About Differential Amplifiers

Differential Amplifiers

Differential amplifiers are amplifiers that use two inputs; the difference between them is amplified. Differential amplifiers are used in a variety of applications, such as switching and voltage regulation. They are also used in analog-to-digital conversion circuits and in instrumentation circuits. A differential amplifier is composed of two transistors. The current flowing through one transistor is proportional to the difference between the two input signals. The output voltage is then the difference between the two input signals multiplied by the gain of the amplifier. Differential amplifiers provide several advantages over single-ended amplifiers. They are more immune to common-mode noise, which is noise present on both inputs, and they can provide more linear amplification. Additionally, they can be used to amplify signals with low input impedance. Differential amplifiers can be used in many types of applications, depending on the requirements of the application. For example, they can be used in precision amplifiers, audio amplifiers, servo amplifiers, and stability amplifiers.

Differential Amplifiers

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(Ex. GST)(▲▼)		Enter Qty SeriesNumber of ChannelsGBP - Gain Bandwidth ProductSR - Slew RateOperating Supply CurrentCMRR - Common Mode Rejection RatioOutput Current per ChannelSupply Current per ChannelIb - Input Bias CurrentVos - Input Offset VoltageSupply Voltage - MaxSupply Voltage - MinMinimum Operating TemperatureMaximum Operating TemperatureMounting StylePackage / CasePd - Power DissipationQualificationPackaging
  
                       
AD8479ARZ-RL


Differential Amplifiers Very High Common Mode VTG Prec
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Analog Devices 82
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AUD 8.6392
Multiples of: 1

Ad84791 Channel-7.5 V/Us550 uA80 Db55 mA  0.5 mV36 V5 V- 40 C+ 125 CSmd/SmtSOIC - 8  Cut Tape
THS4131IDGK


SP Amp DIFF AMP Single ±16.5V/33V 8-Pin VSSOP Tube
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Texas Instruments 80
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AUD 11.6346
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Ths41311 Channel  15 mA80 Db85 mA 6 uA2 mV33 V4 V- 40 C+ 85 CSmd/SmtVSSOP - 8385 mW Tube
AD628ARMZ-R7


Analog Devices Differential Amplifiers Hi CM Vltg Gain Prog
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Analog Devices 79
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AUD 6.1726
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Ad6281 Channel600 Khz0.3 V/Us 75 Db   1.5 mV36 V4.5 V- 40 C+ 85 CSmd/SmtMSOP - 8  Reel
AD8137YRZ-REEL


Differential Amplifiers Low Power/Cost Diff.10-12 Bit ADC Driver
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Analog Devices 77
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AUD 2.607
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Ad81371 Channel110 Mhz450 V/Us3.6 mA62 Db 3.6 mA0.9 uA @ 5 v2.6 mV11 V3 V- 40 C+ 125 CSmd/SmtSOIC - 8  Reel
THS4131CDGNG4


SP Amp DIFF AMP Single ±16.5V/33V 8-Pin HVSSOP EP Tube
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Texas Instruments 77
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AUD 10.7815
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Ths41311 Channel  15 mA80 Db150 mA 6 uA2 mV33 V4 V0 C+ 70 CSmd/SmtHVSSOP - 81710 mW Tube
THS4503IDGK


Differential Amplifiers Hi-Sp Fully-Diff Amp
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Texas Instruments 77
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AUD 12.9905
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Ths45031 Channel300 Mhz2.8 Kv/Us23 mA74 Db To 80 Db120 mA 4.6 uA4 mV15 V4.5 V- 40 C+ 85 CSmd/SmtMSOP - 8385 mW Tube
THS4502ID


Differential Amplifiers Hi-Sp Fully-Diff Amp
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Texas Instruments 77
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AUD 15.4631
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Ths45021 Channel300 Mhz2.8 Kv/Us23 mA74 Db To 80 Db120 mA 4.6 uA4 mV15 V4.5 V- 40 C+ 85 CSmd/SmtSOIC - 81020 mW Tube
HA1001EM


110MHz MSOP-8 Differential OpAmps ROHS
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QH MICRO-E 74
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AUD 6.0702
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THS4141ID


Differential Amplifiers High Speed
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Texas Instruments 74
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AUD 10.3846
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Ths41411 Channel 450 V/Us13.2 mA75 Db To 84 Db85 mA 15 uA7 mV33 V4 V- 40 C+ 85 CSmd/SmtSOIC - 81020 mW Tube
THS4501CD


Differential Amplifiers High-Speed Fully Differential +/-5 V
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Texas Instruments 72
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AUD 11.0031
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Ths45011 Channel300 Mhz2.8 Kv/Us23 mA74 Db120 mA 4.6 uA7 mV15 V4.5 V0 C+ 70 CSmd/SmtSOIC - 81020 mW Tube
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