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. 162-6404
Mfr. Part No.SN75113N
TWD88.60
Each (In a Tube of 25)
units
Single 5 V - - - - - - - Through Hole PDIP 16 - 85 mA
RS Stock No. 732-1010
Mfr. Part No.SN75113N
TWD111.00
Each
units
Single 5 V - - - - - - - Through Hole PDIP 16 - 85 mA
RS Stock No. 759-0005
Mfr. Part No.AD8139ACPZ-R2
TWD381.00
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
RS Stock No. 170-3515
Mfr. Part No.MC100EP16DTG
TWD167.90
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. 111-1170
Mfr. Part No.AD8138ARMZ
TWD233.60
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
TWD126.00
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. 196-8873
Mfr. Part No.HA9P5002-9Z
TWD348.60
Each (In a Tube of 98)
units
Dual - 44V 30mV - - 100MHz - - - SOIC 8 - -
RS Stock No. 412-898
Mfr. Part No.AD8131ARMZ
TWD165.00
Each
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. 162-6488
Mfr. Part No.AM26LV31EIDR
TWD23.40
Each (On a Reel of 2500)
units
Single 3.3 V - - - - 32MHz - 4 Surface Mount SOIC 16 - 10 μA
RS Stock No. 196-8874
Mfr. Part No.HA9P5002-9Z
TWD400.00
Each
units
Dual - 44V 30mV - - 100MHz - - - SOIC 8 - -
RS Stock No. 108-410
Mfr. Part No.AD8131ARZ
TWD165.00
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. 921-5841
Mfr. Part No.EL4543IUZ
TWD219.00
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. 807-1669
Mfr. Part No.ADA4950-1YCPZ-R2
TWD325.00
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. 523-7128
Mfr. Part No.AD8138ARMZ
TWD294.00
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. 106-7058
Mfr. Part No.SSM2142SZ
TWD172.00
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. 796-8940
Mfr. Part No.ADA4940-1ARZ
TWD146.50
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. 162-6405
Mfr. Part No.SN75ALS191P
TWD67.40
Each (In a Tube of 50)
units
Single 5 V - - - - - - 2 Through Hole PDIP 8 - 50 mA
RS Stock No. 160-1778
Mfr. Part No.ADA4950-1YCPZ-R2
TWD230.70
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. 661-2444
Mfr. Part No.DRV134UA
TWD200.00
Each
units
Dual - ±18V - 0.01MΩ 6dB - 46dB 1 Surface Mount SOIC 16 No -
RS Stock No. 810-0155
Mfr. Part No.SN75110AN
TWD31.30
Each (In a Pack of 25)
units
- - - - - - - - 1 Through Hole PDIP 14 - -