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OPA365-Q1

Operational Amplifier

The OPA365-Q1 is a operational amplifier from Texas Instruments. View the full OPA365-Q1 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

OPA365-Q1 shares its datasheet with OPA365, whose page lists every part number it covers.

Official OPA365-Q1 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

Category

Operational Amplifiers

OPA365-Q1 Key Specifications

ParameterValue
CMRR100 dB (min)
THD+N0.0004%
Slew Rate25 V/µs
Input/OutputRail-to-rail, input extends 100 mV beyond supply rails
Output SwingWithin 10 mV of rails
Settling Time0.3 µs to 0.01%
Gain Bandwidth50 MHz
Input Bias Current0.2 pA
Input Voltage Noise4.5 nV/√Hz at 100 kHz
Input Offset Voltage100 µV
Supply Voltage Range2.2V to 5.5V
Specified Temperature Range-40°C to +125°C

OPA365-Q1 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)

OPA365-Q1 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

OPA365-Q1 Applications

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

1

OPA365-Q1 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)

OPA365-Q1 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

OPA365-Q1 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

OPA365-Q1 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

OPA365-Q1 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

OPA365-Q1 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
OPA2365Texas InstrumentsSOIC (8)
OPA365Texas InstrumentsSOIC (8)
OPA365-EPTexas 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)

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