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 378-2777
製造零件編號INA145UA
HK$34.22
單位
Dual, Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 1mV 0.08MΩ 60dB - 76dB - 1 Surface Mount SOIC 8 -
RS庫存編號 145-6433
製造零件編號AD8278BRMZ
HK$24.99
毎管:50 個
單位
Dual, Single 2 → 36 V ±2 → ±18V 500µV 120kΩ - 1MHz 74dB - 1 Surface Mount MSOP 8 -
RS庫存編號 155-7495
製造零件編號LTC6406IUD#PBF
HK$49.504
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 697-6953
製造零件編號AD598JRZ
HK$415.36
單位
- - - - - - - - - - Surface Mount SOIC W 20 -
RS庫存編號 809-9288
製造零件編號AD8207WBRZ
HK$44.50
單位
Single 3.3 → 5.5 V - 100µV - 20V/V 150kHz 80dB - 1 Surface Mount SOIC 8 No
RS庫存編號 786-9733
製造零件編號LT6600CS8-5#PBF
HK$60.78
單位
Dual, Single 5 V ±5V 35mV 7.7kΩ - - - - 1 Surface Mount SOIC 8 -
RS庫存編號 912-8977
製造零件編號AD8132ARMZ
HK$28.24
毎管:50 個
單位
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 3.5mV 3MΩ 0.129dB - - - 1 Surface Mount MSOP 8 -
RS庫存編號 697-7252
製造零件編號AD8275ARMZ
HK$35.93
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 197-7167
製造零件編號INA149AID
HK$59.77
/個 (每包:2個)
單位
Dual, Single - ±2 to ±18V 1100µV - - 500kHz - - 1 - SOIC 8 -
RS庫存編號 162-4859
製造零件編號THS4140ID
HK$73.25
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 161-0129
製造零件編號AMP03GSZ
HK$47.148
毎管:98 個
單位
Dual - - 0.75mV - - - 80dB - 1 Surface Mount SOIC 8 -
RS庫存編號 912-6145
製造零件編號AD698APZ
HK$287.28
毎管:39 個
單位
- 17.5 V 13V - - - - - - - Surface Mount PLCC 28 -
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 709-7109
製造零件編號AD8350ARMZ20
HK$54.34
單位
Single 5 V, 9 V - 1mV 0.0002MΩ 21dB - - - 1 Surface Mount MSOP 8 -
RS庫存編號 709-5068
製造零件編號AD8202YRZ
HK$29.35
單位
Single 5 V, 9 V - 2mV - 40dB - 82dB - 1 Surface Mount SOIC 8 -
RS庫存編號 697-7221
製造零件編號AD8138AARMZ
HK$54.11
單位
Dual - ±5V 2.5mV 6MΩ 1.0045V/V 320MHz - - 1 - - - -
RS庫存編號 162-9811
製造零件編號LMH3401IRMST
HK$108.07
個 (在毎卷:250)
單位
Single 5 V - - 29(Differential) Ω, 55 (Single) Ω 16dB 4 (Small Signal) GHz, 7 (Large Signal) GHz - - 1 Surface Mount UQFN 14 -
RS庫存編號 159-9268
製造零件編號ADA4950-2YCPZ-R7
HK$74.821
個 (在毎卷:1500)
單位
Dual, Single 3 → 11 V ±5V 2.5mV 32kΩ 66dB 750MHz -64dB - 2 Surface Mount LFCSP VQ 24 -
RS庫存編號 497-3700
製造零件編號AD8132ARZ
HK$36.82
單位
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 3.5mV 3MΩ 0.129dB - - - 1 Surface Mount SOIC 8 -
RS庫存編號 912-7684
製造零件編號AD598JRZ
HK$382.686
毎管:37 個
單位
- - - - - - - - - - Surface Mount SOIC W 20 -