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 806-7944
製造零件編號AD8278ARMZ
HK$25.645
/個 (每包:2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 774-1408
製造零件編號THS4531ID
HK$27.23
單位
Single 2.5 → 5.5 V - ±2000µV 200kΩ 114dB 27MHz 90dB - 1 Surface Mount SOIC 8 Rail to Rail Output
RS庫存編號 159-8118
製造零件編號AD8276BRMZ
HK$28.995
毎管:50 個
單位
Dual, Single 2 → 36 V ±2 → ±18V 0.5mV 0.08MΩ - 550kHz 80dB - 1 Through Hole MSOP 8 Rail to Rail Output
RS庫存編號 806-7953
製造零件編號AD8279ARZ
HK$36.02
/個 (每包:2個)
單位
Dual, Single 2 → 36 V ±2 → ±18V 500µV 120kΩ - 1MHz 74dB - 1 Surface Mount SOIC 14 -
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 145-3380
製造零件編號MC10H116FNG
HK$32.11
毎管:46 個
單位
Single -5.2 V - - - - - - - 1 Surface Mount PLCC 20 -
RS庫存編號 759-0046
製造零件編號AD8276BRMZ
HK$32.52
單位
Dual, Single 2 → 36 V ±2 → ±18V 0.5mV 0.08MΩ - 550kHz 80dB - 1 Through Hole MSOP 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 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 809-9266
製造零件編號AD8137YCPZ-REEL7
HK$25.648
/個 (每包:5個)
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 819-7310
製造零件編號AD626BNZ
HK$146.66
單位
Dual, Single 2.4 → 10 V ±1.2 → ±6V 500µV 200kΩ - 100kHz 55dB - 1 Through Hole PDIP 8 -
RS庫存編號 922-3221
製造零件編號INA159AIDGKT
HK$24.958
個 (在毎卷:250)
單位
- - - - - - - - - - - - - -
RS庫存編號 806-7947
製造零件編號AD8278ARZ
HK$23.75
/個 (每包:2個)
單位
Dual, Single 2 → 36 V ±2 → ±18V - - - - 80dB - 1 Surface Mount SOIC 8 -
RS庫存編號 764-8788
製造零件編號ADA4940-2ACPZ-R7
HK$57.46
單位
Single 5 V - 0.35mV 33kΩ 99dB 260MHz 86dB - 2 Surface Mount LFCSP VQ 24 Rail to Rail Output
RS庫存編號 121-9730
製造零件編號LMH6553MRE/NOPB
HK$43.456
個 (在毎卷:250)
單位
Single 4.5 → 12 V - - 15Ω 1.008V/V 875MHz 80dB - 1 Surface Mount SOIC 8 -
RS庫存編號 462-0721
製造零件編號THS4130IDGN
HK$77.87
單位
Dual, Single 5 V ±15V 2mV 34MΩ 78dB 225MHz 80dB - 1 Surface Mount MSOP 8 -
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 912-8703
製造零件編號AD629BRZ
HK$74.53
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 761-8588
製造零件編號LT1994CDD#PBF
HK$34.05
單位
Single 3 V - ±3mV .0045MΩ 100dB 70MHz 55dB - 2 Surface Mount DFN 8 Rail to Rail Input/Output
RS庫存編號 697-7521
製造零件編號ADA4932-1YCPZ-R2
HK$76.94
單位
Dual, Single 5 V, 9 V ±3 V, ±5 V 2.2mV 16MΩ 66dB - 87dB - 1 Surface Mount LFCSP 16 -