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. 497-3700
Mfr. Part No.AD8132ARZ
MYR18.51
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. 145-6242
Mfr. Part No.AD8274ARMZ
MYR9.995
Each (In a Tube of 50)
units
Dual - ±2.5 → ±18V 1100µV 9kΩ - 10MHz 83dB - 1 Surface Mount MSOP 8 -
RS Stock No. 517-0340
Mfr. Part No.THS4140ID
MYR41.84
Each
units
Dual, Single 5 V ±15V 7mV 14.4MΩ 67dB - 75dB - 1 Surface Mount SOIC 8 -
RS Stock No. 660-5320
Mfr. Part No.INA157U
MYR17.87
Each
units
Dual - ±15V 0.5mV 0.024MΩ 6.02dB - 86dB - 1 Surface Mount SOIC 8 -
RS Stock No. 912-8810
Mfr. Part No.AD8139ARDZ
MYR29.431
Each (In a Tube of 98)
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
RS Stock No. 709-5061
Mfr. Part No.AD8202WYRZ
MYR17.28
Each
units
Single 5 V, 9 V - 2mV - 40dB - 82dB - 1 Surface Mount SOIC 8 -
RS Stock No. 159-7867
Mfr. Part No.AD8203YRMZ
MYR13.775
Each (In a Tube of 50)
units
Single 5 V - 2mV 0.38MΩ - 60kHz 80dB - 2 Surface Mount MSOP 8 Rail to Rail Output
RS Stock No. 660-5314
Mfr. Part No.INA154U
MYR15.06
Each
units
Dual - ±15V 0.75mV 0.05MΩ 0dB - 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 162-5022
Mfr. Part No.INA154U
MYR14.229
Each (In a Tube of 75)
units
Dual - ±15V 0.75mV 0.05MΩ 0dB - 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 160-9858
Mfr. Part No.AD8479BRZ
MYR36.271
Each (In a Tube of 98)
units
Dual - ±2.5 → ±18V 1mV 2000Ω 1V/V 130kHz - - 1 Surface Mount SOIC 8 Rail to Rail Output
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. 160-1735
Mfr. Part No.AD8278ARZ
MYR9.591
Each (In a Tube of 98)
units
Dual, Single 2 → 36 V ±2 → ±18V - - - - 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 851-6821
Mfr. Part No.LT6350CMS8#PBF
MYR25.95
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. 145-7178
Mfr. Part No.AD8276BRZ
MYR11.94
Each (In a Tube of 98)
units
Dual, Single 2 → 36 V ±2 → ±18V 0.5mV 0.08MΩ - 550kHz 80dB - 1 Surface Mount SOIC 8 Rail to Rail Output
RS Stock No. 230-551
Mfr. Part No.AD629ARZ
MYR30.10
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. 121-6909
Mfr. Part No.ADA4927-1YCPZ-R2
MYR33.857
Each (On a Reel of 250)
units
Dual, Single 5 V ±5V 5.2mV 7.5kΩ 1V/V 2GHz -70dB - 1 Surface Mount LFCSP 16 -
RS Stock No. 100-3878
Mfr. Part No.THS4130IDGN
MYR31.12
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. 697-7221
Mfr. Part No.AD8138AARMZ
MYR31.55
Each
units
Dual - ±5V 2.5mV 6MΩ 1.0045V/V 320MHz - - 1 - - - -
RS Stock No. 218-8382
Mfr. Part No.INA117KU
MYR33.24
Each
units
Dual - ±15V 2mV 0.8MΩ 0dB - 66dB - 1 Surface Mount SOIC 8 -
RS Stock No. 824-7020
Mfr. Part No.LME49724MR/NOPB
MYR11.68
Each (In a Pack of 2)
units
Dual - ±2.5 → ±18V - - - 50MHz - - 1 Surface Mount SOIC 8 -
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Differential Amplifiers by Analog Devices are integrated and ...
Description:
Differential Amplifiers by Analog Devices are integrated and optimised for differential signalling applications. These speciality amplifiers have inherent common mode rejection properties that provide a low harmonic distortion with an output gain and phase matching. Applications include driving or receiving ...
Differential Amplifiers by Analog Devices are integrated and ...
Description:
Differential Amplifiers by Analog Devices are integrated and optimised for differential signalling applications. These speciality amplifiers have inherent common mode rejection properties that provide a low harmonic distortion with an output gain and phase matching. Applications include driving or receiving ...