Differential Line Drivers

Differential line drivers are electrical devices that convey analogue signals, audio or otherwise, across distances with minimal noise pick up.

How do differential line drivers work?

Information in differential line drivers is transmitted using two complementary signals. They send the same electrical signal as two different signals, each on a conductor of its own.The conductors can either be traces on a circuit board or wires that are twisted together.

The voltage between the two signals and not the difference between a single wire and earth (a common return path for electric current), prompts a response by the receiving circuit. Differential line drivers resist electromagnetic noise once the difference between wires has been detected by the receiving circuit.

What are differential line drivers used for?

Differential line drivers are utilised in balanced audio circuitry and digital signalling. They are used to reduce electromagnetic noise in applications such as portable and mobile devices where reducing the supply voltage results in reduced noise immunity, and in computers to reduce electromagnetic interference.

They can be built preferably around differential amplifiers fitted with high-speed, high-output current buffers inside the feedback loop.


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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 Number of Channels per Chip Mounting Type Package Type Pin Count Rail to Rail Maximum Supply Current
RS Stock No. 912-7315
Mfr. Part No.AD8131ARMZ
kr 37,356
Each (In a Tube of 50)
Units
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 12mV 0.002MΩ 6.19dB - 70dB 1 Surface Mount MSOP 8 No -
RS Stock No. 145-6032
Mfr. Part No.AM26C31QD
kr 14,177
Each (In a Tube of 40)
Units
Single 5 V - - - - - - 4 Surface Mount SOIC 16 - ±0.001 mA
RS Stock No. 759-0204
Mfr. Part No.ADA4922-1ARDZ
kr 70,99
Each
Units
Single 5 → 26 V - 1.1mV 11MΩ 2V/V 38MHz - 2 Surface Mount SOIC 8 No -
RS Stock No. 196-8873
Mfr. Part No.HA9P5002-9Z
kr 87,333
Each (In a Tube of 98)
Units
Dual 15 V 44V 30mV - - 110MHz - 1 - SOIC 8 - -
RS Stock No. 108-410
Mfr. Part No.AD8131ARZ
kr 41,57
Each
Units
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 12mV 0.002MΩ 6.19dB - 70dB 1 Surface Mount SOIC 8 No -
RS Stock No. 145-7384
Mfr. Part No.ADN4661BRZ
kr 14,935
Each (In a Tube of 98)
Units
- - - - - - - - - Surface Mount SOIC 8 - -
RS Stock No. 697-7533
Mfr. Part No.ADA4941-1YRZ
kr 54,93
Each
Units
Single 3 V, 5 V, 9 V - 0.4mV 24MΩ 6.06dB - 84dB 1 Surface Mount SOIC 8 Rail to Rail Output -
RS Stock No. 697-7694
Mfr. Part No.ADN4661BRZ
kr 17,588
Each (In a Pack of 5)
Units
- - - - - - - - - Surface Mount SOIC 8 - -
RS Stock No. 661-2444
Mfr. Part No.DRV134UA
kr 47,16
Each
Units
Dual - ±18V - 0.01MΩ 6dB - 46dB 1 Surface Mount SOIC 16 No -
RS Stock No. 170-3515
Mfr. Part No.MC100EP16DTG
kr 38,884
Each (In a Tube of 100)
Units
Dual 3.3 V, 5 V ±6V - - - 4GHz - 1 Surface Mount TSSOP 8 No 38 mA
RS Stock No. 796-8940
Mfr. Part No.ADA4940-1ARZ
kr 36,84
Each (In a Pack of 2)
Units
Single 3 → 6 V - 0.35mV 50MΩ 1.01V/V 260MHz 86dB 1 Surface Mount SOIC 8 Rail to Rail Output 13.5 μA
RS Stock No. 912-7410
Mfr. Part No.AD8138ARZ
kr 61,411
Each (In a Tube of 98)
Units
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 2.5mV 6MΩ 0.028dB - 70dB 1 Surface Mount SOIC 8 No -
RS Stock No. 522-8411
Mfr. Part No.SSM2142SZ
kr 76,17
Each
Units
Dual - ±13 → ± 18V - 0.01MΩ 5.98dB - - 1 Surface Mount SOIC W 16 No 5.5 mA
RS Stock No. 787-6738
Mfr. Part No.MC100EP16DTG
kr 52,08
Each
Units
Dual 3.3 V, 5 V ±6V - - - 4GHz - 1 Surface Mount TSSOP 8 No 38 mA
RS Stock No. 523-7128
Mfr. Part No.AD8138ARMZ
kr 74,08
Each
Units
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 2.5mV 6MΩ 0.028dB - 70dB 1 Surface Mount MSOP 8 No -
RS Stock No. 170-8225
Mfr. Part No.EL5171ISZ
BrandIntersil
kr 18,603
Each (In a Tube of 97)
Units
Dual, Single 5 V ±5V 25mV 0.3MΩ - 250MHz 70dB 1 Surface Mount SOIC 8 - 8.2 mA
RS Stock No. 183-2278
Mfr. Part No.ADN4663BRZ
kr 17,70
Each (In a Tube of 98)
Units
Dual - 3.3V 1.37V - - - - 2 Surface Mount SOIC 8 - 20 mA
RS Stock No. 912-8034
Mfr. Part No.ADA4940-1ARZ
kr 28,267
Each (In a Tube of 98)
Units
Single 3 → 6 V - 0.35mV 50MΩ 1.01V/V 260MHz 86dB 1 Surface Mount SOIC 8 Rail to Rail Output 13.5 μA
RS Stock No. 162-6404
Mfr. Part No.SN75113N
kr 21,826
Each (In a Tube of 25)
Units
Single 5 V - - - - - - - Through Hole PDIP 16 - 85 mA
RS Stock No. 121-9133
Mfr. Part No.DRV134UA
kr 39,267
Each (In a Tube of 40)
Units
Dual - ±18V - 0.01MΩ 6dB - 46dB 1 Surface Mount SOIC 16 - -
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Differential Amplifiers by Analog Devices are integrated and optimised for differential signalling applications. These speciality amplifiers have inherent common mode rejection properties that provide a low harmonic distortion with an output gain and phase matching. Applications include driving or receiving ...
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