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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รายละเอียดสินค้า / Description ราคา / 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. 527-580
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THB284.23
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Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 162-4336
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THB318.88
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Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS Stock No. 121-8455
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THB311.559
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Dual - ±15V 0.5mV 0.11MΩ 20dB - 86dB - 1 Through Hole PDIP 8 -
RS Stock No. 647-665
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THB353.81
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Dual - ±15V 0.5mV 0.11MΩ 20dB - 86dB - 1 Through Hole PDIP 8 -
RS Stock No. 161-0129
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THB178.72
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Dual - - 0.75mV - - - 80dB - 1 Surface Mount SOIC 8 -
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THB222.06
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Dual - - 0.75mV - - - 80dB - 1 Surface Mount SOIC 8 -
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THB1,553.094
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- - - - - - - - - - Surface Mount SOIC W 20 -
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THB98.168
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Dual, Single 5 V ±15V 0.75mV 0.08MΩ 0dB - 70dB - 1 Surface Mount SOIC 8 -
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THB110.82
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THB262.28
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RS Stock No. 697-6953
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THB1,555.57
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THB128.593
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Single 4.5 → 5.5 V - ±0.5 (Typical)mV 200 (Common Mode) kΩ, 400 (Differential) kΩ 3 (Typical)V/V 3MHz - - 1 Surface Mount SOIC 8 -
RS Stock No. 820-9454
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THB100.532
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Dual - ±2.5 → ±18V 1100µV 9kΩ - 10MHz 83dB - 1 Surface Mount MSOP 8 -
RS Stock No. 912-8703
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD629BRZ
THB276.98
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THB88.86
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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 -
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THB213.70
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Dual, Single 5 V, 9 V ±3 V, ±5 V 0.5mV 1.5MΩ 0.009dB - 75dB - 1 Surface Mount SOIC 8 Rail to Rail Output
RS Stock No. 462-0715
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THB265.96
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Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
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RS Stock No. 197-7167
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THB238.055
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Dual, Single - ±2 to ±18V 1100µV - - 500kHz - - 1 - SOIC 8 -
Related Products
Differential Amplifiers are operational amplifiers configured to amplify ...
Description:
Differential Amplifiers are operational amplifiers configured to amplify differential input signals but to supress or reject common-mode signals; they incorporate on-chip resistors to define the differential gain.
Differential Amplifiers are operational amplifiers configured to amplify ...
Description:
Differential Amplifiers are operational amplifiers configured to amplify differential input signals but to supress or reject common-mode signals; they incorporate on-chip resistors to define the differential gain.
Differential Amplifiers are operational amplifiers configured to amplify ...
Description:
Differential Amplifiers are operational amplifiers configured to amplify differential input signals but to supress or reject common-mode signals; they incorporate on-chip resistors to define the differential gain.
A range of operational amplifiers from Texas Instruments ...
Description:
A range of operational amplifiers from Texas Instruments designed for high-fidelity audio applications. The devices typically feature low levels of distortion and noise together with high slew rates and wide bandwidth. They are frequently able to operate over a wide ...