Datasheet LTC1841, LTC1842, LTC1843 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Ultralow Power Dual Comparators with Reference |
| Pages / Page | 12 / 3 — ELECTRICAL CHARACTERISTICS V+ = 5V, V– = 0V, TA = 25. C unless otherwise … |
| File Format / Size | PDF / 232 Kb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS V+ = 5V, V– = 0V, TA = 25. C unless otherwise noted. SYMBOL PARAMETER. CONDITIONS. MIN. TYP. MAX. UNITS
Model Line for this Datasheet
- LTC1841CS8#PBF LTC1841CS8#PBF LTC1841CS8#TRPBF LTC1841CS8#TRPBF LTC1841IS8#PBF LTC1841IS8#PBF LTC1841IS8#TRPBF LTC1841IS8#TRPBF
Text Version of Document
LTC1841/LTC1842/LTC1843
ELECTRICAL CHARACTERISTICS V+ = 5V, V– = 0V, TA = 25
°
C unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
tPD Propagation Delay COUT = 10pF, RPULL-UP = 100k Overdrive = 10mV 12 µs Overdrive = 100mV 4 µs ILEAK Output Leakage Current VOUT = 12V (Note 2) ● 1 100 nA VOL Output Low Voltage IOUT = 1.8mA ● V – + 0.4V V
Reference (LTC1842/LTC1843)
VREF Reference Voltage No Load 25°C 1.174 1.182 1.190 V 0°C to 70°C ● 1.170 1.194 V – 40°C to 85°C ● 1.164 1.200 V ∆VREF Load Regulation ISOURCE = 1mA ● 1 3 mV ISINK =10µA 1.75 4 mV ● 6 mV en Voltage Noise 100Hz to 100kHz 100 µVRMS
V + = 3V, V – = 0V, TA = 25
°
C unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply
V + Supply Voltage Range LTC1841 ● 2.0 11 V LTC1842/LTC1843 ● 2.5 11 V ICC Supply Current HYST = REF (Note 2) ● 3.5 5.5 µA
Comparator
VOS Comparator Input Offset Voltage (Note 3) ● ±3 ±10 mV IIN Input Leakage Current (IN +, IN –) IN + = IN – = 1.5V (LTC1841), ● ±0.01 ±1 nA IN + = IN – = VREF (LTC1842/LTC1843) VIN Comparator Input Voltage Range ● V – V + – 1.3V V PSRR Power Supply Rejection Ratio V + = 2V to 11V (LTC 1841), 0.1 1 mV/V V + = 2.5V to 11V (LTC1842/LTC1843) CMRR Common Mode Rejection Ratio VCM = V – to (V + – 1.3V) LTC1841 ● 0.1 1 mV/V VHYST Hysteresis Input Voltage Range LTC1842/LTC1843 ● VREF – 50mV VREF V tPD Propagation Delay COUT = 10pF, RPULL-UP = 100k Overdrive = 10mV 14 µs Overdrive = 100mV 5 µs ILEAK Output Leakage Current VOUT = 12V (Note 2) ● 1 100 nA VOL Output Low Voltage IO = 0.8mA ● V – + 0.4V V
Reference (LTC1842/LTC1843)
VREF Reference Voltage No Load 25°C 1.174 1.182 1.190 V 0°C to 70°C ● 1.170 1.194 V – 40°C to 85°C ● 1.164 1.200 V ∆VREF Load Regulation ISOURCE = 1mA ● 2 6 mV ISINK =10µA 1.75 4 mV ● 6 mV en Voltage Noise 100Hz to 100kHz 100 µVRMS The ● denotes specifications which apply over the full operating
Note 2:
IN + = IN – + 80mV, output is in high impedance state. temperature range.
Note 3:
VCM = 1/2(V + – V –) for LTC1841, VCM = VREF for LTC1842/
Note 1:
Absolute Maximum Ratings are those values beyond which the life LTC1843. of a device may be impaired. 3
ELECTRICAL CHARACTERISTICS V+ = 5V, V– = 0V, TA = 25
°
C unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
tPD Propagation Delay COUT = 10pF, RPULL-UP = 100k Overdrive = 10mV 12 µs Overdrive = 100mV 4 µs ILEAK Output Leakage Current VOUT = 12V (Note 2) ● 1 100 nA VOL Output Low Voltage IOUT = 1.8mA ● V – + 0.4V V
Reference (LTC1842/LTC1843)
VREF Reference Voltage No Load 25°C 1.174 1.182 1.190 V 0°C to 70°C ● 1.170 1.194 V – 40°C to 85°C ● 1.164 1.200 V ∆VREF Load Regulation ISOURCE = 1mA ● 1 3 mV ISINK =10µA 1.75 4 mV ● 6 mV en Voltage Noise 100Hz to 100kHz 100 µVRMS
V + = 3V, V – = 0V, TA = 25
°
C unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply
V + Supply Voltage Range LTC1841 ● 2.0 11 V LTC1842/LTC1843 ● 2.5 11 V ICC Supply Current HYST = REF (Note 2) ● 3.5 5.5 µA
Comparator
VOS Comparator Input Offset Voltage (Note 3) ● ±3 ±10 mV IIN Input Leakage Current (IN +, IN –) IN + = IN – = 1.5V (LTC1841), ● ±0.01 ±1 nA IN + = IN – = VREF (LTC1842/LTC1843) VIN Comparator Input Voltage Range ● V – V + – 1.3V V PSRR Power Supply Rejection Ratio V + = 2V to 11V (LTC 1841), 0.1 1 mV/V V + = 2.5V to 11V (LTC1842/LTC1843) CMRR Common Mode Rejection Ratio VCM = V – to (V + – 1.3V) LTC1841 ● 0.1 1 mV/V VHYST Hysteresis Input Voltage Range LTC1842/LTC1843 ● VREF – 50mV VREF V tPD Propagation Delay COUT = 10pF, RPULL-UP = 100k Overdrive = 10mV 14 µs Overdrive = 100mV 5 µs ILEAK Output Leakage Current VOUT = 12V (Note 2) ● 1 100 nA VOL Output Low Voltage IO = 0.8mA ● V – + 0.4V V
Reference (LTC1842/LTC1843)
VREF Reference Voltage No Load 25°C 1.174 1.182 1.190 V 0°C to 70°C ● 1.170 1.194 V – 40°C to 85°C ● 1.164 1.200 V ∆VREF Load Regulation ISOURCE = 1mA ● 2 6 mV ISINK =10µA 1.75 4 mV ● 6 mV en Voltage Noise 100Hz to 100kHz 100 µVRMS The ● denotes specifications which apply over the full operating
Note 2:
IN + = IN – + 80mV, output is in high impedance state. temperature range.
Note 3:
VCM = 1/2(V + – V –) for LTC1841, VCM = VREF for LTC1842/
Note 1:
Absolute Maximum Ratings are those values beyond which the life LTC1843. of a device may be impaired. 3
