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.
912-6145
Mfr. Part No.AD698APZ
BrandAnalog Devices
|
SGD87.574
Each (In a Tube of 39)
units
|
- | 17.5 V | 13V | - | - | - | - | - | - | - | Surface Mount | PLCC | 28 | - |
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|
RS Stock No.
697-6988
Mfr. Part No.AD698APZ
BrandAnalog Devices
|
SGD55.43
Each
units
|
- | 17.5 V | 13V | - | - | - | - | - | - | - | Surface Mount | PLCC | 28 | - |
|
RS Stock No.
538-6595
Mfr. Part No.AD628ARMZ
BrandAnalog Devices
|
SGD7.83
Each
units
|
Dual, Single | 12 V, 15 V, 18 V, 24 V, 28 V, 5 V, 9 V | ±12 V, ±15 V, ±3 V, ±5 V, ±9 V | 3mV | 0.22MΩ | 40dB | - | 75dB | - | 2 | Surface Mount | MSOP | 8 | - |
|
RS Stock No.
851-6821
Mfr. Part No.LT6350CMS8#PBF
BrandAnalog Devices
|
SGD9.77
Each (In a Pack of 2)
units
|
Single | 2.7 12 V | - | 1.5mV | 4MΩ | - | 115MHz | 96dB | - | 2 | Surface Mount | MSOP | 8 | Rail to Rail Input/Output |
|
RS Stock No.
912-7561
Mfr. Part No.AD628ARMZ
BrandAnalog Devices
|
SGD5.998
Each (In a Tube of 50)
units
|
Dual, Single | 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V | ±12 V, ±15 V, ±3 V, ±5 V, ±9 V | 3mV | 0.22MΩ | 40dB | - | 75dB | - | 2 | Surface Mount | MSOP | 8 | - |
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RS Stock No.
177-7172
Mfr. Part No.LT6350CMS8#PBF
BrandAnalog Devices
|
SGD6.268
Each (In a Tube of 50)
units
|
Single | 2.7 12 V | - | 1.5mV | 4MΩ | - | 115MHz | 96dB | - | 2 | Surface Mount | MSOP | 8 | Rail to Rail Input/Output |
|
RS Stock No.
230-551
Mfr. Part No.AD629ARZ
BrandAnalog Devices
|
SGD10.94
Each
units
|
Dual | - | ±12 V, ±15 V, ±3 V, ±5 V, ±9 V | 1mV | 0.8MΩ | 0dB | - | 77dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
809-9288
Mfr. Part No.AD8207WBRZ
BrandAnalog Devices
|
SGD7.97
Each
units
|
Single | 3.3 → 5.5 V | - | 100µV | - | 20V/V | 150kHz | 80dB | - | 1 | Surface Mount | SOIC | 8 | No |
|
RS Stock No.
759-0042
Mfr. Part No.AD8276ARMZ
BrandAnalog Devices
|
SGD4.08
Each
units
|
Dual, Single | 2 → 36 V | ±2 → ±18V | 0.5mV | 0.08MΩ | - | 550kHz | 80dB | - | 1 | Surface Mount | MSOP | 8 | Rail to Rail Output |
|
RS Stock No.
100-0744
Mfr. Part No.INA105KP
BrandTexas Instruments
|
SGD11.593
Each (In a Tube of 50)
units
|
Dual | - | ±15V | 0.5mV | 0.05MΩ | 0dB | - | 72dB | - | 1 | Through Hole | PDIP | 8 | - |
|
|
RS Stock No.
647-659
Mfr. Part No.INA105KP
BrandTexas Instruments
|
SGD13.86
Each
units
|
Dual | - | ±15V | 0.5mV | 0.05MΩ | 0dB | - | 72dB | - | 1 | Through Hole | PDIP | 8 | - |
|
|
RS Stock No.
160-3354
Mfr. Part No.AD8207WBRZ
BrandAnalog Devices
|
SGD5.88
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.
106-6377
Mfr. Part No.AD629ARZ
BrandAnalog Devices
|
SGD8.653
Each (In a Tube of 98)
units
|
Dual | - | ±12 V, ±15 V, ±3 V, ±5 V, ±9 V | 1mV | 0.8MΩ | 0dB | - | 77dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
155-7495
Mfr. Part No.LTC6406IUD#PBF
BrandAnalog Devices
|
SGD9.092
Each (In a Tube of 121)
units
|
Single | 2.7 3.5 V | - | ±5mV | 130 (Common Mode) kΩ, 3 (Differential Mode) kΩ | 90dB | 3GHz | - | - | 1 | Surface Mount | QFN | 16 | Rail to Rail Input |
|
RS Stock No.
160-1735
Mfr. Part No.AD8278ARZ
BrandAnalog Devices
|
SGD3.433
Each (In a Tube of 98)
units
|
Dual, Single | 2 → 36 V | ±2 → ±18V | - | - | - | - | 80dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
912-9936
Mfr. Part No.ADA4940-2ACPZ-R7
BrandAnalog Devices
|
SGD6.169
Each (On a Reel of 1500)
units
|
Single | 5 V | - | 0.35mV | 33kΩ | 99dB | 260MHz | 86dB | - | 2 | Surface Mount | LFCSP VQ | 24 | Rail to Rail Output |
|
RS Stock No.
778-5118
Mfr. Part No.AD8476BRMZ
BrandAnalog Devices
|
SGD9.21
Each
units
|
Dual | 3 to 18 V | ±1.5 to ±9V | - | 500kΩ | 1V/V | 6MHz | 90dB | - | 1 | Surface Mount | MSOP | 8 | Rail to Rail Output |
|
RS Stock No.
877-8824
Mfr. Part No.AD8137YCPZ-R2
BrandAnalog Devices
|
SGD7.525
Each (In a Pack of 2)
units
|
Dual, Single | 12 V | ±6V | 2.75mV | 800kΩ | 91dB | 110MHz | 62dB | - | 1 | Surface Mount | LFCSP | 8 | Rail to Rail Output |
|
RS Stock No.
912-7378
Mfr. Part No.AD626ANZ
BrandAnalog Devices
|
SGD14.818
Each (In a Tube of 50)
units
|
Dual, Single | 5 V | ±5V | 2.5mV | 0.02MΩ | - | - | 55dB | - | 1 | Through Hole | PDIP | 8 | - |
|
RS Stock No.
162-5023
Mfr. Part No.INA154UA
BrandTexas Instruments
|
SGD3.41
Each (In a Tube of 75)
units
|
Dual | - | ±15V | 1.5mV | 0.05MΩ | 0dB | - | 74dB | - | 1 | Surface Mount | SOIC | 8 | - |
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