
nA
●
V^–
V ⁺ – 1.3V
V
0.1
1
mV/V
0.1
1
mV/V
0.1
1
mV/V
NOISE
V_HYST
t_PD
Voltage Noise
Hysteresis Input Voltage Range
Propagation Delay
V_OH
Output High Voltage
Comparator
100Hz to 100kHz
LTC1440/LTC1442
C_OUT = 100pF
I_O = – 8mA
Overdrive = 10mV
Overdrive = 100mV
100
● REF – 50mV
14
5
● V ⁺ – 0.4V
µV_RMS
REF
V
µs
µs
V
V_OL
Output Low Voltage
Reference
I_O = 0.8mA
LTC1440
●
LTC1441/LTC1442
●
GND + 0.4V V
V ^– + 0.4V
V
V_REF Reference Voltage
No Load
LTC1440/LTC1442
0°C ≤ T_A ≤ 70°C
–40°C ≤ T_A ≤ 85°C
● 1.170 1.182 1.194
V
● 1.164
1.200
V
LTC1440 (MSOP, DFN) ● 1.164
1.200
V
I_SOURCE Reference Output Source Current ∆V_REF ≤ 1mV (LTC1442)
●
60
120
µA
I_SINK Reference Output Sink Current ∆V_REF ≤ 2.5mV (LTC1442)
10
20
µA
∆V_REF Reference Source Current
0 ≤ I_SOURCE ≤ 1mA (LTC1440)
●
0.8
5.5
mV
Reference Sink Current
0 ≤ I_SINK ≤ 10µA (LTC1440)
0.5
1.5
mV
●
5
mV
NOISE Voltage Noise
100Hz to 100kHz
100
µV_RMS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
144012fd
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