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
$58.42
Each (In a Tube of 39)
units
- 17.5 V 13V - - - - - - - Surface Mount PLCC 28 -
RS Stock No. 697-6988
Mfr. Part No.AD698APZ
$63.12
Each
units
- 17.5 V 13V - - - - - - - Surface Mount PLCC 28 -
RS Stock No. 162-4336
Mfr. Part No.THS4131CD
$10.113
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
$13.84
Each
units
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 912-7684
Mfr. Part No.AD598JRZ
$75.56
Each (In a Tube of 37)
units
- - - - - - - - - - Surface Mount SOIC W 20 -
RS Stock No. 100-0768
Mfr. Part No.INA117KU
$10.143
Each (In a Tube of 75)
units
Dual - ±15V 2mV 0.8MΩ 0dB - 66dB - 1 Surface Mount SOIC 8 -
RS Stock No. 697-6953
Mfr. Part No.AD598JRZ
$84.52
Each
units
- - - - - - - - - - Surface Mount SOIC W 20 -
RS Stock No. 538-8434
Mfr. Part No.AD8205YRZ
$4.89
Each (In a Pack of 5)
units
Single 5 V - 2mV 0.4MΩ 33.98dB - 76dB - 1 Surface Mount SOIC 8 -
RS Stock No. 111-2244
Mfr. Part No.AD8205YRZ
$4.28
Each (In a Tube of 98)
units
Single 5 V - 2mV 0.4MΩ 33.98dB - 76dB - 1 Surface Mount SOIC 8 -
RS Stock No. 218-8382
Mfr. Part No.INA117KU
$11.40
Each
units
Dual - ±15V 2mV 0.8MΩ 0dB - 66dB - 1 Surface Mount SOIC 8 -
RS Stock No. 823-0041
Mfr. Part No.LTC6409CUDB#TRMPBF
$15.39
Each
units
Single 2.7 → 5.25 V - ±1400µV 165 (Common Mode) kΩ, 860 (Differential Mode) Ω 65dB 10GHz - - 1 Surface Mount QFN 10 -
RS Stock No. 759-1297
Mfr. Part No.AD8276ARZ
$4.59
Each
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. 159-7867
Mfr. Part No.AD8203YRMZ
$5.778
Each (In a Tube of 50)
units
Single 5 V - 2mV 0.38MΩ - 60kHz 80dB - 2 Surface Mount MSOP 8 Rail to Rail Output
RS Stock No. 661-2517
Mfr. Part No.THS4130CDGN
$12.08
Each
units
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount MSOP 8 -
RS Stock No. 912-8977
Mfr. Part No.AD8132ARMZ
$5.232
Each (In a Tube of 50)
units
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 3.5mV 3MΩ 0.129dB - - - 1 Surface Mount MSOP 8 -
RS Stock No. 462-0715
Mfr. Part No.THS4130ID
$12.17
Each
units
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 660-5320
Mfr. Part No.INA157U
$5.95
Each
units
Dual - ±15V 0.5mV 0.024MΩ 6.02dB - 86dB - 1 Surface Mount SOIC 8 -
RS Stock No. 764-8791
Mfr. Part No.ADA4960-1ACPZ-R7
$21.15
Each
units
Single 5 V - - 10kΩ 18dB 5GHz 60dB - 1 Surface Mount LFCSP WQ 16 -
RS Stock No. 155-7739
Mfr. Part No.LTC6409CUDB#TRMPBF
$10.469
Each (On a Reel of 500)
units
Single 2.7 → 5.25 V - ±1400µV 165 (Common Mode) kΩ, 860 (Differential Mode) Ω 65dB 10GHz - - 1 Surface Mount QFN 10 -
RS Stock No. 155-7495
Mfr. Part No.LTC6406IUD#PBF
$8.744
Each (In a Tube of 121)
units
Single 2.7 → 3.5 V - ±5mV 130 (Common Mode) kΩ, 3 (Differential Mode) kΩ 90dB 3GHz - - 1 Surface Mount QFN 16 Rail to Rail Input
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 ...