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. 814-4013
Mfr. Part No.THS4531AID
MYR13.348
Each (In a Pack of 5)
units
Single 2.5 → 5.5 V - ±2000µV - 113dB 27MHz 90dB - 1 Surface Mount SOIC 8 Rail to Rail Output
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
New
RS Stock No. 193-5523
Mfr. Part No.MCP6D11-E/MS
BrandMicrochip
MYR6.272
Each (In a Tube of 100)
units
Single 2.5 V - - - - - - - - SMD - - -
RS Stock No. 819-7310
Mfr. Part No.AD626BNZ
MYR66.70
Each
units
Dual, Single 2.4 → 10 V ±1.2 → ±6V 500µV 200kΩ - 100kHz 55dB - 1 Through Hole PDIP 8 -
RS Stock No. 806-7896
Mfr. Part No.AD8208WBRMZ
MYR16.875
Each (In a Pack of 2)
units
Single 4.5 → 5.5 V - ±2mV 220 (Common Mode) kΩ, 440 (Differential) kΩ 10V/V 70kHz 80dB - 1 Surface Mount MSOP 8 -
RS Stock No. 100-3827
Mfr. Part No.INA133UA
MYR11.623
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. 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. 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. 121-6906
Mfr. Part No.AD8479ARZ
MYR21.47
Each (In a Tube of 98)
units
Dual - ±2.5 → ±18V 3mV - - 130MHz 80dB - 1 Surface Mount SOIC 8 Rail to Rail Output
RS Stock No. 155-6747
Mfr. Part No.LT6600CS8-5#PBF
MYR21.345
Each (In a Tube of 100)
units
Dual, Single 5 V ±5V 35mV 7.7kΩ - - - - 1 Surface Mount SOIC 8 -
RS Stock No. 158-0520
Mfr. Part No.AD8138AARMZ
MYR18.376
Each (In a Tube of 50)
units
Dual - ±5V 2.5mV 6MΩ 1.0045V/V 320MHz - - 1 - - - -
New
RS Stock No. 197-7164
Mfr. Part No.INA148UA
MYR22.545
Each (In a Tube of 75)
units
Dual 2.7 → 36 V - ±5mV - - 100kHz - - 1 - SOIC 8 -
RS Stock No. 921-2924
Mfr. Part No.THS4524IDBT
MYR27.812
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. 660-5402
Mfr. Part No.INA2143U
MYR21.00
Each
units
Dual, Single 12 V, 15 V, 18 V, 24 V, 28 V, 5 V, 9 V ±15V 0.5mV 0.055MΩ 20dB - 86dB - 2 Surface Mount SOIC 14 -
RS Stock No. 877-8824
Mfr. Part No.AD8137YCPZ-R2
MYR22.91
Each (In a Pack of 2)
units
Dual, Single 12 V ±6V 2.75mV 800kΩ 91dB 110MHz 62dB - 1 Surface Mount LFCSP 8 Rail to Rail Output
RS Stock No. 914-2982
Mfr. Part No.LMH3401IRMST
MYR69.98
Each
units
Single 5 V - - 29(Differential) Ω, 55 (Single) Ω 16dB 4 (Small Signal) GHz, 7 (Large Signal) GHz - - 1 Surface Mount UQFN 14 -
RS Stock No. 912-8970
Mfr. Part No.AD8132ARZ
MYR13.54
Each (In a Tube of 98)
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. 822-5881
Mfr. Part No.LT1990ACS8#PBF
MYR19.535
Each (In a Pack of 2)
units
Single 2.7 to 36 V - 3mV 0.5 (Common Mode) MΩ, 2 (Differential Mode) MΩ - 100kHz - - 1 Surface Mount SOIC 8 Rail to Rail Output
RS Stock No. 814-4004
Mfr. Part No.THS4524IDBT
MYR33.23
Each
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. 159-7876
Mfr. Part No.AD8350ARMZ20
MYR20.65
Each (In a Tube of 50)
units
Single 5 V, 9 V - 1mV 0.0002MΩ 21dB - - - 1 Surface Mount MSOP 8 -
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Description:
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