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. 145-1264
Mfr. Part No.AD8202YRZ
PHP145.502
Each (In a Tube of 98)
units
Single 5 V, 9 V - 2mV - 40dB - 82dB - 1 Surface Mount SOIC 8 -
RS Stock No. 100-3878
Mfr. Part No.THS4130IDGN
PHP376.485
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. 822-4386
Mfr. Part No.AD8479BRZ
PHP504.29
Each
units
Dual - ±2.5 → ±18V 1mV 2000Ω 1V/V 130kHz - - 1 Surface Mount SOIC 8 Rail to Rail Output
RS Stock No. 811-5771
Mfr. Part No.LMH6881SQE/NOPB
PHP469.35
Each
units
Single 5 V - - 100Ω 26dB 2.4GHz -40dB - 1 Surface Mount WQFN 24 -
RS Stock No. 197-7164
Mfr. Part No.INA148UA
PHP294.373
Each (In a Tube of 75)
units
Dual 2.7 → 36 V - ±5mV - - 100kHz - - 1 - SOIC 8 -
RS Stock No. 145-7178
Mfr. Part No.AD8276BRZ
PHP161.555
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. 160-9858
Mfr. Part No.AD8479BRZ
PHP424.73
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. 807-1665
Mfr. Part No.ADA4927-1YCPZ-R2
PHP554.93
Each
units
Dual, Single 5 V ±5V 5.2mV 7.5kΩ 1V/V 2GHz -70dB - 1 Surface Mount LFCSP 16 -
RS Stock No. 160-9813
Mfr. Part No.ADA4830-1BCPZ-R7
PHP53.552
Each (On a Reel of 1500)
units
Single 2.9 → 5.5 V ±1.5 → ±5V - 20kΩ - 84MHz 45dB - 1 Surface Mount LFCSP 8 Rail to Rail Output
RS Stock No. 921-2823
Mfr. Part No.LMH6881SQE/NOPB
PHP276.75
Each (On a Reel of 250)
units
Single 5 V - - 100Ω 26dB 2.4GHz -40dB - 1 Surface Mount WQFN 24 -
RS Stock No. 162-4858
Mfr. Part No.THS4130ID
PHP381.15
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. 522-8455
Mfr. Part No.AMP03GPZ
PHP473.00
Each
units
Dual - ±6 → ± 18V 0.75mV - - - 80dB - 1 Through Hole PDIP 8 -
RS Stock No. 759-0042
Mfr. Part No.AD8276ARMZ
PHP169.04
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. 160-2828
Mfr. Part No.AD8350ARMZ15
PHP274.894
Each (In a Tube of 50)
units
Single 11 V - ±1mV 200Ω 16dB 1.1GHz -67dB - 1 Surface Mount MSOP 8 -
RS Stock No. 160-1733
Mfr. Part No.AD8274ARZ
PHP116.611
Each (In a Tube of 98)
units
Dual - ±2.5 → ±18V 1100µV - - 20MHz 83dB - 1 Surface Mount SOIC 8 -
RS Stock No. 408-697
Mfr. Part No.LMH6552MA/NOPB
PHP439.82
Each
units
Dual, Single 5 V, 9 V ±3 V, ±5 V 16.5mV 0.000015MΩ 0dB - - - 1 Surface Mount SOIC 8 -
RS Stock No. 851-6859
Mfr. Part No.LTC6362IMS8#PBF
PHP200.656
Each (In a Pack of 5)
units
Single 2.8 → 5.25 V - ±30mV 230kΩ 95dB 180MHz 75dB - 1 Surface Mount MSOP 8 Rail to Rail Input/Output
RS Stock No. 159-8584
Mfr. Part No.ADA4960-1ACPZ-R7
PHP571.683
Each (On a Reel of 1500)
units
Single 5 V - - 10kΩ 18dB 5GHz 60dB - 1 Surface Mount LFCSP WQ 16 -
RS Stock No. 806-7935
Mfr. Part No.AD8274ARZ
PHP149.00
Each (In a Pack of 2)
units
Dual - ±2.5 → ±18V 1100µV - - 20MHz 83dB - 1 Surface Mount SOIC 8 -
RS Stock No. 159-7869
Mfr. Part No.AD8216YRZ
PHP173.328
Each (In a Tube of 98)
units
Single 5 V - 0.5mV 0.4MΩ 9.54dB - 80dB - 1 Surface Mount SOIC 8 -
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