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 912-8810
製造零件編號AD8139ARDZ
HK$57.50
毎管:98 個
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 160-3354
製造零件編號AD8207WBRZ
HK$34.06
毎管:98 個
單位
Single 3.3 → 5.5 V - 100µV - 20V/V 150kHz 80dB - 1 Surface Mount SOIC 8 No
RS庫存編號 527-580
製造零件編號THS4131CD
HK$61.20
單位
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS庫存編號 145-7532
製造零件編號INA133U
HK$24.11
毎管:75 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 - 1 Surface Mount SOIC 8 -
RS庫存編號 851-6859
製造零件編號LTC6362IMS8#PBF
HK$35.854
/個 (每包:5個)
單位
Single 2.8 → 5.25 V - ±30mV 230kΩ 95dB 180MHz 75dB - 1 Surface Mount MSOP 8 Rail to Rail Input/Output
RS庫存編號 822-5881
製造零件編號LT1990ACS8#PBF
HK$40.18
/個 (每包:2個)
單位
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庫存編號 145-6906
製造零件編號THS4509RGTT
HK$51.17
個 (在毎卷:250)
單位
Dual, Single 5 V ±2.5V 4mV 0.05MΩ 68dB 3GHz - - 1 Surface Mount QFN 16 -
RS庫存編號 106-6377
製造零件編號AD629ARZ
HK$50.14
毎管:98 個
單位
Dual - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 1mV 0.8MΩ 0dB - 77dB - 1 Surface Mount SOIC 8 -
RS庫存編號 822-4386
製造零件編號AD8479BRZ
HK$87.11
單位
Dual - ±2.5 → ±18V 1mV 2000Ω 1V/V 130kHz - - 1 Surface Mount SOIC 8 Rail to Rail Output
RS庫存編號 820-9466
製造零件編號ADA4830-1BCPZ-R7
HK$14.55
/個 (每包:5個)
單位
Single 2.9 → 5.5 V ±1.5 → ±5V - 20kΩ - 84MHz 45dB - 1 Surface Mount LFCSP 8 Rail to Rail Output
RS庫存編號 806-7896
製造零件編號AD8208WBRMZ
HK$36.02
/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 -
RS庫存編號 759-0055
製造零件編號AD8277ARZ
HK$37.10
單位
Dual, Single 2 → 36 V ±2 → ±18V 0.5mV 0.08MΩ - 550kHz 80dB - 2 Surface Mount SOIC 14 Rail to Rail Output
RS庫存編號 155-6747
製造零件編號LT6600CS8-5#PBF
HK$37.622
毎管:100 個
單位
Dual, Single 5 V ±5V 35mV 7.7kΩ - - - - 1 Surface Mount SOIC 8 -
RS庫存編號 653-1336
製造零件編號THS4131IDGN
HK$69.53
單位
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount MSOP 8 -
RS庫存編號 912-6237
製造零件編號AD8275ARMZ
HK$27.64
毎管:50 個
單位
Dual, Single 5 V ±3 V, ±5 V - 0.108MΩ 13.98dB - 80dB - 1 Surface Mount MSOP 8 Rail to Rail Output
RS庫存編號 858-0620
製造零件編號LTC6403IUD-1#PBF
HK$42.99
/個 (每包:2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 160-1735
製造零件編號AD8278ARZ
HK$19.73
毎管:98 個
單位
Dual, Single 2 → 36 V ±2 → ±18V - - - - 80dB - 1 Surface Mount SOIC 8 -
RS庫存編號 427-008
製造零件編號AD629BRZ
HK$93.42
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 155-7739
製造零件編號LTC6409CUDB#TRMPBF
HK$62.059
個 (在毎卷:500)
單位
Single 2.7 → 5.25 V - ±1400µV 165 (Common Mode) kΩ, 860 (Differential Mode) Ω 65dB 10GHz - - 1 Surface Mount QFN 10 -
RS庫存編號 851-6821
製造零件編號LT6350CMS8#PBF
HK$54.695
/個 (每包:2個)
單位
Single 2.7 → 12 V - 1.5mV 4MΩ - 115MHz 96dB - 2 Surface Mount MSOP 8 Rail to Rail Input/Output