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
RS Stock No. 923-2433
Mfr. Part No.LMH6552MA/NOPB
MYR26.795
Each (In a Tube of 95)
units
Dual, Single 5 V, 9 V ±3 V, ±5 V 16.5mV 0.000015MΩ 0dB - - - 1 Surface Mount SOIC 8 -
RS Stock No. 162-5518
Mfr. Part No.THS4130CDGN
MYR31.24
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. 697-6988
Mfr. Part No.AD698APZ
MYR178.87
Each
units
- 17.5 V 13V - - - - - - - Surface Mount PLCC 28 -
RS Stock No. 811-5771
Mfr. Part No.LMH6881SQE/NOPB
MYR33.65
Each
units
Single 5 V - - 100Ω 26dB 2.4GHz -40dB - 1 Surface Mount WQFN 24 -
RS Stock No. 160-2822
Mfr. Part No.AD8137YCPZ-R2
MYR14.24
Each (On a Reel of 250)
units
Dual, Single 12 V ±6V 2.75mV 800kΩ 91dB 110MHz 62dB - 1 Surface Mount LFCSP 8 Rail to Rail Output
RS Stock No. 761-8588
Mfr. Part No.LT1994CDD#PBF
MYR16.81
Each
units
Single 3 V - ±3mV .0045MΩ 100dB 70MHz 55dB - 2 Surface Mount DFN 8 Rail to Rail Input/Output
RS Stock No. 661-2514
Mfr. Part No.THS4130CD
MYR34.64
Each
units
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 100-3830
Mfr. Part No.INA146UA
MYR19.96
Each (In a Tube of 75)
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 10mV 0.11MΩ 40dB - 70dB - 1 Surface Mount SOIC 8 -
RS Stock No. 158-0520
Mfr. Part No.AD8138AARMZ
MYR22.44
Each (In a Tube of 50)
units
Dual - ±5V 2.5mV 6MΩ 1.0045V/V 320MHz - - 1 - - - -
RS Stock No. 197-7132
Mfr. Part No.INA105KU
MYR35.868
Each (In a Tube of 75)
units
Single 12 V ±18V 50µV - - 1MHz - - 1 - SOIC 8 -
RS Stock No. 807-1665
Mfr. Part No.ADA4927-1YCPZ-R2
MYR45.66
Each
units
Dual, Single 5 V ±5V 5.2mV 7.5kΩ 1V/V 2GHz -70dB - 1 Surface Mount LFCSP 16 -
RS Stock No. 922-3221
Mfr. Part No.INA159AIDGKT
MYR13.433
Each (On a Reel of 250)
units
- - - - - - - - - - - - - -
RS Stock No. 912-6312
Mfr. Part No.ADA4932-1YCPZ-R2
MYR28.701
Each (On a Reel of 250)
units
Dual, Single 5 V, 9 V ±3 V, ±5 V 2.2mV 16MΩ 66dB - 87dB - 1 Surface Mount LFCSP 16 -
RS Stock No. 162-5292
Mfr. Part No.THS4131IDGN
MYR42.688
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. 660-5308
Mfr. Part No.INA154UA
MYR11.12
Each
units
Dual - ±15V 1.5mV 0.05MΩ 0dB - 74dB - 1 Surface Mount SOIC 8 -
RS Stock No. 759-0055
Mfr. Part No.AD8277ARZ
MYR17.22
Each
units
Dual, Single 2 → 36 V ±2 → ±18V 0.5mV 0.08MΩ - 550kHz 80dB - 2 Surface Mount SOIC 14 Rail to Rail Output
RS Stock No. 820-9454
Mfr. Part No.AD8274ARMZ
MYR8.822
Each (In a Pack of 5)
units
Dual - ±2.5 → ±18V 1100µV 9kΩ - 10MHz 83dB - 1 Surface Mount MSOP 8 -
RS Stock No. 796-9151
Mfr. Part No.AD8476BCPZ-WP
MYR32.75
Each
units
Dual, Single 3 → 18 V ±1.5 → ±9V 200µV - - 6MHz 90dB - 1 Surface Mount LFCSP 16 Rail to Rail Output
RS Stock No. 130-1030
Mfr. Part No.AD8209AWBRMZ
MYR18.335
Each (In a Pack of 2)
units
Single 4.5 → 5.5 V - ±2mV - 14V/V 100kHz 80dB Single Ended 1 Surface Mount MSOP 8 -
RS Stock No. 155-7739
Mfr. Part No.LTC6409CUDB#TRMPBF
MYR35.949
Each (On a Reel of 500)
units
Single 2.7 → 5.25 V - ±1400µV 165 (Common Mode) kΩ, 860 (Differential Mode) Ω 65dB 10GHz - - 1 Surface Mount QFN 10 -