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OPA2365

Operational Amplifier

The OPA2365 is a operational amplifier from Texas Instruments. View the full OPA2365 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

OPA2365 shares its datasheet with OPA365, whose page lists every part number it covers.

Official OPA2365 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

Category

Operational Amplifiers

Package

SOIC (8)

OPA2365 Key Specifications

ParameterValue
Input offset voltage100 µV typ, 200 µV max (TA = 25 °C); drift 1 µV/°C typ
Input bias current±0.2 pA typ, ±10 pA max
CMRR100 dB min, 120 dB typ (full common-mode range, -40 to +125 °C)
Open-loop gain100 dB min, 120 dB typ (RL = 10 kΩ)
Gain-bandwidth50 MHz typ; slew rate 25 V/µs (VS = 5 V, G = 1)
Settling time200 ns to 0.1%, 300 ns to 0.01% (VS = 5 V, 4-V step, G = +1)
Noise4.5 nV/√Hz at 100 kHz; 5 µVPP (0.1–10 Hz)
Quiescent current4.6 mA typ, 5 mA max per amplifier
Short-circuit current±65 mA; output swing within 10 mV typ of rail (RL = 10 kΩ)

OPA2365 Overview

Part: OPA365 / OPA2365 — Texas Instruments

Type: Zero-Crossover Rail-to-Rail Input/Output CMOS Operational Amplifier

Description: 50 MHz gain-bandwidth, 2.2–5.5 V single-supply, rail-to-rail I/O CMOS op amp with 100 dB (min) CMRR, 100 µV typical offset, and 0.0004% THD+N.

Operating Conditions:

  • Supply voltage: 2.2–5.5 V
  • Specified temperature: -40 to +125 °C (operating up to +150 °C)
  • Input common-mode range: (V-) - 0.1 V to (V+) + 0.1 V

Absolute Maximum Ratings:

  • Max supply voltage: 5.5 V
  • Signal input terminal current: ±10 mA
  • Signal input terminal voltage: -0.5 to 0.5 V (per the abs-max table, relative to the supply rails)
  • Max junction temperature: 150 °C
  • Storage temperature: -65 to 150 °C
  • Output short-circuit: continuous

Key Specs:

  • Input offset voltage: 100 µV typ, 200 µV max (TA = 25 °C); drift 1 µV/°C typ
  • Input bias current: ±0.2 pA typ, ±10 pA max
  • CMRR: 100 dB min, 120 dB typ (full common-mode range, -40 to +125 °C)
  • Open-loop gain: 100 dB min, 120 dB typ (RL = 10 kΩ)
  • Gain-bandwidth: 50 MHz typ; slew rate 25 V/µs (VS = 5 V, G = 1)
  • Settling time: 200 ns to 0.1%, 300 ns to 0.01% (VS = 5 V, 4-V step, G = +1)
  • Noise: 4.5 nV/√Hz at 100 kHz; 5 µVPP (0.1–10 Hz)
  • Quiescent current: 4.6 mA typ, 5 mA max per amplifier
  • Short-circuit current: ±65 mA; output swing within 10 mV typ of rail (RL = 10 kΩ)

Features:

  • Zero-crossover distortion input topology
  • Rail-to-rail input and output; input extends 100 mV beyond supply rails
  • THD+N: 0.0004%
  • Fast settling: 0.3 µs to 0.01%
  • Internal ESD protection with current-steering diodes on all pins
  • Single (OPA365) and dual (OPA2365) versions with identical specifications

Applications:

  • Signal conditioning
  • Data acquisition
  • Process control
  • Active filters
  • Test equipment
  • Audio
  • Wideband amplifiers
  • ADC driving

Package:

  • SOT-23 (5), DBV: 2.90 mm × 1.60 mm (OPA365)
  • SOIC (8), D: 4.90 mm × 3.91 mm (OPA365, OPA2365)

OPA2365 Features

  • 1 · Gain Bandwidth: 50 MHz

  • Zerø-Crossover Distortion Topology:

  • -Excellent THD+N: 0.0004%

  • -CMRR: 100 dB (Minimum)

  • -Rail-to-Rail Input and Output

  • -Input 100 mV Beyond Supply Rail

  • Low Noise: 4.5 nV/ √ Hz at 100 kHz

  • Slew Rate: 25 V/μs

  • Fast Settling: 0.3 μ s to 0.01%

  • Precision:

  • 2.2-V to 5.5-V Operation

  • Low Offset: 100 μV

  • Low Input Bias Current: 0.2 pA

OPA2365 Applications

  • Signal Conditioning
  • Data Acquisition
  • Process Control
  • Active Filters
  • Test Equipment
  • Audio
  • Wideband Amplifiers

1

OPA2365 Pin Configuration

OPA365: DBV Package 5-Pin SOT-23 Top View

OPA365: D Package 8-Pin SOIC Top View

  • (1) NC denotes no internal connection.

OPA2365: D Package 8-Pin SOIC Top View

Pin Functions: OPA365

PINPINPINI/O
NAMESOICSOTI/ODESCRIPTION
-IN24INegative (inverting) input
+IN33IPositive (noninverting) input
V-42-Negative (lowest) power supply
V+75-Positive (highest) power supply
V OUT61OOutput
NC1, 5, 8--No internal connection (can be left floating)

OPA2365 Electrical Characteristics

At TA = 25°C, RL = 10 k Ω connected to VS/2, VCM = VS/2, and VOUT = VS/2, unless otherwise noted.

PARAMETERPARAMETERPARAMETERTEST CONDITIONSMINTYPMAXUNIT
OFFSET VOLTAGEOFFSET VOLTAGEOFFSET VOLTAGEOFFSET VOLTAGEOFFSET VOLTAGEOFFSET VOLTAGEOFFSET VOLTAGEOFFSET VOLTAGE
V OSInput offset voltageInput offset voltage100200μV
dV OS /dTInput offset voltage versus driftInput offset voltage versus driftAt T A = - 40°C to +125°C1μV/°C
PSRRInput offset voltage versus power supplyInput offset voltage versus power supplyV S = 2.2 V to 5.5 V, at T A = - 40°C to +125°C10μV/V
Channel separation, DCChannel separation, DC0.2μV/V
INPUT BIAS CURRENTINPUT BIAS CURRENTINPUT BIAS CURRENTINPUT BIAS CURRENTINPUT BIAS CURRENTINPUT BIAS CURRENT
±0.2		INPUT BIAS CURRENT
±10		INPUT BIAS CURRENT
pA
I BInput bias current Over temperatureInput bias current Over temperatureAt T A = - 40°C to +125°CSee Typical CharacteristicsSee Typical CharacteristicsSee Typical Characteristics
I OSInput offset currentInput offset current±0.2±10pA
NOISENOISENOISENOISENOISENOISENOISENOISE
e nInput voltage noiseInput voltage noisef = 0.1 Hz to 10 Hz5μV PP
e nInput voltage noise densityInput voltage noise densityf = 100 kHz4.5nV/ √ Hz
i nInput current noise densityInput current noise densityf = 10 kHz4fA/ √ Hz
INPUT VOLTAGE RANGEINPUT VOLTAGE RANGEINPUT VOLTAGE RANGEINPUT VOLTAGE RANGEINPUT VOLTAGE RANGEINPUT VOLTAGE RANGEINPUT VOLTAGE RANGEINPUT VOLTAGE RANGE
V CMCommon-mode voltage rangeCommon-mode voltage range(V-) - 0.1(V+) + 0.1V
CMRRCommon-mode rejection ratioCommon-mode rejection ratio(V - ) - 0.1 V ≤ V CM ≤ (V+) + 0.1 V, at T A = - 40°C to +125°C100120dB
INPUT CAPACITANCEINPUT CAPACITANCEINPUT CAPACITANCEINPUT CAPACITANCEINPUT CAPACITANCEINPUT CAPACITANCEINPUT CAPACITANCEINPUT CAPACITANCE
DifferentialDifferential6pF
Common-modeCommon-mode2pF
OPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAIN
A OLR L atR L at= 10 k Ω , 100 mV < V O < (V+) - 100 mV, T A = - 40°C to +125°C100120dB
A OLOpen-loop voltage gainOpen-loop voltage gainR L = 600 Ω , 200 mV < V O < (V+) - 200 mV100120dB
A OLR L = 600 Ω , 200 mV < V O < (V+) - 200 mV, at T A = - 40°C to +125°C94dB
FREQUENCY RESPONSEFREQUENCY RESPONSEFREQUENCY RESPONSEFREQUENCY RESPONSEFREQUENCY RESPONSEFREQUENCY RESPONSEFREQUENCY RESPONSEFREQUENCY RESPONSE
GBWGain-bandwidth productGain-bandwidth productV S = 5 V50MHz
SRSlew rateSlew rateV S = 5 V , G = 125V/μs
t S0.1%V S = 5 V , 4-V step, G = +1200ns
t SSettling time0.01%V S = 5 V, 4-V step, G = +1300ns

OPA2365 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted) (1)

MINMAXUNIT
VoltageSupply voltage5.5V
VoltageSignal input terminals, voltage (2)-0.50.5V
Signal input terminals, current (2)-1010mA
Output short-circuit (3)ContinuousContinuous
Operating, T A-40150°C
Junction, T J150°C
Storage, T stg-65150°C

OPA2365 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

MINNOMMAXUNIT
Power supply voltage, (V+) - (V-)2.25.5V
Specified temperature- 40+125°C
Operating temperature- 40+150°C

OPA2365 Thermal Information

THERMAL METRIC(1)OPA365 - DBV (SOT-23) - 5 PINSOPA365 - D (SOIC) - 8 PINSUNIT
R θ JAJunction-to-ambient thermal resistance206.9140.1°C/W
R θ JC(top)Junction-to-case (top) thermal resistance69.489.8°C/W
R θ JBJunction-to-board thermal resistance34.280.6°C/W
ψ JTJunction-to-top characterization parameter1.828.7°C/W
ψ JBJunction-to-board characterization parameter33.980.1°C/W
R θ JC(bot)Junction-to-case (bottom) thermal resistancen/an/a°C/W

OPA2365 Typical Application

Figure 27. Microphone Preamplifier

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
OPA365Texas InstrumentsSOIC (8)
OPA365-EPTexas Instruments—
OPA365-Q1Texas Instruments—
OPA365AIDTexas Instruments8-SOIC (0.154", 3.90mm Width)
OPA365AIDG4Texas Instruments8-SOIC (0.154", 3.90mm Width)
OPA365AIDRTexas Instruments8-SOIC (0.154", 3.90mm Width)
OPAX365Texas Instruments—

Other Operational Amplifiers

  • LM358 – onsemi, Dual Operational Amplifier
  • NE5532 – Texas Instruments, Dual Operational Amplifier
  • AD623A – Analog Devices, Rail-to-Rail Instrumentation Amplifier
  • AD623ARMZ-REEL7 – Analog Devices, Rail-to-Rail Instrumentation Amplifier
  • AD623ARZ – Analog Devices, Rail-to-Rail Instrumentation Amplifier
  • AD623ARZ-RL – Analog Devices, Rail-to-Rail Instrumentation Amplifier
  • AD623B – Analog Devices, Rail-to-Rail Instrumentation Amplifier
  • AD623BNZ – Analog Devices, Rail-to-Rail Instrumentation Amplifier

All Operational Amplifiers datasheetsAll Texas Instruments datasheets (2,418)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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