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庫存編號 160-1734
製造零件編號AD8278ARMZ
TWD74.10
毎管:50 個
單位
Dual, Single 2 → 36 V ±2 → ±18V 500µV 30 (Common Mode) kΩ, 120 (Differential) kΩ - 1MHz 74dB - 1 Surface Mount MSOP 8 -
RS庫存編號 159-7876
製造零件編號AD8350ARMZ20
TWD171.20
毎管:50 個
單位
Single 5 V, 9 V - 1mV 0.0002MΩ 21dB - - - 1 Surface Mount MSOP 8 -
RS庫存編號 145-7752
製造零件編號INA2133U
TWD163.40
毎管:50 個
單位
Dual, Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V ±15V 0.75mV 0.05MΩ 0dB - 80dB - 2 Surface Mount SOIC 14 -
RS庫存編號 911-3234
製造零件編號SY88803VKG
BrandMicrochip
TWD264.00
單位
Single 3.3 V, 5 V - - - 38dB 200MHz - - 1 Surface Mount MSOP10 10 -
RS庫存編號 709-5077
製造零件編號AD8206YRZ
TWD106.00
單位
Single 5 V - 2mV 0.4MΩ 26.02dB 100kHz 76dB - 1 Surface Mount SOIC 8 -
RS庫存編號 811-5771
製造零件編號LMH6881SQE/NOPB
TWD329.00
單位
Single 5 V - - 100Ω 26dB 2.4GHz -40dB - 1 Surface Mount WQFN 24 -
RS庫存編號 155-9350
製造零件編號LTC6403IUD-1#PBF
TWD114.30
毎管:121 個
單位
Single 2.7 5.25 V - ±2mV 1.7 (Common Mode) MΩ, 14 (Differential Mode) kΩ 90 200MHz 50dB - 1 Surface Mount QFN 16 Rail to Rail Output
RS庫存編號 162-5032
製造零件編號INA2143U
TWD156.50
毎管:50 個
單位
Dual, Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V ±15V 0.5mV 0.055MΩ 20dB - 86dB - 2 Surface Mount SOIC 14 -
RS庫存編號 806-7941
製造零件編號AD8278BRMZ
TWD126.50
/個 (每包:2個)
單位
Dual, Single 2 → 36 V ±2 → ±18V 500µV 120kΩ - 1MHz 74dB - 1 Surface Mount MSOP 8 -
RS庫存編號 153-3196
製造零件編號AD8390AACPZ-R7
TWD105.00
/個 (每包:2個)
單位
Dual, Single - - +3V - - 45MHz 58dB Differential 2 Surface Mount LFCSP 16 No
RS庫存編號 161-0129
製造零件編號AMP03GSZ
TWD186.70
毎管:98 個
單位
Dual - - 0.75mV - - - 80dB - 1 Surface Mount SOIC 8 -
RS庫存編號 155-7495
製造零件編號LTC6406IUD#PBF
TWD191.50
毎管:121 個
單位
Single 2.7 3.5 V - ±5mV 3 (Differential Mode) kΩ, 130 (Common Mode) kΩ 90dB 3GHz - - 1 Surface Mount QFN 16 Rail to Rail Input
RS庫存編號 517-0340
製造零件編號THS4140ID
TWD340.00
單位
Dual, Single 5 V ±15V 7mV 14.4MΩ 67dB - 75dB - 1 Surface Mount SOIC 8 -
全新
RS庫存編號 197-7166
製造零件編號INA149AID
TWD184.70
毎管:75 個
單位
Dual, Single - ±2 to ±18V 1100µV - - 500kHz - - 1 - SOIC 8 -
RS庫存編號 145-6432
製造零件編號AD8271BRMZ
TWD124.60
毎管:50 個
單位
Dual - ±2.5 → ±18V 1000µV 1GΩ - 20MHz 80dB - 1 Surface Mount MSOP 10 Rail to Rail Input
RS庫存編號 162-5520
製造零件編號THS4141CD
TWD278.00
毎管:75 個
單位
Dual, Single 5 V ±15V 7mV 14.4MΩ 67dB - 75dB - 1 Surface Mount SOIC 8 -
RS庫存編號 496-7171
製造零件編號AD8139ARDZ
TWD286.00
單位
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庫存編號 912-8703
製造零件編號AD629BRZ
TWD289.30
毎管:98 個
單位
Dual - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.5mV 0.8MΩ 0dB - 86dB - 1 Surface Mount SOIC 8 -
RS庫存編號 709-7109
製造零件編號AD8350ARMZ20
TWD211.00
單位
Single 5 V, 9 V - 1mV 0.0002MΩ 21dB - - - 1 Surface Mount MSOP 8 -
RS庫存編號 806-7896
製造零件編號AD8208WBRMZ
TWD140.00
/個 (每包:2個)
單位
Single 4.5 → 5.5 V - ±2mV 220 (Common Mode) kΩ, 440 (Differential) kΩ 10V/V 70kHz 80dB - 1 Surface Mount MSOP 8 -