MAXIM Manuals (Industrial)

MAXIM MAX1488E handbook

The MAX1488E quad, low-power line driver is designed for EIA/TIA-232, EIA/TIA-562, and CCITT V.28 communications in harsh environments. Each transmitter output is protected against ±15kV electrostatic discharge (ESD) shocks. The inputs are TTL and CMOS compatible with minimal loading. The outputs feature internally controlled slew-rate limiting and current limiting. This device has a guaranteed 120kbps data rate. Power-supply current is less than 180µA over a ±4.5V to ±13.2V supply voltage range. The MAX1488E is pin compatible with the MC1488, MC14C88, SN75188, SN75C188, DS1488, and DS14C88. It is available in 14-pin plastic DIP and SO packages.

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MAXIM MAX3320A/B/L/T handbook

The MAX3320 is a combination of a microprocessor (µP) supervisory circuit and an RS-232 transceiver. It can precisely monitor 5V and 3.3V power supply voltages, and has a 100ms (minimum) power-on reset pulse width, power-supply transient immunity, and guaranteed RESET valid voltage down to VCC = 1V. The device also features 4µA supply current, always-active receivers, always-active power-on reset, and 4µA low-power shutdown, and can run at a guaranteed data rate of 250kbps.

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MAXIM MAX220-MAX249 Manual

The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communica- tions interfaces, particularly applications where ±12V is not available. These parts are especially useful in battery-powered sys- tems, since their low-power shutdown mode reduces power dissipation to less than 5µW. The MAX225, MAX233, MAX235, and MAX245/MAX246/MAX247 use no external components and are recommended for appli- cations where printed circuit board space is critical.

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MAXIM MAX3387E Manual(1)

The MAX3387E is a 3V powered TIA/EIA-232 and V.28/V.24 communications interface from MAXIM with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection.

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MAXIM MAX3314 Manual

The MAX3314 is a ±5V powered EIA/TIA-232-compatible interface. It has one transmitter and one receiver in a flow-through architecture. The transmitter has a low-dropout output stage providing minimum RS-232-compatible ±3.7V output levels while driving 3kΩ and 1000pf at 460kbps. Both +5V and -5V are supplied externally. The MAX3314 has a SHDN function that reduces supply current to 1µA. The transmitter is disabled and put into 3-state mode while the receiver remains active. The MAX3314 is available in 8-pin SOT23, µMAX and SO packages.

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MAXIM MAX3228/3229 Manual

The MAX3228/MAX3229 are +2.5V to +5.5V powered EIA/TIA-232 and V.28/V.24 communications interfaces with low power requirements, and high data-rate capa- bilities, in a chip-scale package (UCSP™). The MAX3228/MAX3229 achieve a 1µA supply current with Maxim’s AutoShutdown™ feature. They save power without changes to existing BIOS or operating systems by entering low-power shutdown mode when the RS-232 cable is disconnected, or when the trans- mitters of the connected peripherals are off. The transceivers have a proprietary low-dropout trans- mitter output stage, delivering RS-232 compliant perfor- mance from a +3.1V to +5.5V supply, and RS-232 compatible performance with a supply voltage as low as +2.5V. The dual charge pump requires only four small 0.1µF capacitors for operation from a +3.0V sup- ply. Each device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels. The MAX3228/MAX3229 offer a separate power-supply input for the logic interface, allowing configurable logic levels on the receiver outputs and transmitter inputs. Operating over a +1.65V to VCC range, VL provides the MAX3228/MAX3229 compatibility with multiple logic families. The MAX3229 contains one receiver and one transmit- ter. The MAX3228 contains two receivers and two transmitters. The MAX3228/MAX3229 are available in tiny chip-scale packaging and are specified across the extended industrial temperature range of -40°C to +85°C.

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MAXIM MAX3228E/322EAE/3229E/MAX3229AE Manual

The MAX3228E/AE and MAX3229E/AE are +2.5V to +5.5V powered EIA/TIA-232 and V.28/V.24 communications interfaces with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection, in a chip-scale package (UCSP™) and WLP Package. All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3228E/AE and MAX3229E/AE achieve a 1µA supply current with Maxim’s AutoShutdown™ feature. They save power without changes to existing BIOS or operating systems by entering low-power shutdown mode when the RS-232 cable is disconnected, or when the transmitters of the connected peripherals are off. The transceivers have a proprietary low-dropout transmitter output stage, delivering RS-232 compliant performance from a +3.1V to +5.5V supply, and RS-232 compatible performance with a supply voltage as low as +2.5V. The dual charge pump requires only four small 0.1µF capacitors for operation from a +3.0V sup- ply. Each device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels. The MAX3228E/AE and MAX3229E/AE offer a separate power-supply input for the logic interface, allowing configurable logic levels on the receiver outputs and transmitter inputs. Operating over a +1.65V to VCC range, VL provides the MAX3228E/AE and MAX3229E/AE compatibility with multiple l...

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MAXIM MAX3250 Manual(1)

The MAX3250 is a 3.0V to 5.5V powered, ±50V isolated EIA/TIA-232 and V.28/V.24 communications interface with high data-rate capabilities. The MAX3250 is a dual die part that operates with up to ±50V difference between the RS-232 side and the logic side (ISOCOM to GND). This makes the device ideal for operation in noisy conditions with high common-mode voltages. This feature prevents damage to the device if RS-232 lines are inadvertently short-circuited to a +24V or ±48V power bus. The MAX3250 is powered by a single 3V to 5.5V supply on the logic side. Power is transferred from the logic side to the isolated side by ±100V external capacitors. The MAX3250 has two receivers (Rx) and two drivers (Tx) and is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels. The trans- ceivers have a proprietary low-dropout transmitter out- put stage, delivering true RS-232 performance from a 3V to 5.5V supply with a dual charge pump. The device features a FAULT open-drain output to signal an exces- sive isolated-side voltage condition on any of the RS- 232 inputs. This output can drive an alarm LED or can be monitored by the processor to prevent operation under these conditions. The receiver outputs are high impedance in shutdown, allowing multiple interfaces (IrDA, RS-232, RS-485) to be connected to the same UART. The MAX3250 is available in a space-saving 28-pin SSOP package. Applications Industrial Control Programmable Logic Controller Point-to-Point Communication Data Acquisition

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MAXIM MAX3322E/3323E Manual

The MAX3322E/MAX3323E 3.0V to 5.5V powered EIA/TIA-232 and V.28/V.24 communications interfaces are designed for multidrop applications with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection.

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MAXIM MAX13234E-MAX13237E Manual

The MAX13234E–MAX13237E are +3V to +5.5V powered EIA/TIA-232 and V.28/V.24 communications interfaces with high data-rate capabilities (up to 3Mbps), a flexible logic voltage interface, and enhanced electrostatic discharge (ESD) protection. All receiver inputs and transmitter outputs are protected to ±15kV IEC 61000–4-2 Air Gap Discharge, ±8kV IEC 61000-4-2 Contact Discharge, and ±15kV Human Body Model. The MAX13234E/MAX13235E have two receivers and two transmitters, while the MAX13236E/MAX13237E have a single receiver and transmitter. The transmitters have a low-dropout transmitter output stage, delivering true RS-232 performance from a +3V to +5.5V supply based on a dual charge pump. The charge pump requires only four small 0.1µF capacitors for operation from a +3.3V supply. All devices achieve a 1µA supply current using Maxim’s AutoShutdown Plus™ feature. These devices automatically enter a low-power shutdown mode when the RS-232 cable is disconnected or the devices driving the transmitter and receiver inputs are inactive for more than 30s. The MAX13234E–MAX13237E are available in space-saving TQFN and TSSOP packages and operate over the -40°C to +85°C extended temperature range.

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MAXIM MAX1823/MAX1823A/MAX1823B/MAX1823H handbook

The MAX1823 is a dual, current-limited switch with autoreset specifically made for USB applications. The autoreset feature latches the switch off if the output is shorted, saving system power. The switch reactivates when the short circuit is removed. Each channel is guar- anteed to supply 720mA and meet USB specifications. Low quiescent supply current (50µA) and standby current (3µA) conserve battery power in portable applications. The MAX1823 has multiple safety features to ensure that the USB port is protected. Built-in thermal-overload protection limits power dissipation and junction temper- ature. Accurate internal current-limiting circuitry pro- tects the input supply against both overload and short-circuit conditions. Independent fault signals (FAULTA and FAULTB) notify the microprocessor (µP) when a thermal-overload, current-limit, undervoltage- lockout (UVLO), or short-circuit fault occurs. A 20ms fault-blanking feature ignores momentary faults, such as those caused when hot swapping a capacitive load, preventing false alarms to the host system. The MAX1823A/MAX1823B also block reverse current (cur- rent from OUT_ to IN_) while in shutdown. The MAX1823 is available in a space-saving 10-pin µMAX package. The MAX1823/MAX1823A are enabled with an active-low signal, and the MAX1823B/MAX1823H are enabled with an active-high signal. For a single ver- sion of this device, refer to the MAX1946 data sheet. For a triple version, refer to the MAX1940 data sheet.

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MAXIM MAX1930 Current-Limited Switch for Two USB Ports handbook

The MAX1930 is a current-limited switch ideal for dual USB applications. It has low quiescent and standby current, making it suitable for portable applications. The MAX1930 has safety features to protect the USB port. It is offered in an 8-pin SO package and operates over a wide temperature range.

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MAXIM MAX1946 handbook

The MAX1946 is a single current-limited switch with auto-reset that provides a guaranteed 500mA load in accordance with USB specifications. It operates from a 2.7V to 5.5V input supply and consumes only 40µA of quiescent current when operating and only 3µA in shut-down. Selectable active-high/active-low control logic and shutdown control provide additional flexibility. An autoreset feature latches the switch off in the event of a short circuit, saving system power. The switch reactivates upon removal of the shorted condition. The MAX1946 provides several safety features to protect the USB port. Built-in thermal-overload protection turns off the switch when the die temperature exceeds +160°C. Accurate internal current-limiting circuitry protects the input supply against both overload and short-circuit conditions. An open-drain fault signal, (FAULT), notifies the microprocessor (µP) when a thermal overload, current-limit, undervoltage lockout (UVLO), or short-circuit fault occurs. A 20ms fault-blanking feature enables the circuit to ignore momentary faults, such as those caused when hot-swapping a capacitive load, preventing false alarms to the host system. The fault-blanking feature prevents fault signals from being issued when the device powers up the load. The MAX1946 is available in a space-saving 8-pin (3mm x 3mm) TDFN package and operates over the extended (-40°C to +85°C) temperature range.

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MAXIM MAX8586 handbook

The MAX8586 is a single current-limited switch that controls up to 1.2A of current for powering USB applications. It has multiple protection features including thermal shutdown, internal current limiting, and reverse current protection. The IC meets all IEC specifications for USB ports and automatically shuts off when the output experiences a short circuit for more than 20ms, saving system power.

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MAXIM MAX4409 handbook

The MAX4409 stereo headphone amplifier combines Maxim’s DirectDrive™ architecture and a common-mode sense input, which allows the amplifier to reject common-mode noise. Conventional headphone amplifiers require a bulky DC-blocking capacitor between the headphone and the amplifier. DirectDrive produces a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, which saves cost, board space, and component height. The common-mode voltage sensing corrects for any difference between SGND of the amplifier and the headphone return. This feature minimizes ground-loop noise when the HP socket is used as a line out connection to other grounded equipment, for example, a PC connected to a home hi-fi system. The MAX4409 draws only 5mA of supply current, delivers up to 80mW per channel into a 16Ω load, and has a low 0.002% THD+N. A high 86dB power-supply rejection ratio allows this device to operate from noisy digital supplies without additional power-supply conditioning. The MAX4409 includes ±8kV ESD protection on the headphone outputs. Comprehensive click-and-pop circuitry eliminates audible clicks and pops on startup and shutdown. A low-power shutdown mode reduces supply current draw to only 6µA. The MAX4409 operates from a single 1.8V to 3.6V supply, has short-circuit and thermal overload protection, and is specified over the extended -40°C to +85°C temperature range. The MAX4409 is available in tiny 20-pin package.

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MAXIM MAX4598 handbook

The MAX4598 is a low-voltage, CMOS analog IC that can be configured as a single-ended 8:1 or differential 4:1 multiplexer. It has low on-resistance (up to 75Ω max) and TTL-compatible logic inputs, capable of handling rail-to-rail analog signals. The MAX4598 has two operating modes: standard multiplexer and latchable multiplexer. It features low off-leakage current and ESD protection. Suitable for applications such as ADC systems, battery-operated equipment, test equipment, avionics, audio-signal routing, and networking.

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MAXIM MAX4524/MAX4525 handbook

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MAXIM MAX354/MAX355 Fault-Protected Analog Multiplexers handbook

The MAX354/MAX355 fault-protected multiplexers (muxes) use a series N-channel, P-channel, N-channel structure that protects the devices from overvoltage up to 40V beyond the supply rails during power-up, power-down, and fault conditions. The MAX354/MAX355 also protect sensitive circuit components against voltages near or beyond the normal supplies. The MAX354 single 8-channel mux and the MAX355 dual 4-channel mux protect analog signals while oper- ating from a single 4.5V to 36V supply or ±4.5V to ±18V dual supplies. These muxes have 350Ω on-resistance and can be used for demultiplexing as well as multi- plexing. Input leakage current is less than 0.5nA at +25°C and less than 5nA at +85°C. All digital inputs have 0.8V and 2.4V logic thresholds, ensuring both TTL and CMOS logic compatibility with- out pull-up resistors. Break-before-make operation is guaranteed and power consumption is less than 1.5mW.

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MAXIM MAX335 Serial Controlled 8-Channel SPST Switchhandbook

The MAX335 is a Maxim Integrated 8-channel SPST switch with SPI-compatible serial interface. It supports power supplies ranging from ±4.5V to ±20V and can handle rail-to-rail analog signals. Upon power-up, all switches are off and the internal serial and parallel shift registers are reset to zero.

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MAXIM MAX336/MAX337 handbook(1)

The MAX336/MAX337 are monolithic, CMOS analog multiplexers (muxes) that can be used as either a mux or a demux. They have low on-resistance, fast transition time, and low leakage current. They operate from a single supply or dual supplies and are pin-compatible upgrades for the DG506 and DG507. They are suitable for precision data acquisition, precision signal routing, and test equipment.

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