MAXIM Manuals

The MAX4734 is a low-voltage, low on-resistance, 4-channel CMOS analog multiplexer that operates from a single 1.6V to 3.6V supply. This device has fast switching speeds, handles rail-to-rail analog signals, and consumes low quiescent power.

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The MAX4751/MAX4752/MAX4753 are low on-resistance, low-voltage, quad, single-pole/single-throw (SPST) analog switches that operate from a single +1.6V to +3.6V supply. These devices have fast switching speeds (tON = 30ns, tOFF = 25ns), handle Rail-to-Rail analog signals, and consume less than 1µW of quiescent power. The MAX4753 has break-before-make switching. When powered from a +3V supply, the MAX4751/MAX4752/MAX4753 feature low 0.9Ω (max) on-resistance (RON), with 0.12Ω (max) RON matching and 0.1Ω (max) RON flatness. The digital input is 1.8V CMOS compatible when using a single +3V supply. The MAX4751 has four normally open (NO) switches, the MAX4752 has four normally closed (NC) switches, and the MAX4753 has two NO and two NC switches. The MAX4751/MAX4752/MAX4753 are available in 3mm x 3mm, 16-pin QFN and 14-pin TSSOP packages.

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MAX4781/MAX4782/MAX4783 are high-speed, low-voltage, low on-resistance, CMOS analog multiplex- ers/switches configured as an 8-channel multiplexer (MAX4781), two 4-channel multiplexers (MAX4782), and three single-pole/double-throw (SPDT) switches (MAX4783).

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The MAX4737/MAX4738/MAX4739 low-voltage, low on-resistance (RON), quad single-pole/single throw (SPST) analog switches operate from a single +1.8V to +5.5V supply. These devices are designed for USB 1.1 and audio switching applications. The MAX4737/MAX4738/MAX4739 feature 4.5Ω RON (max) with 1.2Ω flatness and 0.4Ω matching between channels. These new switches feature guaranteed operation from +1.8V to +5.5V and are fully specified at 3V and 5V. These switches offer break-before-make switching (1ns) with tON <80ns and tOFF <40ns at +2.7V. The digital logic inputs are +1.8V logic compatible with a +2.7V to +3.6V supply. These switches are packaged in a chip-scale package (UCSP™), significantly reducing the required PC board area. The chip occupies only a 2mm x 2mm area and has a 4 x 4 bump array with a bump pitch of 0.5mm. These switches are also available in a 14-pin TSSOP and a 16-pin thin QFN (4mm x 4mm) package.

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The MAX4719 is a low-voltage, low on-resistance (RON), dual single-pole/double throw (SPDT) analog switch that operates from a single +1.8V to +5.5V supply. The MAX4719 features 20Ω RON (max) with 1.2Ω flatness and 0.4Ω matching between channels. The switch offers break-before-make switching (1ns) with tON <80ns and tOFF <40ns at +2.7V. The digital logic inputs are +1.8V logic compatible with a +2.7V to +3.6V supply. The switch is packaged in a chip-scale package (UCSP™), significantly reducing the required PC board area. The chip occupies only a 2.0mm × 1.50mm area and has a 4 × 3 bump array with a bump pitch of 0.5mm. The MAX4719 is also available in a 10-pin µMAX package.

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The MAX4721/MAX4722/MAX4723 are low-voltage, low on-resistance dual single-pole/single throw (SPST) analog switches that operate from a single +1.8V to +5.5V supply. These devices are designed for USB 1.1 and audio switching applications. The MAX4721/MAX4722/MAX4723 feature 4.5Ω on-resistance (max) with 1.2Ω flatness and 0.3Ω matching between channels. These new switches operate from +1.8V to +5.5V and are fully specified at 3V and 5V. They offer break-before-make switching (1ns) with tON <80ns and tOFF <40ns at +2.7V. The digital logic inputs are +1.8V logic compatible with a +2.7V to +3.6V supply. These switches are packaged in a chip-scale package (UCSP™), significantly reducing the required PC board area. The chip occupies only a 1.52mm ✕ 1.52mm area and has a 3 ✕ 3 bump array with a bump pitch of 0.5mm. They are also available in an 8-pin µMAX package.

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The MAX4717/MAX4718 are low-voltage, low on-resistance (RON), dual single-pole/double throw (SPDT) analog switches that operate from a single +1.8V to +5.5V supply. These devices are designed for USB 1.1 and audio switching applications. The MAX4717 features two 4.5Ω RON (max) SPDT switches with 1.2Ω flatness and 0.3Ω matching between channels. The MAX4718 features one 4.5Ω RON (max) SPDT switch and one 20Ω RON (max) SPDT switch. The 20Ω switch has a guaranteed matching and flatness of 0.4Ω and 1.2Ω, respectively. These switches offer break- before-make switching (1ns) with tON <80ns and tOFF <40ns at +2.7V. The digital logic inputs are +1.8V logic compatible with a +2.7V to +3.6V supply. These switches are packaged in a chip-scale package (UCSP™), significantly reducing the required PC board area. The chip occupies only a 2.0mm ✕ 1.50mm area and has a 4 ✕ 3 bump array with a bump pitch of 0.5mm. These switches are also available in 10-pin µMAX® and 10-pin TDFN packages.

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The MAX6453–MAX6456 are low-power, dual-voltage µP supervisors featuring separate VCC reset and manual reset outputs. The dual outputs support both soft-system reset (interrupt) and hard-system reset (reboot) functions. The reset output asserts when any of the monitored voltages falls below its specified threshold and remains asserted for the reset timeout (140ms min) after all voltages exceed their respective reset thresholds. All devices are offered with nine factory-fixed reset thresholds for monitoring primary system voltages (VCC) from 1.8V to 5V and an adjustable reset input for monitoring a secondary system voltage down to 0.63V. Each device has a manual reset input, a VCC reset output, and a manual reset output.

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The MAX4706/MAX4707 are single-pole single-throw (SPST) switches that operate from a single 1.8V to 5.5V sup- ply. The MAX4706 is a normally closed (NC) switch and the MAX4707 is the normally open (NO) version. These switches provide 2Ω on-resistance (RON) and 0.6Ω RON flatness with a +2.7V supply. These devices typi- cally consume only 0.02µA of quiescent current, mak- ing them suitable for use in low-power, portable applications. The MAX4706/MAX4707 feature low-leak- age currents over the entire temperature range, TTL/CMOS-compatible digital logic, and excellent AC characteristics. The MAX4706/MAX4707 are offered in small 5-pin and 6-pin SC70 and 6-pin µDFN packages. Applications include battery-operated equipment, audio signal routing, low-voltage data-acquisition systems, sample-and-hold circuits, communications circuits, and relay replacement.

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The MAX4780/MAX4784 are low on-resistance, low-voltage, quad 2:1 analog multiplexers that operate from a single +1.6V to +4.2V supply. These devices have fast switching speeds (tON = 20ns, tOFF = 8ns), handle rail-to-rail analog signals, and consume less than 1µW of quiescent power. When powered from a +2.7V supply, the MAX4780/MAX4784 feature low 0.7Ω on-resistance (RON), and 0.1Ω RON flatness. The digital logic input is +1.8V CMOS-logic compatible when using a single +3V supply. The MAX4780/MAX4784 are available in 16-pin TSSOP and 3mm x 3mm thin QFN packages.

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The MAX4758/MAX4759 quad double-pole/double-throw (DPDT) analog switches operate from a single +1.8V to +5.5V supply. These switches feature low 0.5Ω on-resistance for audio switching and a low 25pF capacitance for data switching. The MAX4758 has eight 0.5Ω on-resistance switches to switch audio signals. The MAX4759 has four 0.5Ω on-resistance switches to route audio signals and four 25pF capacitance switches to route data signals. The MAX4758/MAX4759 have four logic inputs to control the switches in pairs. The MAX4758/MAX4759 are available in a small 36-pin (6mm x 6mm) thin QFN and 36-bump (3mm x 3mm) chip-scale package (UCSP™).

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The MAX4729/MAX4730 are low-voltage 3.5Ω, SPDT, CMOS analog switches. They are suitable for applications such as battery-operated equipment, audio and video signal routing, low-voltage data acquisition systems, sample-and-hold circuits, and communications circuits. These devices feature low resistance, low power consumption, low leakage currents, and excellent AC characteristics.

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The MAX4760/MAX4760A/MAX4761/MAX4761A are a series of high-bandwidth quad double-pole/double-throw (DPDT) switches, suitable for applications such as USB 1.1 and USB 2.0 signal switching, data and audio signal routing. They feature low capacitance, low resistance, high bandwidth, and good signal handling capability.

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MAX4855 0.75Ω, Dual SPDT Audio Switch with Integrated Comparators is a audio switch product launched by Maxim Integrated. It has a low on-resistance of 0.75Ω and supports 1.8V power supply. It is suitable for applications such as speaker switching, audio signal routing, etc.

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The MAX4854H/MAX4854HL is a quad SPST switch operating from a single supply voltage of +2V to +5.5V and can handle signals greater than the supply rail. This device features four low on-resistance (7Ω) single-pole/single-throw (SPST) switches with 27.5pF on-capacitance, making it ideal for data signals. If the input signal exceeds the supply rail, the switches become high impedance and prevent the signal from feeding through to the output. The MAX4854H/MAX4854HL are available in the space-saving (3mm x 3mm), 16-pin thin QFN package and operate over the extended (-40°C to +85°C) temperature range.

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The MAX4850/MAX4850H/MAX4852/MAX4852H family of dual SPDT (single-pole/double-throw) switches operate from a single +2V to +5.5V supply and can handle signals greater than the supply rail. These switches feature low 3.5Ω or 3.5Ω/7Ω on-resistance with low on-capacitance, making them ideal for switching audio and data signals. The MAX4850/MAX4850H are configured with two SPDT switches and feature two comparators for headphone detection or mute/send key functions. The MAX4852 has two SPDT switches with no comparators for low 1µA supply current. For over-rail applications, these devices offer either the pass-through or high-impedance option. For the MAX4850/MAX4852, the signal (up to 5.5V) passes through the switch without distortion even when the positive supply rail is exceeded. For the MAX4850H/ MAX4852H, the switch input becomes high impedance when the input signal exceeds the supply rail. The MAX4850/MAX4850H/MAX4852/MAX4852H are available in the space-saving (3mm x 3mm), 16-pin TQFN package and operate over the extended temper-ature range of -40°C to +85°C.

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the max4851 is a quad single-pole/single-throw (spsp) switch from maxim that operates from a single +2v to +5.5v supply and can handle signals greater than the supply rail. this switch features low 3.5 ohm on-resistance with 40pf on-capacitance or 7 ohm on-resistance with 30pf on-capacitance, making it ideal for switching audio and data signals. the max4851/max4851h are configured with four spsp switches and feature a comparator for headphone detection or mute/send key functions. the max4853/max4853h have four spsp switches but do not include a comparator. for over-rail applications, these devices offer either the pass-through or high-impedance option. for the max4851/ max4853, signals greater than the positive supply (up to 5.5v) pass through the switch without distortion. for the max4851h/max4853h, the switch input becomes high impedance when the input signal exceeds the supply rail. the max4851/max4851h/max4853/max4853h are available in the space-saving, 16-pin, 3mm x 3mm thin qfn package and operate over the -40°c to +85°c extended temperature range. applications include usb switching, audio signal routing, cellular phones, notebook computers, pdas, and other handheld devices.

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The MAX4735 low-voltage, 0.31-ohm, quad-SPDT analog switch routes audio signals in portable applications. Each channel has a 0.31-ohm typical on-resistance, allowing the MAX4735 to drive 8-ohm loudspeakers with less than 0.02% distortion. The MAX4735 is configured as a quad-SPDT switch with two common control inputs. Each digital input controls two pairs of SPDT switches. The switches are fully bidirectional, allowing both multiplexing and demultiplexing operation. Break-before-make operation is guaranteed. The device operates from a +1.6V to +3.6V supply and over the extended -40°C to +85°C temperature range. It is offered in both 16-pin 3mm x 3mm TQFN and TSSOP packages.

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The MAX4901~MAX4905 switches feature negative signal capability that allows signals below ground to pass through without distortion. The MAX4901/MAX4902 are a dual SPST (single-pole/single-throw) and the MAX4903/MAX4904/MAX4905 are a single SPDT (single-pole/double-throw) configuration. These analog switches operate from a single +1.8V to +5.5V supply and have low 0.6Ω on-resistance, making them ideal for switching audio signals. The MAX4905 includes a comparator that can be used for headphone detection or mute/send key function. The MAX4902/MAX4904/MAX4905 have internal shunt resis- tors to automatically discharge any capacitance at the NO_ and NC connection points. This reduces click-and-pop sounds that occur when switching audio signals between pre-charged points. A break-before-make fea- ture and auto-discharge also help to reduce popping. These SPST and SPDT switches are available in space-saving 8-pin TDFN and 9-bump UCSP™ pack- ages and operate over the -40°C to +85°C extended temperature range.

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The MAX4762–MAX4764/MAX4764A/MAX4765 low-voltage, dual SPDT, audio switches feature negative signal capability that allows signals below ground to pass through without distortion. These analog switches operate from a single +1.8V to +5.5V supply and have low 0.6Ω on-resistance, making them ideal for switching audio signals. The MAX4763/MAX4765 include a comparator that can be used for headphone detection or a mute/send key function. The MAX4764/MAX4764A/MAX4765 have an internal shunt switch to automatically discharge any capacitance at the NO and NC connection points. This reduces click-and-pop sounds that occur when switching audio signals between precharged points. These SPDT switches are available in space-saving µMAX, TDFN, thin QFN, and UCSP packages and operate over the -40°C to +85°C extended tempera- ture range.

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