Differential Amplifiers
What is a Differential Amplifier?A differential amplifier is a type of electronic amplifier that increases the difference between 2 input voltages. Differential amplifiers also suppress and voltage common to the two inputs. A digital amplifier is one on the most used and important components within integrated circuits.Differential Amplifier 2 inputs One inverting One non-invertingWhy use a Differential Amplifier?Differential amplifiers are used to amplify balanced differential signals which are used to communicate small signals in electrically noisy environments. The signal wires should be close or wired together and most of the induced noise with be common mode, affecting both wires in the same way.Differential Amplifier Applications.The main application of a differential amplifier is to get rid of any noise and voltages that are present in both of the voltage inputs. This noise is present in common mode fluctuating voltage. Differential amplifiers are used in circuits that utilise negative feedback, controlling motors and signal amplification.Various electronic devices use differential amplifiers. FM/Am Radio signal recovery Audio pre-amplifiers Microphone pre-amplifiers TV Signal recovery Digital to analogue convertersA Differential amplifier can be configured to operate as single ended amplifier by grounding one of the inputs.Modern differential amplifiers normally sit on a single microchip. Inside the microchip, positive and negative signals are added and become a single output.What is CMRR and PSRR?CMRR – Common mode rejection ratioPSSR – Power supply rejection ratio
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| Description | Price | Power Supply Type | Typical Single Supply Voltage | Typical Dual Supply Voltage | Maximum Input Offset Voltage | Maximum Input Resistance | Maximum Voltage Gain | Typical Gain Bandwidth Product | Minimum CMRR | Output Configuration | Number of Channels per Chip | Mounting Type | Package Type | Pin Count | Rail to Rail | |
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RS Stock No.
786-9733
Mfr. Part No.LT6600CS8-5#PBF
BrandAnalog Devices
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MYR29.55
Each
units
|
Dual, Single | 5 V | ±5V | 35mV | 7.7kΩ | - | - | - | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
154-6359
Mfr. Part No.LT1994CDD#PBF
BrandAnalog Devices
|
MYR12.015
Each (In a Tube of 121)
units
|
Single | 3 V | - | ±3mV | .0045MΩ | 100dB | 70MHz | 55dB | - | 2 | Surface Mount | DFN | 8 | Rail to Rail Input/Output |
|
RS Stock No.
121-6906
Mfr. Part No.AD8479ARZ
BrandAnalog Devices
|
MYR21.47
Each (In a Tube of 98)
units
|
Dual | - | ±2.5 → ±18V | 3mV | - | - | 130MHz | 80dB | - | 1 | Surface Mount | SOIC | 8 | Rail to Rail Output |
|
RS Stock No.
160-3354
Mfr. Part No.AD8207WBRZ
BrandAnalog Devices
|
MYR16.28
Each (In a Tube of 98)
units
|
Single | 3.3 → 5.5 V | - | 100µV | - | 20V/V | 150kHz | 80dB | - | 1 | Surface Mount | SOIC | 8 | No |
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RS Stock No.
145-6242
Mfr. Part No.AD8274ARMZ
BrandAnalog Devices
|
MYR10.149
Each (In a Tube of 50)
units
|
Dual | - | ±2.5 → ±18V | 1100µV | 9kΩ | - | 10MHz | 83dB | - | 1 | Surface Mount | MSOP | 8 | - |
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RS Stock No.
709-7109
Mfr. Part No.AD8350ARMZ20
BrandAnalog Devices
|
MYR25.97
Each
units
|
Single | 5 V, 9 V | - | 1mV | 0.0002MΩ | 21dB | - | - | - | 1 | Surface Mount | MSOP | 8 | - |
|
RS Stock No.
161-0129
Mfr. Part No.AMP03GSZ
BrandAnalog Devices
|
MYR22.99
Each (In a Tube of 98)
units
|
Dual | - | - | 0.75mV | - | - | - | 80dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
162-9811
Mfr. Part No.LMH3401IRMST
BrandTexas Instruments
|
MYR82.032
Each (On a Reel of 250)
units
|
Single | 5 V | - | - | 29(Differential) Ω, 55 (Single) Ω | 16dB | 4 (Small Signal) GHz, 7 (Large Signal) GHz | - | - | 1 | Surface Mount | UQFN | 14 | - |
|
RS Stock No.
145-6433
Mfr. Part No.AD8278BRMZ
BrandAnalog Devices
|
MYR11.94
Each (In a Tube of 50)
units
|
Dual, Single | 2 → 36 V | ±2 → ±18V | 500µV | 120kΩ | - | 1MHz | 74dB | - | 1 | Surface Mount | MSOP | 8 | - |
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RS Stock No.
162-5518
Mfr. Part No.THS4130CDGN
BrandTexas Instruments
|
MYR30.43
Each (In a Tube of 80)
units
|
Dual, Single | 5 V | ±15V | 2mV | 34MΩ | 78dB | 225MHz | 80dB | - | 1 | Surface Mount | MSOP | 8 | - |
|
RS Stock No.
851-6875
Mfr. Part No.LTC1992-2CMS8#PBF
BrandAnalog Devices
|
MYR39.56
Each
units
|
Dual, Single | 2.7 11 V | ±5V | ±18mV | 500MΩ | 80dB | 3.2MHz | 69dB | - | 1 | Surface Mount | MSOP | 8 | Rail to Rail Output |
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RS Stock No.
517-0340
Mfr. Part No.THS4140ID
BrandTexas Instruments
|
MYR41.84
Each
units
|
Dual, Single | 5 V | ±15V | 7mV | 14.4MΩ | 67dB | - | 75dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
162-5551
Mfr. Part No.TL592B-8D
BrandTexas Instruments
|
MYR5.85
Each (In a Tube of 75)
units
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Dual | - | ±6V | - | 0.004MΩ | - | - | 60dB | - | 1 | Surface Mount | SOIC | 8 | - |
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RS Stock No.
497-3700
Mfr. Part No.AD8132ARZ
BrandAnalog Devices
|
MYR17.63
Each
units
|
Dual, Single | 3 V, 5 V, 9 V | ±3 V, ±5 V | 3.5mV | 3MΩ | 0.129dB | - | - | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
806-8010
Mfr. Part No.AD8479ARZ
BrandAnalog Devices
|
MYR30.95
Each
units
|
Dual | - | ±2.5 → ±18V | 3mV | - | - | 130MHz | 80dB | - | 1 | Surface Mount | SOIC | 8 | Rail to Rail Output |
|
RS Stock No.
159-9267
Mfr. Part No.ADA4932-2YCPZ-R7
BrandAnalog Devices
|
MYR42.45
Each (On a Reel of 1500)
units
|
Dual, Single | 3 → 11 V | ±5V | 2.2mV | 11MΩ | 66dB | 1GHz | -100dB | - | 2 | Surface Mount | LFCSP VQ | 24 | - |
|
RS Stock No.
660-5314
Mfr. Part No.INA154U
BrandTexas Instruments
|
MYR15.68
Each
units
|
Dual | - | ±15V | 0.75mV | 0.05MΩ | 0dB | - | 80dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
814-4013
Mfr. Part No.THS4531AID
BrandTexas Instruments
|
MYR13.62
Each (In a Pack of 5)
units
|
Single | 2.5 → 5.5 V | - | ±2000µV | - | 113dB | 27MHz | 90dB | - | 1 | Surface Mount | SOIC | 8 | Rail to Rail Output |
|
RS Stock No.
697-7221
Mfr. Part No.AD8138AARMZ
BrandAnalog Devices
|
MYR31.88
Each
units
|
Dual | - | ±5V | 2.5mV | 6MΩ | 1.0045V/V | 320MHz | - | - | 1 | - | - | - | - |
|
RS Stock No.
145-7532
Mfr. Part No.INA133U
BrandTexas Instruments
|
MYR13.57
Each (In a Tube of 75)
units
|
Dual, Single | 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V | ±15V | 0.75mV | 0.05MΩ | 0dB | - | 80dB | - | 1 | Surface Mount | SOIC | 8 | - |
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