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. 912-6145
Mfr. Part No.AD698APZ
SGD53.866
Each (In a Tube of 39)
units
- 17.5 V 13V - - - - - - - Surface Mount PLCC 28 -
RS Stock No. 697-6988
Mfr. Part No.AD698APZ
SGD57.69
Each
units
- 17.5 V 13V - - - - - - - Surface Mount PLCC 28 -
RS Stock No. 162-4336
Mfr. Part No.THS4131CD
SGD10.594
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. 527-580
Mfr. Part No.THS4131CD
SGD11.34
Each
units
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 809-9288
Mfr. Part No.AD8207WBRZ
SGD7.97
Each
units
Single 3.3 → 5.5 V - 100µV - 20V/V 150kHz 80dB - 1 Surface Mount SOIC 8 No
RS Stock No. 106-6377
Mfr. Part No.AD629ARZ
SGD8.83
Each (In a Tube of 98)
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. 100-0744
Mfr. Part No.INA105KP
SGD11.83
Each (In a Tube of 50)
units
Dual - ±15V 0.5mV 0.05MΩ 0dB - 72dB - 1 Through Hole PDIP 8 -
RS Stock No. 160-3354
Mfr. Part No.AD8207WBRZ
SGD6.00
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. 647-659
Mfr. Part No.INA105KP
SGD14.42
Each
units
Dual - ±15V 0.5mV 0.05MΩ 0dB - 72dB - 1 Through Hole PDIP 8 -
RS Stock No. 538-6595
Mfr. Part No.AD628ARMZ
SGD7.99
Each
units
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 -
RS Stock No. 912-7561
Mfr. Part No.AD628ARMZ
SGD6.12
Each (In a Tube of 50)
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 MSOP 8 -
RS Stock No. 759-0042
Mfr. Part No.AD8276ARMZ
SGD4.16
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. 230-551
Mfr. Part No.AD629ARZ
SGD11.09
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. 851-6821
Mfr. Part No.LT6350CMS8#PBF
SGD9.77
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. 177-7172
Mfr. Part No.LT6350CMS8#PBF
SGD5.84
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. 159-7876
Mfr. Part No.AD8350ARMZ20
SGD7.61
Each (In a Tube of 50)
units
Single 5 V, 9 V - 1mV 0.0002MΩ 21dB - - - 1 Surface Mount MSOP 8 -
RS Stock No. 160-2822
Mfr. Part No.AD8137YCPZ-R2
SGD5.251
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. 709-5068
Mfr. Part No.AD8202YRZ
SGD5.17
Each
units
Single 5 V, 9 V - 2mV - 40dB - 82dB - 1 Surface Mount SOIC 8 -
RS Stock No. 160-2877
Mfr. Part No.ADA4940-1ACPZ-R2
SGD5.94
Each (On a Reel of 250)
units
Single 7 V - 0.35mV 50MΩ 99dB 260MHz 86dB - 1 Surface Mount LFCSP 16 Rail to Rail Output
RS Stock No. 158-0520
Mfr. Part No.AD8138AARMZ
SGD6.064
Each (In a Tube of 50)
units
Dual - ±5V 2.5mV 6MΩ 1.0045V/V 320MHz - - 1 - - - -
Related Products
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 ...
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 ...