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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Beskrivning Pris 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
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Tillv. art.nrEL5171ISZ
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Dual, Single 5 V ±5V 25mV 0.3MΩ - 250MHz 70dB 1 Surface Mount SOIC 8 - 8.2 mA
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Tillv. art.nrEL5171ISZ-T7
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Dual, Single 5 V ±5V 25mV 0.3MΩ - 250MHz 70dB 1 Surface Mount SOIC 8 - 8.2 mA
RS-artikelnummer 732-1010
Tillv. art.nrSN75113N
VarumärkeTexas Instruments
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Single 5 V - - - - - - - Through Hole PDIP 16 - 85 mA
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Tillv. art.nrSN75113N
VarumärkeTexas Instruments
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Single 5 V - - - - - - - Through Hole PDIP 16 - 85 mA
RS-artikelnummer 704-7239
Tillv. art.nrEL5171ISZ-T7
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Dual, Single 5 V ±5V 25mV 0.3MΩ - 250MHz 70dB 1 Surface Mount SOIC 8 No 8.2 mA
RS-artikelnummer 923-1578
Tillv. art.nrEL5171ISZ-T7
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Dual, Single 5 V ±5V 25mV 0.3MΩ - 250MHz 70dB 1 Surface Mount SOIC 8 - 8.2 mA
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Tillv. art.nrEL5171ISZ
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Dual, Single 5 V ±5V 25mV 0.3MΩ - 250MHz 70dB 1 Surface Mount SOIC 8 - 8.2 mA
RS-artikelnummer 732-0752
Tillv. art.nrAM26C31QD
VarumärkeTexas Instruments
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Single 5 V - - - - - - 4 Surface Mount SOIC 16 - ±0.001 mA
RS-artikelnummer 807-1669
Tillv. art.nrADA4950-1YCPZ-R2
VarumärkeAnalog Devices
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Dual, Single 3 V ±5V 6.5mV 32kΩ 1.01V/V 770MHz -64dB 1 Surface Mount LFCSP 16 - 5 mA
RS-artikelnummer 170-3515
Tillv. art.nrMC100EP16DTG
VarumärkeON Semiconductor
43,917 kr
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Dual 3.3 V, 5 V ±6V - - - 4GHz - 1 Surface Mount TSSOP 8 No 38 mA
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Tillv. art.nrSSM2142PZ
VarumärkeAnalog Devices
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Dual - ±13 → ± 18V - 0.01MΩ 5.98dB - - 1 Through Hole PDIP 8 - 5.5 mA
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Tillv. art.nrDRV134UA
VarumärkeTexas Instruments
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Dual - ±18V - 0.01MΩ 6dB - 46dB 1 Surface Mount SOIC 16 - -
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Tillv. art.nrADA4941-1YRZ
VarumärkeAnalog Devices
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Single 3 V, 5 V, 9 V - 0.4mV 24MΩ 6.06dB - 84dB 1 Surface Mount SOIC 8 Rail to Rail Output -
RS-artikelnummer 661-2444
Tillv. art.nrDRV134UA
VarumärkeTexas Instruments
52,42 kr
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Dual - ±18V - 0.01MΩ 6dB - 46dB 1 Surface Mount SOIC 16 No -
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Tillv. art.nrADN4663BRZ
VarumärkeAnalog Devices
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Tillv. art.nrADA4922-1ARDZ
VarumärkeAnalog Devices
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Single 5 → 26 V - 1.1mV 11MΩ 2V/V 38MHz - 2 Surface Mount SOIC 8 No -
RS-artikelnummer 732-0774
Tillv. art.nrSN75ALS191P
VarumärkeTexas Instruments
20,722 kr
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Single 5 V - - - - - - 2 Through Hole PDIP 8 - 50 mA
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VarumärkeAnalog Devices
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Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 12mV 0.002MΩ 6.19dB - 70dB 1 Surface Mount MSOP 8 No -
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Dual, Single 3 V, 5 V, 9 V ±3 V, ±5 V 2.5mV 6MΩ 0.028dB - 70dB 1 Surface Mount SOIC 8 No -
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VarumärkeTexas Instruments
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- - - - - - - - 1 Through Hole PDIP 14 - -
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