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 168-4301
製造零件編號AD8137YCPZ-REEL7
HK$18.11
個 (在毎卷:1500)
單位
Single 2.7 → 12 V - 2.6mV 800kΩ 91dB 110MHz 66dB - 1 Surface Mount LFCSP WD 8 Rail to Rail Output
RS庫存編號 159-8584
製造零件編號ADA4960-1ACPZ-R7
HK$92.078
個 (在毎卷:1500)
單位
Single 5 V - - 10kΩ 18dB 5GHz 60dB - 1 Surface Mount LFCSP WQ 16 -
RS庫存編號 412-450
製造零件編號AMP03GSZ
HK$59.20
單位
Dual - - 0.75mV - - - 80dB - 1 Surface Mount SOIC 8 -
RS庫存編號 162-4859
製造零件編號THS4140ID
HK$71.785
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 912-7561
製造零件編號AD628ARMZ
HK$34.232
毎管:50 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 3mV 0.22MΩ 40dB - 75dB - 2 Surface Mount MSOP 8 -
RS庫存編號 427-008
製造零件編號AD629BRZ
HK$88.89
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 921-2823
製造零件編號LMH6881SQE/NOPB
HK$54.34
個 (在毎卷:250)
單位
Single 5 V - - 100Ω 26dB 2.4GHz -40dB - 1 Surface Mount WQFN 24 -
RS庫存編號 759-1291
製造零件編號AD8276BRZ
HK$31.95
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 378-2783
製造零件編號INA146UA
HK$45.53
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 823-0041
製造零件編號LTC6409CUDB#TRMPBF
HK$96.25
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 162-5026
製造零件編號INA157U
HK$32.957
毎管:75 個
單位
Dual - ±15V 0.5mV 0.024MΩ 6.02dB - 86dB - 1 Surface Mount SOIC 8 -
RS庫存編號 160-2828
製造零件編號AD8350ARMZ15
HK$42.346
毎管:50 個
單位
Single 11 V - ±1mV 200Ω 16dB 1.1GHz -67dB - 1 Surface Mount MSOP 8 -
RS庫存編號 538-6595
製造零件編號AD628ARMZ
HK$45.35
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 3mV 0.22MΩ 40dB - 75dB - 2 Surface Mount MSOP 8 -
RS庫存編號 796-9151
製造零件編號AD8476BCPZ-WP
HK$51.82
單位
Dual, Single 3 → 18 V ±1.5 → ±9V 200µV - - 6MHz 90dB - 1 Surface Mount LFCSP 16 Rail to Rail Output
RS庫存編號 660-5402
製造零件編號INA2143U
HK$43.94
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 806-7931
製造零件編號AD8271BRMZ
HK$41.005
/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 162-4858
製造零件編號THS4130ID
HK$60.878
毎管:75 個
單位
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount SOIC 8 -
RS庫存編號 661-2397
製造零件編號INA159AIDGKT
HK$38.41
單位
Single 3 V, 5 V - 0.5mV 0.24MΩ 13.98dB - 80dB - 1 Surface Mount MSOP 8 Rail to Rail Input
RS庫存編號 779-9564
製造零件編號LT1994IMS8#PBF
HK$39.085
/個 (每包:2個)
單位
Single 3 V - ±3mV 4.5kΩ 100dB 70MHz 55dB - 2 Surface Mount MSOP 8 Rail to Rail Output
RS庫存編號 912-6237
製造零件編號AD8275ARMZ
HK$27.087
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