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. 732-1010
Mfr. Part No.SN75113N
SGD10.98
Each
units
Single 5 V - - - - - - - Through Hole PDIP 16 - 85 mA
RS Stock No. 162-6404
Mfr. Part No.SN75113N
SGD3.947
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
SGD7.76
Each (In a Tube of 40)
units
Dual - ±18V - 0.01MΩ 6dB - 46dB 1 Surface Mount SOIC 16 - -
RS Stock No. 523-7128
Mfr. Part No.AD8138ARMZ
SGD12.67
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. 522-8411
Mfr. Part No.SSM2142SZ
SGD12.70
Each
units
Dual - ±13 → ± 18V - 0.01MΩ 5.98dB - - 1 Surface Mount SOIC W 16 No 5.5 mA
RS Stock No. 522-8540
Mfr. Part No.SSM2142PZ
SGD13.39
Each
units
Dual - ±13 → ± 18V - 0.01MΩ 5.98dB - - 1 Through Hole PDIP 8 No 5.5 mA
RS Stock No. 106-7058
Mfr. Part No.SSM2142SZ
SGD9.00
Each (In a Tube of 47)
units
Dual - ±13 → ± 18V - 0.01MΩ 5.98dB - - 1 Surface Mount SOIC W 16 - 5.5 mA
RS Stock No. 661-2444
Mfr. Part No.DRV134UA
SGD8.64
Each
units
Dual - ±18V - 0.01MΩ 6dB - 46dB 1 Surface Mount SOIC 16 No -
RS Stock No. 106-7064
Mfr. Part No.SSM2142PZ
SGD10.33
Each (In a Tube of 50)
units
Dual - ±13 → ± 18V - 0.01MΩ 5.98dB - - 1 Through Hole PDIP 8 - 5.5 mA
RS Stock No. 111-1170
Mfr. Part No.AD8138ARMZ
SGD10.08
Each (In a Tube of 50)
units
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 2.5mV 6MΩ 0.028dB - 70dB 1 Surface Mount MSOP 8 - -
RS Stock No. 106-6376
Mfr. Part No.AD8131ARZ
SGD5.44
Each (In a Tube of 98)
units
Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 12mV 0.002MΩ 6.19dB - 70dB 1 Surface Mount SOIC 8 - -
RS Stock No. 162-6488
Mfr. Part No.AM26LV31EIDR
SGD2.001
Each (On a Reel of 2500)
units
Single 3.3 V - - - - 32MHz - 4 Surface Mount SOIC 16 - 10 μA
RS Stock No. 759-0204
Mfr. Part No.ADA4922-1ARDZ
SGD12.31
Each
units
Single 5 → 26 V - 1.1mV 11MΩ 2V/V 38MHz - 2 Surface Mount SOIC 8 No -
RS Stock No. 912-7410
Mfr. Part No.AD8138ARZ
SGD10.10
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. 923-1525
Mfr. Part No.EL4543IUZ
SGD8.03
Each (In a Tube of 55)
units
Dual, Single 9 V ±3 V, ±5 V 10mV - 66.24dB 350MHz 60dB 3 Surface Mount QSOP 24 - 16.2 mA
RS Stock No. 160-1778
Mfr. Part No.ADA4950-1YCPZ-R2
SGD9.435
Each (On a Reel of 250)
units
Dual, Single 3 V ±5V 6.5mV 32kΩ 1.01V/V 770MHz -64dB 1 Surface Mount LFCSP 16 - 5 mA
RS Stock No. 921-5945
Mfr. Part No.EL5171ISZ-T7
SGD4.14
Each (In a Pack of 5)
units
Dual, Single 5 V ±5V 25mV 0.3MΩ - 250MHz 70dB 1 Surface Mount SOIC 8 - 8.2 mA
RS Stock No. 810-0155
Mfr. Part No.SN75110AN
SGD1.36
Each (In a Pack of 25)
units
- - - - - - - - 1 Through Hole PDIP 14 - -
RS Stock No. 809-6150
Mfr. Part No.AM26LV31EIDR
SGD2.35
Each (In a Pack of 5)
units
Single 3.3 V - - - - 32MHz - 4 Surface Mount SOIC 16 - 10 μA
RS Stock No. 912-8034
Mfr. Part No.ADA4940-1ARZ
SGD4.84
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
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