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. 154-6359
Mfr. Part No.LT1994CDD#PBF
kr 22,896
Each (In a Tube of 121)
Units
Single 3 V - ±3mV .0045MΩ 100dB 70MHz 55dB - 2 Surface Mount DFN 8 Rail to Rail Input/Output
RS Stock No. 759-0083
Mfr. Part No.AD8475ARMZ
kr 46,26
Each
Units
Dual, Single 3 → 10 V ±1.5 → ±5V - .0029MΩ - 150MHz 76dB - - Surface Mount MSOP 10 Rail to Rail Output
RS Stock No. 877-8846
Mfr. Part No.AD8350ARMZ15
kr 34,165
Each (In a Pack of 2)
Units
Single 11 V - ±1mV 200Ω 16dB 1.1GHz -67dB - 1 Surface Mount MSOP 8 -
RS Stock No. 100-3879
Mfr. Part No.THS4131ID
kr 71,865
Each (In a Tube of 75)
Units
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 121-6909
Mfr. Part No.ADA4927-1YCPZ-R2
kr 66,947
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. 197-7167
Mfr. Part No.INA149AID
kr 58,475
Each (In a Pack of 2)
Units
Dual, Single - ±2 to ±18V 1100µV - - 500kHz - - 1 - SOIC 8 -
RS Stock No. 177-7172
Mfr. Part No.LT6350CMS8#PBF
kr 36,528
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. 786-9733
Mfr. Part No.LT6600CS8-5#PBF
kr 68,39
Each
Units
Dual, Single 5 V ±5V 35mV 7.7kΩ - - - - 1 Surface Mount SOIC 8 -
RS Stock No. 145-7195
Mfr. Part No.AD8271ARMZ
kr 23,896
Each (In a Tube of 50)
Units
Dual - ±2.5 → ±18V 1500µV 1GΩ - 20MHz 80dB - 1 Surface Mount MSOP 10 Rail to Rail Input
RS Stock No. 661-2527
Mfr. Part No.THS4141CD
kr 48,82
Each
Units
Dual, Single 5 V ±15V 7mV 14.4MΩ 67dB - 75dB - 1 Surface Mount SOIC 8 -
RS Stock No. 912-8810
Mfr. Part No.AD8139ARDZ
kr 59,22
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. 523-0199
Mfr. Part No.AD626ARZ
kr 83,25
Each
Units
Dual, Single 5 V ±5V 2.5mV 0.02MΩ - - 55dB - 1 Surface Mount SOIC 8 -
RS Stock No. 912-8845
Mfr. Part No.AD628ARZ
kr 43,254
Each (In a Tube of 98)
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 3mV 0.22MΩ 40dB - 75dB - 2 Surface Mount SOIC 8 -
RS Stock No. 851-6821
Mfr. Part No.LT6350CMS8#PBF
kr 54,635
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. 824-7020
Mfr. Part No.LME49724MR/NOPB
kr 24,175
Each (In a Pack of 2)
Units
Dual - ±2.5 → ±18V - - - 50MHz - - 1 Surface Mount SOIC 8 -
RS Stock No. 824-7052
Mfr. Part No.LMH6553MRE/NOPB
kr 65,20
Each
Units
Single 4.5 → 12 V - - 15Ω 1.008V/V 875MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 159-7869
Mfr. Part No.AD8216YRZ
kr 30,642
Each (In a Tube of 98)
Units
Single 5 V - 0.5mV 0.4MΩ 9.54dB - 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 922-3221
Mfr. Part No.INA159AIDGKT
kr 24,519
Each (On a Reel of 250)
Units
- - - - - - - - - - - - - -
RS Stock No. 252-1644
Mfr. Part No.INA132UA
kr 15,97
Each
Units
Dual, Single 5 V ±15V 0.75mV 0.08MΩ 0dB - 70dB - 1 Surface Mount SOIC 8 -
RS Stock No. 759-0055
Mfr. Part No.AD8277ARZ
kr 37,09
Each
Units
Dual, Single 2 → 36 V ±2 → ±18V 0.5mV 0.08MΩ - 550kHz 80dB - 2 Surface Mount SOIC 14 Rail to Rail Output
Related Products
Differential Amplifiers are operational amplifiers configured to amplify ...
Description:
Differential Amplifiers are operational amplifiers configured to amplify differential input signals but to supress or reject common-mode signals; they incorporate on-chip resistors to define the differential gain.
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 ...
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 ...