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
  
                       
THS4121IDGK


Differential Amplifiers Fully Differential CMOS
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Texas Instruments 345
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AUD 6.6923
Multiples of: 1

Ths41211 Channel 55 V/Us11 mA64 Db To 96 Db100 mA 1.2 pA8 mV3.5 V3 V- 40 C+ 85 CSmd/SmtMSOP - 8385 mW Tube
INA117PG4


Differential Amplifiers V Diff Amp
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Texas Instruments 335
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AUD 8.3462
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Ina1171 Channel 2.6 V/Us1.5 mA86 Db   1000 uV36 V10 V- 40 C+ 85 CThrough HolePDIP - 8  Tube
LMH6553SDE/NOPB


Differential Amplifiers 900Mhz Diff Amp W/ Clamp
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Texas Instruments 330
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AUD 8.7115
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Lmh65531 Channel 2.3 Kv/Us29 mA72 Db To 82 Db  95 uA 12 V4.5 V- 40 C+ 125 CSmd/SmtLLP - 8  Reel
THS4521ID


Differential Amplifiers Very low pwr R-R out put fully Diff amp
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Texas Instruments 308
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AUD 3.8516
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Ths45211 Channel145 Mhz490 V/Us1.14 mA80 Db To 102 Db  0.9 uA2 mV5.5 V3 V- 40 C+ 85 CSmd/SmtSOIC - 8  Tube
AD629ARZ


Differential Amplifiers SOIC High CM Vltg Difference Amplifier
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Analog Devices 300
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AUD 5.6006
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Ad6291 Channel500 Khz2.1 V/Us0.9 mA77 Db   0.2 mV  - 40 C+ 85 CSmd/SmtSOIC - 8  Tube
INA2143UA


Differential Amplifiers Hi-Sp Precision G=10 or G=0.1s
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Texas Instruments 291
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AUD 3.9048
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Ina2143           - 40 C+ 85 CSmd/SmtSOIC - 14  Tube
ADA4941-1YRZ-R7


Differential Amplifiers Single Supply 16 to18 bit Diff ADC Drvr
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Analog Devices 289
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AUD 7.7199
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Ada4941 - 11 Channel30 Mhz22 V/Us2.3 mA105 Db25 mA2.3 mA4.5 uA0.8 mV12 V2.7 V- 40 C+ 125 CSmd/SmtSOIC - 8  Reel
EL5371IUZ


Differential Amplifiers EL5371IUZ TPL 200MHZ DIFF DRVR EXT FE
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Renesas 286
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AUD 4.3654
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EL5371IU


Differential Amplifiers Line Rec DIFF 250MHZ
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Renesas 277
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AUD 5.8846
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ISL55210IRTZ


Differential Amplifiers ISL59603IRZ AUTO EQ OF COMPOSITE VID
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Renesas 277
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AUD 10.2438
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Isl552101 Channel4 Mhz  56 Db  120 uA1.4 mV4.2 V3 V- 40 C+ 85 CSmd/SmtTQFN EP  Tube
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