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 197-7141
製造零件編號INA117KU
HK$73.79
單位
Dual 12 V ±15V 1000µV - - 200kHz - - 1 - SOIC 8 -
RS庫存編號 905-3523
製造零件編號ADA8282WBCPZ
HK$60.16
單位
Single 3.3 V - ±3mV 0.42 (Common Mode) kΩ, 1.7 (Differential) kΩ 36dB 42MHz -80dB - 4 Surface Mount LFCSP 32 -
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 100-3827
製造零件編號INA133UA
HK$24.82
毎管:75 個
單位
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 -
RS庫存編號 921-2924
製造零件編號THS4524IDBT
HK$59.39
毎管:50 個
單位
Dual, Single 2.5 → 5.5 V ±1.25 → ±2.75V ±2mV 110kΩ 116dB 93MHz 80dB - 1 Surface Mount TSSOP 38 Rail to Rail Output
RS庫存編號 160-2970
製造零件編號ADA8282WBCPZ
HK$42.70
Each (In a Tray of 490)
單位
Single 3.3 V - ±3mV 0.42 (Common Mode) kΩ, 1.7 (Differential) kΩ 36dB 42MHz -80dB - 4 Surface Mount LFCSP 32 -
RS庫存編號 759-1291
製造零件編號AD8276BRZ
HK$32.52
單位
Dual, Single 2 → 36 V ±2 → ±18V 0.5mV 0.08MΩ - 550kHz 80dB - 1 Surface Mount SOIC 8 Rail to Rail Output
RS庫存編號 806-7931
製造零件編號AD8271BRMZ
HK$41.84
/個 (每包:2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 822-5828
製造零件編號LTC1992CMS8#PBF
HK$33.06
/個 (每包:2個)
單位
Dual, Single 2.7 → 11 V ±1.35 → ±5V ±2.5mV 500MΩ 80dB 3MHz - - 1 Surface Mount MSOP 8 Rail to Rail Output
RS庫存編號 877-9044
製造零件編號ADA4940-1ACPZ-R2
HK$43.26
/個 (每包:2個)
單位
Single 7 V - 0.35mV 50MΩ 99dB 260MHz 86dB - 1 Surface Mount LFCSP 16 Rail to Rail Output
RS庫存編號 160-2877
製造零件編號ADA4940-1ACPZ-R2
HK$31.787
個 (在毎卷:250)
單位
Single 7 V - 0.35mV 50MΩ 99dB 260MHz 86dB - 1 Surface Mount LFCSP 16 Rail to Rail Output
RS庫存編號 121-6906
製造零件編號AD8479ARZ
HK$44.92
毎管:98 個
單位
Dual - ±2.5 → ±18V 3mV - - 130MHz 80dB - 1 Surface Mount SOIC 8 Rail to Rail Output
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 660-5207
製造零件編號INA106U
HK$102.51
單位
Dual - ±15V 0.5mV 0.11MΩ 20dB - 86dB - 1 Surface Mount SOIC 8 -
RS庫存編號 660-5320
製造零件編號INA157U
HK$37.39
單位
Dual - ±15V 0.5mV 0.024MΩ 6.02dB - 86dB - 1 Surface Mount SOIC 8 -
RS庫存編號 100-3830
製造零件編號INA146UA
HK$37.553
毎管:75 個
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 10mV 0.11MΩ 40dB - 70dB - 1 Surface Mount SOIC 8 -
RS庫存編號 522-8685
製造零件編號AD626ANZ
HK$99.34
單位
Dual, Single 5 V ±5V 2.5mV 0.02MΩ - - 55dB - 1 Through Hole PDIP 8 -
RS庫存編號 858-0683
製造零件編號LT1990IS8#PBF
HK$33.46
/個 (每包:5個)
單位
Single 2.7 → 36 V - 6.7mV 2MΩ - 105kHz 57dB - 1 Surface Mount SOIC 8 Rail to Rail Output
RS庫存編號 814-4004
製造零件編號THS4524IDBT
HK$67.47
單位
Dual, Single 2.5 → 5.5 V ±1.25 → ±2.75V ±2mV 110kΩ 116dB 93MHz 80dB - 1 Surface Mount TSSOP 38 Rail to Rail Output
RS庫存編號 660-5308
製造零件編號INA154UA
HK$23.28
單位
Dual - ±15V 1.5mV 0.05MΩ 0dB - 74dB - 1 Surface Mount SOIC 8 -