TS391AILT
STMicroelectronicsSwitzerland

TS391AILT

ActiveComparatorsSOT-23-5

LOW-POWER SINGLE VOLTAGE COMPARA

STMicroelectronics TS391AILT is a general-purpose single-channel comparator in SOT-23-5 package, with a supply voltage range of 2V to 36V, operating temperature of -40°C to 125°C, featuring low input offset voltage and wide common-mode input range.Checked against the datasheet

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Technical parameters

Key specs

Elements1
Output typeECL
Supply voltage2 ~ 36 V
Quiescent current1.25 mAMax

Datasheet-verified parameters

30 items
ParameterValue and test conditionsSource
Number of Elements1
Output TypeCMOS, DTL, ECL, MOS, TTL
Voltage - Supply, Single/Dual (±)2V ~ 36V, ±1V ~ 18V
Current - Quiescent (Max)1.25mA
Package / CaseSOT-23-5
Operating Temperature-40°C ~ 125°C
GradeIndustrial
RoHS StatusROHS3 Compliant
REACH StatusREACH Unaffected
Input offset voltageMax 1.5 mV (TS391A), VCC+ = 5V, VCC- = 0V, Tamb = 25°C
Input bias currentTyp 25 nA, Max 150 nA (TS391A), VCC+ = 5V, VCC- = 0V, Tamb = 25°C
Input offset currentTyp 5 nA, Max 50 nA, VCC+ = 5V, VCC- = 0V, Tamb = 25°C
Large signal voltage gainMin 50 V/mV, Typ 200 V/mV, VCC+ = 15V, RL = 15 kΩ, Vo = 1 to 11 V
Supply currentTyp 0.2 mA, Max 0.5 mA (VCC+ = 5V, no load); Typ 0.5 mA, Max 1.25 mA (VCC+ = 30V, no load)
Output sink currentMin 6 mA, Typ 16 mA, Vid = -1 V, Vo = 1.5 V
Low level output voltageTyp 250 mV, Max 400 mV, Vid = 1 V, VCC+ = 30 V, T = Tamb
Small signal response timeTyp 1.3 μs, RL = 5.1 kΩ to VCC+
Large signal response timeTyp 300 ns, Vi = TTL, Vref = 1.4 V, RL = 5.1 kΩ to VCC+
Absolute maximum ratings - Supply voltage±18 or 36 V
Absolute maximum ratings - Differential input voltage±36 V
Absolute maximum ratings - Input voltage-0.3 to 36 V
Absolute maximum ratings - Output voltage36 V
Absolute maximum ratings - Maximum junction temperature150 °C
Absolute maximum ratings - Storage temperature range-65 to 150 °C
Operating conditions - Supply voltage2 to 36 or ±1 to ±18 V
Operating conditions - Input common mode voltage range0 to (VCC+) - 1.5 V (Tamb = 25°C); 0 to (VCC+) - 2 V (Tmin ≤ Tamb ≤ Tmax)
Operating conditions - Operating free-air temperature range-40 to 125 °C
ESD - Human body model (HBM)1500 V
ESD - Machine model (MM)100 V
ESD - Charged device model (CDM)1000 V
All parameters (20)ExpandCollapse
Power
Current - Input Bias (Max)0.25µA @ 5V
Current - Output (Typ)16mA @ 5V
Current - Quiescent (Max)1.25mA
Voltage - Supply, Single/Dual (±)2V ~ 36V, ±1V ~ 18V
AC and DC characteristics
CMRR, PSRR (Typ)-
Propagation Delay (Max)-
Voltage - Input Offset (Max)5mV @ 30V
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C~125°C
PackageTape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / CaseSC-74A, SOT-753
Supplier Device PackageSOT-23-5
Other
Base Product NumberTS391
Hysteresis-
MfrSTMicroelectronics
Number of Elements1
Output TypeTTL, DTL, ECL, MOS, CMOS
Product StatusActive
Series-
TypeGeneral Purpose

Pinout and package

Figure 2. Pin connections (top…
Figure 2. Pin connections (top…
Package: SOT-23-5
PinNameFunctionSource
1OUT(Output)
2VCC+(Positive Supply)
3IN-(Inverting Input)
4IN+(Non-inverting Input)
5VCC-(Negative Supply)

Documents

DatasheetDatasheet · 2.0 MB · 2026-11-09DatasheetDatasheet · 1.3 MB · 2026-09-21DatasheetDatasheet · 693.8 KB · 2026-09-21
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