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.
786-9720
Mfr. Part No.LT6552IS8#PBF
BrandAnalog Devices
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MYR13.495
Each (In a Pack of 2)
units
|
Single | 3.3 V | - | 25mV | 300kΩ | - | 55MHz | 58dB | - | 1 | Surface Mount | SOIC | 8 | Rail to Rail Output |
|
RS Stock No.
661-2517
Mfr. Part No.THS4130CDGN
BrandTexas Instruments
|
MYR35.63
Each
units
|
Dual, Single | 5 V | ±15V | 2mV | 34MΩ | 78dB | 225MHz | 80dB | - | 1 | Surface Mount | MSOP | 8 | - |
|
RS Stock No.
709-5061
Mfr. Part No.AD8202WYRZ
BrandAnalog Devices
|
MYR19.71
Each
units
|
Single | 5 V, 9 V | - | 2mV | - | 40dB | - | 82dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
408-697
Mfr. Part No.LMH6552MA/NOPB
BrandTexas Instruments
|
MYR35.30
Each
units
|
Dual, Single | 5 V, 9 V | ±3 V, ±5 V | 16.5mV | 0.000015MΩ | 0dB | - | - | - | 1 | Surface Mount | SOIC | 8 | - |
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RS Stock No.
538-6595
Mfr. Part No.AD628ARMZ
BrandAnalog Devices
|
MYR21.25
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 | - |
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RS Stock No.
523-0199
Mfr. Part No.AD626ARZ
BrandAnalog Devices
|
MYR35.51
Each
units
|
Dual, Single | 5 V | ±5V | 2.5mV | 0.02MΩ | - | - | 55dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
877-9044
Mfr. Part No.ADA4940-1ACPZ-R2
BrandAnalog Devices
|
MYR23.86
Each (In a Pack of 2)
units
|
Single | 7 V | - | 0.35mV | 50MΩ | 99dB | 260MHz | 86dB | - | 1 | Surface Mount | LFCSP | 16 | Rail to Rail Output |
|
RS Stock No.
496-7165
Mfr. Part No.AD8137YRZ
BrandAnalog Devices
|
MYR11.66
Each (In a Pack of 5)
units
|
Dual, Single | 3 V, 5 V, 9 V | ±3 V, ±5 V | 2.7mV | 0.8MΩ | 0.172dB | - | 62dB | - | 1 | Surface Mount | SOIC | 8 | Rail to Rail Output |
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RS Stock No.
912-6237
Mfr. Part No.AD8275ARMZ
BrandAnalog Devices
|
MYR13.21
Each (In a Tube of 50)
units
|
Dual, Single | 5 V | ±3 V, ±5 V | - | 0.108MΩ | 13.98dB | - | 80dB | - | 1 | Surface Mount | MSOP | 8 | Rail to Rail Output |
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RS Stock No.
145-7818
Mfr. Part No.AD626BNZ
BrandAnalog Devices
|
MYR54.792
Each (In a Tube of 50)
units
|
Dual, Single | 2.4 → 10 V | ±1.2 → ±6V | 500µV | 200kΩ | - | 100kHz | 55dB | - | 1 | Through Hole | PDIP | 8 | - |
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RS Stock No.
877-8824
Mfr. Part No.AD8137YCPZ-R2
BrandAnalog Devices
|
MYR22.91
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 |
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RS Stock No.
496-7171
Mfr. Part No.AD8139ARDZ
BrandAnalog Devices
|
MYR34.52
Each
units
|
Dual, Single | 5 V, 9 V | ±3 V, ±5 V | 0.5mV | 1.5MΩ | 0.009dB | - | 75dB | - | 1 | Surface Mount | SOIC | 8 | Rail to Rail Output |
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RS Stock No.
145-7178
Mfr. Part No.AD8276BRZ
BrandAnalog Devices
|
MYR11.94
Each (In a Tube of 98)
units
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Dual, Single | 2 → 36 V | ±2 → ±18V | 0.5mV | 0.08MΩ | - | 550kHz | 80dB | - | 1 | Surface Mount | SOIC | 8 | Rail to Rail Output |
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RS Stock No.
145-6972
Mfr. Part No.AD8202WYRZ
BrandAnalog Devices
|
MYR14.898
Each (In a Tube of 98)
units
|
Single | 5 V, 9 V | - | 2mV | - | 40dB | - | 82dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
RS Stock No.
183-1989
Mfr. Part No.AD8475BRMZ
BrandAnalog Devices
|
MYR31.05
Each (In a Pack of 2)
units
|
Dual, Single | 3 → 10 V | ±1.5 to ±5V | - | 1.75kΩ | - | 150MHz | 86dB | Differential | 1 | Surface Mount | MSOP | 10 | Rail to Rail Input/Output |
|
RS Stock No.
162-5028
Mfr. Part No.INA2132U
BrandTexas Instruments
|
MYR22.765
Each (In a Tube of 50)
units
|
Dual, Single | 3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V | ±12 V, ±15 V, ±3 V, ±5 V, ±9 V | 0.5mV | 0.08MΩ | 0dB | - | 80dB | - | 2 | Surface Mount | SOIC | 14 | - |
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RS Stock No.
160-1725
Mfr. Part No.AD8208WBRMZ
BrandAnalog Devices
|
MYR13.21
Each (In a Tube of 50)
units
|
Single | 4.5 → 5.5 V | - | ±2mV | 220 (Common Mode) kΩ, 440 (Differential) kΩ | 10V/V | 70kHz | 80dB | - | 1 | Surface Mount | MSOP | 8 | - |
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RS Stock No.
497-3687
Mfr. Part No.AD8132ARMZ
BrandAnalog Devices
|
MYR17.59
Each
units
|
Dual, Single | 3 V, 5 V, 9 V | ±3 V, ±5 V | 3.5mV | 3MΩ | 0.129dB | - | - | - | 1 | Surface Mount | MSOP | 8 | - |
|
RS Stock No.
814-4013
Mfr. Part No.THS4531AID
BrandTexas Instruments
|
MYR13.348
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.
759-1297
Mfr. Part No.AD8276ARZ
BrandAnalog Devices
|
MYR10.61
Each
units
|
Dual, Single | 2 → 36 V | ±2 → ±18V | 0.5mV | 0.08MΩ | - | 550kHz | 80dB | - | 1 | Surface Mount | SOIC | 8 | Rail to Rail Output |
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