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. 764-8797
Mfr. Part No.ADA4950-2YCPZ-R7
MYR47.63
Each
units
Dual, Single 3 → 11 V ±5V 2.5mV 32kΩ 66dB 750MHz -64dB - 2 Surface Mount LFCSP VQ 24 -
RS Stock No. 162-5520
Mfr. Part No.THS4141CD
MYR35.153
Each (In a Tube of 75)
units
Dual, Single 5 V ±15V 7mV 14.4MΩ 67dB - 75dB - 1 Surface Mount SOIC 8 -
RS Stock No. 697-7521
Mfr. Part No.ADA4932-1YCPZ-R2
MYR38.99
Each
units
Dual, Single 5 V, 9 V ±3 V, ±5 V 2.2mV 16MΩ 66dB - 87dB - 1 Surface Mount LFCSP 16 -
RS Stock No. 159-9267
Mfr. Part No.ADA4932-2YCPZ-R7
MYR42.45
Each (On a Reel of 1500)
units
Dual, Single 3 → 11 V ±5V 2.2mV 11MΩ 66dB 1GHz -100dB - 2 Surface Mount LFCSP VQ 24 -
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. 153-3156
Mfr. Part No.AD8390AACPZ-R7
MYR8.984
Each (On a Reel of 1500)
units
Dual, Single - - +3V - - 45MHz 58dB Differential 2 Surface Mount LFCSP 16 No
RS Stock No. 145-7532
Mfr. Part No.INA133U
MYR14.096
Each (In a Tube of 75)
units
Dual, Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V ±15V 0.75mV 0.05MΩ 0dB - 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 697-6953
Mfr. Part No.AD598JRZ
MYR231.37
Each
units
- - - - - - - - - - Surface Mount SOIC W 20 -
RS Stock No. 877-9044
Mfr. Part No.ADA4940-1ACPZ-R2
MYR25.54
Each (In a Pack of 2)
units
Single 7 V - 0.35mV 50MΩ 99dB 260MHz 86dB - 1 Surface Mount LFCSP 16 Rail to Rail Output
RS Stock No. 197-7164
Mfr. Part No.INA148UA
MYR25.497
Each (In a Tube of 75)
units
Dual 2.7 → 36 V - ±5mV - - 100kHz - - 1 - SOIC 8 -
RS Stock No. 538-6595
Mfr. Part No.AD628ARMZ
MYR22.73
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. 660-6540
Mfr. Part No.INA2132U
MYR25.81
Each
units
Dual, Single 12 V, 15 V, 18 V, 24 V, 28 V, 3 V, 5 V, 9 V ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.5mV 0.08MΩ 0dB - 80dB - 2 Surface Mount SOIC 14 -
RS Stock No. 197-7167
Mfr. Part No.INA149AID
MYR27.70
Each (In a Pack of 2)
units
Dual, Single - ±2 to ±18V 1100µV - - 500kHz - - 1 - SOIC 8 -
RS Stock No. 462-0715
Mfr. Part No.THS4130ID
MYR36.92
Each
units
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 100-3827
Mfr. Part No.INA133UA
MYR11.86
Each (In a Tube of 75)
units
Dual, Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V ±15V 1.5mV 0.05MΩ 0dB - 74dB - 1 Surface Mount SOIC 8 -
RS Stock No. 764-8791
Mfr. Part No.ADA4960-1ACPZ-R7
MYR59.57
Each
units
Single 5 V - - 10kΩ 18dB 5GHz 60dB - 1 Surface Mount LFCSP WQ 16 -
RS Stock No. 162-4858
Mfr. Part No.THS4130ID
MYR30.496
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. 851-6821
Mfr. Part No.LT6350CMS8#PBF
MYR26.32
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. 218-8382
Mfr. Part No.INA117KU
MYR31.50
Each
units
Dual - ±15V 2mV 0.8MΩ 0dB - 66dB - 1 Surface Mount SOIC 8 -
RS Stock No. 197-7141
Mfr. Part No.INA117KU
MYR43.27
Each
units
Dual 12 V ±15V 1000µV - - 200kHz - - 1 - SOIC 8 -