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OPA365AIDR

Operational Amplifier

The OPA365AIDR is a operational amplifier from Texas Instruments. View the full OPA365AIDR datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Manufacturer

Texas Instruments

Category

Operational Amplifier

Package

8-SOIC (0.154", 3.90mm Width)

Key Specifications

ParameterValue
Amplifier TypeStandard (General Purpose)
Input Bias Current0.2 pA
Current - Output / Channel65 mA
Current - Output / Channel65 mA
Quiescent Current4.6mA
Gain Bandwidth Product50 MHz
Mounting TypeSurface Mount
Number of Circuits1
Operating Temperature-40°C ~ 125°C
Output TypeRail-to-Rail
Package / Case8-SOIC (0.154", 3.90mm Width)
PackagingMouseReel
PackagingMouseReel
Slew Rate25V/µs
Standard Pack Qty2500
Standard Pack Qty2500
Supplier Device Package8-SOIC
Supplier Device Package8-SOIC
Input Offset Voltage100 µV
Supply Voltage Span (Max)5.5 V
Supply Voltage Span (Min)2.2 V

Overview

Part: OPAx365 — Texas Instruments

Type: Operational Amplifier

Description: The OPAx365 series are 50-MHz, zerø-crossover, low-distortion, high CMRR, rail-to-rail input/output CMOS operational amplifiers optimized for very low voltage, single-supply applications.

Operating Conditions:

  • Supply voltage: 2.2–5.5 V
  • Operating temperature: -40 to +125 °C (specified temperature)

Absolute Maximum Ratings:

  • Max supply voltage: 5.5 V
  • Max signal input current: 10 mA
  • Max junction temperature: 150 °C
  • Max storage temperature: 150 °C

Key Specs:

  • Gain Bandwidth Product (GBW): 50 MHz (VS = 5 V)
  • Input Offset Voltage (VOS): 100 μV (typ), 200 μV (max)
  • Input Bias Current (IB): ±0.2 pA (typ), ±10 pA (max)
  • Slew Rate (SR): 25 V/μs (VS = 5 V, G = 1)
  • Common-Mode Rejection Ratio (CMRR): 100 dB (min), 120 dB (typ)
  • Total Harmonic Distortion + Noise (THD+N): 0.0004% (VS = 5 V, RL = 600 Ω, VO = 4 VPP, G = 1, f = 1 kHz)
  • Input Voltage Noise Density (en): 4.5 nV/√Hz (f = 100 kHz)
  • Quiescent Current per amplifier (IQ): 4.6 mA (typ), 5 mA (max) (IO = 0 mA)

Features:

  • Zerø-Crossover Distortion Topology
  • Rail-to-Rail Input and Output
  • Input 100 mV Beyond Supply Rail
  • Low Noise: 4.5 nV/√Hz
  • Fast Settling: 0.3 μs to 0.01%
  • Low Offset: 100 μV
  • Low Input Bias Current: 0.2 pA

Applications:

  • Signal Conditioning
  • Data Acquisition
  • Process Control
  • Active Filters
  • Test Equipment
  • Audio
  • Wideband Amplifiers
  • Cell Phone Power Amplifier Control Loops

Package:

  • SOIC (8 pins)
  • SOT-23 (5 pins)

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

Applications

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

1

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/O
-IN24I
+IN33I
V-42-
V+75-
V OUT61O
NC1, 5, 8--

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 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
DifferentialDifferentialDifferential6pF
Common-modeCommon-mode2pF
OPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAINOPEN-LOOP GAIN
A OLR L = 10 k Ω , 100 mV < V O < (V+) - 100 mV, at 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
t0.1%V S = 5 V , 4-V step, G = +1200ns
SSettling time0.01%V S = 5 V, 4-V step, G = +1300ns

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

Recommended Operating Conditions

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

MINNOMMAXUNIT
Power supply voltage, (V+) - (V-)2.25.5V
Specified temperature- 40125°C
Operating temperature- 40150°C

Thermal Information

OPA365OPA365
THERMAL METRIC(1)DBV (SOT-23)D (SOIC)
5 PINS8 PINS
R θ JAJunction-to-ambient thermal resistance206.9140.1
R θ JC(top)Junction-to-case (top) thermal resistance69.489.8
R θ JBJunction-to-board thermal resistance34.280.6
ψ JTJunction-to-top characterization parameter1.828.7
ψ JBJunction-to-board characterization parameter33.980.1
R θ JC(bot)Junction-to-case (bottom) thermal resistancen/an/a

Typical Application

Figure 27. Microphone Preamplifier

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
OPA2365Texas InstrumentsSOIC (8)
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)
OPAX365Texas Instruments—
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