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. 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. 921-5945
Mfr. Part No.EL5171ISZ-T7
SGD3.97
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. 732-0752
Mfr. Part No.AM26C31QD
SGD3.058
Each (In a Pack of 5)
units
Single 5 V - - - - - - 4 Surface Mount SOIC 16 - ±0.001 mA
RS Stock No. 912-6325
Mfr. Part No.ADA4941-1YRZ
SGD7.095
Each (In a Tube of 98)
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. 921-5841
Mfr. Part No.EL4543IUZ
SGD9.26
Each (In a Pack of 2)
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. 704-7239
Mfr. Part No.EL5171ISZ-T7
SGD3.88
Each
units
Dual, Single 5 V ±5V 25mV 0.3MΩ - 250MHz 70dB 1 Surface Mount SOIC 8 No 8.2 mA
RS Stock No. 796-8940
Mfr. Part No.ADA4940-1ARZ
SGD7.005
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. 523-6181
Mfr. Part No.AD8138ARZ
SGD12.44
Each
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. 921-5872
Mfr. Part No.EL5171ISZ
SGD3.616
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. 787-6738
Mfr. Part No.MC100EP16DTG
SGD9.50
Each
units
Dual 3.3 V, 5 V ±6V - - - 4GHz - 1 Surface Mount TSSOP 8 No 38 mA
RS Stock No. 697-7533
Mfr. Part No.ADA4941-1YRZ
SGD9.29
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. 809-6150
Mfr. Part No.AM26LV31EIDR
SGD2.304
Each (In a Pack of 5)
units
Single 3.3 V - - - - 32MHz - 4 Surface Mount SOIC 16 - 10 μA
RS Stock No. 170-8225
Mfr. Part No.EL5171ISZ
BrandIntersil
SGD3.067
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. 759-0005
Mfr. Part No.AD8139ACPZ-R2
SGD16.60
1 Tape of 1
Tape(s)
Single 5 → 12 V - 500µV - 1.001V/V 515MHz 75dB 1 Surface Mount LFCSP VD 8 Rail to Rail Output 0.008 mA
New
RS Stock No. 196-8873
Mfr. Part No.HA9P5002-9Z
SGD15.039
Each (In a Tube of 98)
units
Dual - 44V 30mV - - 100MHz - - - SOIC 8 - -
RS Stock No. 807-1669
Mfr. Part No.ADA4950-1YCPZ-R2
SGD13.46
Each
units
Dual, Single 3 V ±5V 6.5mV 32kΩ 1.01V/V 770MHz -64dB 1 Surface Mount LFCSP 16 - 5 mA
RS Stock No. 697-7694
Mfr. Part No.ADN4661BRZ
SGD2.92
Each (In a Pack of 5)
units
- - - - - - - - - Surface Mount SOIC 8 - -
RS Stock No. 810-0155
Mfr. Part No.SN75110AN
SGD1.333
Each (In a Pack of 25)
units
- - - - - - - - 1 Through Hole PDIP 14 - -
RS Stock No. 145-6032
Mfr. Part No.AM26C31QD
SGD2.587
Each (In a Tube of 40)
units
Single 5 V - - - - - - 4 Surface Mount SOIC 16 - ±0.001 mA
RS Stock No. 170-3515
Mfr. Part No.MC100EP16DTG
SGD7.19
Each (In a Tube of 100)
units
Dual 3.3 V, 5 V ±6V - - - 4GHz - 1 Surface Mount TSSOP 8 No 38 mA
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