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.
764-8797
Mfr. Part No.ADA4950-2YCPZ-R7
BrandAnalog Devices
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MYR47.63
Each
units
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Dual, Single | 3 → 11 V | ±5V | 2.5mV | 32kΩ | 66dB | 750MHz | -64dB | - | 2 | Surface Mount | LFCSP VQ | 24 | - |
|
RS Stock No.
162-5520
Mfr. Part No.THS4141CD
BrandTexas Instruments
|
MYR35.153
Each (In a Tube of 75)
units
|
Dual, Single | 5 V | ±15V | 7mV | 14.4MΩ | 67dB | - | 75dB | - | 1 | Surface Mount | SOIC | 8 | - |
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RS Stock No.
697-7521
Mfr. Part No.ADA4932-1YCPZ-R2
BrandAnalog Devices
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MYR38.99
Each
units
|
Dual, Single | 5 V, 9 V | ±3 V, ±5 V | 2.2mV | 16MΩ | 66dB | - | 87dB | - | 1 | Surface Mount | LFCSP | 16 | - |
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RS Stock No.
159-9267
Mfr. Part No.ADA4932-2YCPZ-R7
BrandAnalog Devices
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MYR42.45
Each (On a Reel of 1500)
units
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Dual, Single | 3 → 11 V | ±5V | 2.2mV | 11MΩ | 66dB | 1GHz | -100dB | - | 2 | Surface Mount | LFCSP VQ | 24 | - |
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RS Stock No.
162-5292
Mfr. Part No.THS4131IDGN
BrandTexas Instruments
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MYR42.688
Each (In a Tube of 80)
units
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Dual, Single | 5 V | ±15V | 2mV | 34MΩ | 78dB | 225MHz | 80dB | - | 1 | Surface Mount | MSOP | 8 | - |
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RS Stock No.
153-3156
Mfr. Part No.AD8390AACPZ-R7
BrandAnalog Devices
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MYR8.984
Each (On a Reel of 1500)
units
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Dual, Single | - | - | +3V | - | - | 45MHz | 58dB | Differential | 2 | Surface Mount | LFCSP | 16 | No |
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RS Stock No.
145-7532
Mfr. Part No.INA133U
BrandTexas Instruments
|
MYR14.096
Each (In a Tube of 75)
units
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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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RS Stock No.
697-6953
Mfr. Part No.AD598JRZ
BrandAnalog Devices
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MYR231.37
Each
units
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- | - | - | - | - | - | - | - | - | - | Surface Mount | SOIC W | 20 | - |
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RS Stock No.
877-9044
Mfr. Part No.ADA4940-1ACPZ-R2
BrandAnalog Devices
|
MYR25.54
Each (In a Pack of 2)
units
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Single | 7 V | - | 0.35mV | 50MΩ | 99dB | 260MHz | 86dB | - | 1 | Surface Mount | LFCSP | 16 | Rail to Rail Output |
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RS Stock No.
197-7164
Mfr. Part No.INA148UA
BrandTexas Instruments
|
MYR25.497
Each (In a Tube of 75)
units
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Dual | 2.7 → 36 V | - | ±5mV | - | - | 100kHz | - | - | 1 | - | SOIC | 8 | - |
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RS Stock No.
538-6595
Mfr. Part No.AD628ARMZ
BrandAnalog Devices
|
MYR22.73
Each
units
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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.
660-6540
Mfr. Part No.INA2132U
BrandTexas Instruments
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MYR25.81
Each
units
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Dual, Single | 12 V, 15 V, 18 V, 24 V, 28 V, 3 V, 5 V, 9 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.
197-7167
Mfr. Part No.INA149AID
BrandTexas Instruments
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MYR27.70
Each (In a Pack of 2)
units
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Dual, Single | - | ±2 to ±18V | 1100µV | - | - | 500kHz | - | - | 1 | - | SOIC | 8 | - |
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RS Stock No.
462-0715
Mfr. Part No.THS4130ID
BrandTexas Instruments
|
MYR36.92
Each
units
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Dual, Single | 5 V | ±15V | 2mV | 34MΩ | 78dB | 225MHz | 80dB | - | 1 | Surface Mount | SOIC | 8 | - |
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RS Stock No.
100-3827
Mfr. Part No.INA133UA
BrandTexas Instruments
|
MYR11.86
Each (In a Tube of 75)
units
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Dual, Single | 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V | ±15V | 1.5mV | 0.05MΩ | 0dB | - | 74dB | - | 1 | Surface Mount | SOIC | 8 | - |
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RS Stock No.
764-8791
Mfr. Part No.ADA4960-1ACPZ-R7
BrandAnalog Devices
|
MYR59.57
Each
units
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Single | 5 V | - | - | 10kΩ | 18dB | 5GHz | 60dB | - | 1 | Surface Mount | LFCSP WQ | 16 | - |
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RS Stock No.
162-4858
Mfr. Part No.THS4130ID
BrandTexas Instruments
|
MYR30.496
Each (In a Tube of 75)
units
|
Dual, Single | 5 V | ±15V | 2mV | 34MΩ | 78dB | 225MHz | 80dB | - | 1 | Surface Mount | SOIC | 8 | - |
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RS Stock No.
851-6821
Mfr. Part No.LT6350CMS8#PBF
BrandAnalog Devices
|
MYR26.32
Each (In a Pack of 2)
units
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Single | 2.7 → 12 V | - | 1.5mV | 4MΩ | - | 115MHz | 96dB | - | 2 | Surface Mount | MSOP | 8 | Rail to Rail Input/Output |
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RS Stock No.
218-8382
Mfr. Part No.INA117KU
BrandTexas Instruments
|
MYR31.50
Each
units
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Dual | - | ±15V | 2mV | 0.8MΩ | 0dB | - | 66dB | - | 1 | Surface Mount | SOIC | 8 | - |
|
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RS Stock No.
197-7141
Mfr. Part No.INA117KU
BrandTexas Instruments
|
MYR43.27
Each
units
|
Dual | 12 V | ±15V | 1000µV | - | - | 200kHz | - | - | 1 | - | SOIC | 8 | - |
