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. 697-7221
Mfr. Part No.AD8138AARMZ
MYR31.55
Each
units
Dual - ±5V 2.5mV 6MΩ 1.0045V/V 320MHz - - 1 - - - -
RS Stock No. 709-5068
Mfr. Part No.AD8202YRZ
MYR14.71
Each
units
Single 5 V, 9 V - 2mV - 40dB - 82dB - 1 Surface Mount SOIC 8 -
RS Stock No. 921-2924
Mfr. Part No.THS4524IDBT
MYR28.38
Each (In a Tube of 50)
units
Dual, Single 2.5 → 5.5 V ±1.25 → ±2.75V ±2mV 110kΩ 116dB 93MHz 80dB - 1 Surface Mount TSSOP 38 Rail to Rail Output
RS Stock No. 709-6070
Mfr. Part No.AD629BNZ
MYR64.70
Each
units
Dual - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.5mV 0.8MΩ 0dB - 86dB - 1 Through Hole PDIP 8 -
RS Stock No. 160-3354
Mfr. Part No.AD8207WBRZ
MYR18.924
Each (In a Tube of 98)
units
Single 3.3 → 5.5 V - 100µV - 20V/V 150kHz 80dB - 1 Surface Mount SOIC 8 No
RS Stock No. 145-6433
Mfr. Part No.AD8278BRMZ
MYR13.446
Each (In a Tube of 50)
units
Dual, Single 2 → 36 V ±2 → ±18V 500µV 120kΩ - 1MHz 74dB - 1 Surface Mount MSOP 8 -
RS Stock No. 759-1291
Mfr. Part No.AD8276BRZ
MYR15.58
Each
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. 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. 197-7133
Mfr. Part No.INA105KU
MYR43.27
Each
units
Single 12 V ±18V 50µV - - 1MHz - - 1 - SOIC 8 -
RS Stock No. 905-3523
Mfr. Part No.ADA8282WBCPZ
MYR30.36
Each
units
Single 3.3 V - ±3mV 0.42 (Common Mode) kΩ, 1.7 (Differential) kΩ 36dB 42MHz -80dB - 4 Surface Mount LFCSP 32 -
RS Stock No. 759-0042
Mfr. Part No.AD8276ARMZ
MYR11.29
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. 145-7178
Mfr. Part No.AD8276BRZ
MYR13.857
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. 661-2517
Mfr. Part No.THS4130CDGN
MYR36.36
Each
units
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount MSOP 8 -
RS Stock No. 177-7172
Mfr. Part No.LT6350CMS8#PBF
MYR35.708
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. 159-8584
Mfr. Part No.ADA4960-1ACPZ-R7
MYR52.241
Each (On a Reel of 1500)
units
Single 5 V - - 10kΩ 18dB 5GHz 60dB - 1 Surface Mount LFCSP WQ 16 -
RS Stock No. 155-9350
Mfr. Part No.LTC6403IUD-1#PBF
MYR16.107
Each (In a Tube of 121)
units
Single 2.7 → 5.25 V - ±2mV 1.7 (Common Mode) MΩ, 14 (Differential Mode) kΩ 90 200MHz 50dB - 1 Surface Mount QFN 16 Rail to Rail Output
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. 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. 786-9720
Mfr. Part No.LT6552IS8#PBF
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. 912-6312
Mfr. Part No.ADA4932-1YCPZ-R2
MYR27.422
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 -
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Maxim Integrated Products offer a range of audio ...
Description:
Maxim Integrated Products offer a range of audio power amplifiers that include Mono/Stereo Amplifiers, Stereo Headphone amplifiers, Differential audio power and Microphone amplifiers. Maxim audio ICs have different types of amplification from Class AB, Class D and Class G. Maxim ...
Maxim Integrated Products offer a range of audio ...
Description:
Maxim Integrated Products offer a range of audio power amplifiers that include Mono/Stereo Amplifiers, Stereo Headphone amplifiers, Differential audio power and Microphone amplifiers. Maxim audio ICs have different types of amplification from Class AB, Class D and Class G. Maxim ...
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 ...