MAXIM Manuals (Industrial)

TINI PowerSoCs are highly integrated analog solutions that free up space on mobile platforms for new features. These SoCs integrate power, system, microcontroller and storage functions, and can power application and baseband processors. They also feature highly efficient power management functions to extend battery life and reduce heat.

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The MAX5058 EV kit is a high-efficiency 50W isolated synchronous rectifier forward converter that uses an industrial standard 1/8 brick footprint. This evaluation board is configured for a +3.3V output and can provide up to 15A of output current. It is powered by +36V to +72V or -36V to -72V and can be used in telecommunications/data communications (48V modules), industrial or 42V automotive power systems.

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The MAX8725 Evaluation Board (EV kit) is a high-precision, high-efficiency multi-chemistry battery charger. The evaluation board can charge up to three to four series-connected lithium-ion batteries (Li+) at a current of up to 3A. The charge current and input power current are regulated by onboard potentiometers. The output voltage can be set to 4.2V x the number of cells in the battery pack in series. The number of cells in series is selected by a jumper. By installing two resistors, the output voltage can be adjusted between 4V and 4.4V x (number of cells in series). The evaluation board also provides an output for monitoring AC adapter current and can monitor whether an AC adapter is connected.

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The document describes the features and characteristics of DS1621 Digital Thermometer and Thermostat, including temperature measurement range, temperature reading accuracy, power supply range, conversion time, etc.

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The MAX660 is a monolithic, charge-pump voltage inverter converts a +1.5V to +5.5V input to a corresponding -1.5V to -5.5V output. Using only two low-cost capacitors, the charge pump's 100mA output replaces switching regulators, eliminating inductors and their associated cost, size, and EMI.

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The MAX961-MAX964/MAX997/MAX999 are low-power, ultra-high-speed comparators with internal hysteresis. These devices are optimized for single +3V or +5V operation. The input common-mode range extends 100mV Beyond-the-Rails™, and the outputs can sink or source 4mA to within 0.52V of GND and VCC. Propagation delay is 4.5ns (5mV overdrive), while sup- ply current is 5mA per comparator. The MAX961/MAX963/MAX964 and MAX997 have a shutdown mode in which they consume only 270µA supply current per comparator. The MAX961/MAX963 provide complementary outputs and a latch-enable fea- ture. Latch enable allows the user to hold a valid com- parator output. The MAX999 is available in a tiny SOT23-5 package. The single MAX961/MAX997 and dual MAX962 are available in space-saving 8-pin µMAX packages.

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The MAX1407/MAX1408/MAX1409/MAX1414 are low- power, general-purpose, multichannel data-acquisition systems (DAS). These devices are optimized for low- power applications. All the devices operate from a sin- gle +2.7V to +3.6V power supply and consume a maximum of 1.15mA in Run mode and only 2.5µA in Sleep mode.

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The MAX1473 is a fully integrated low-power CMOS super-heterodyne receiver that is ideal for receiving amplitude-shift-keyed (ASK) data in the 300MHz to 450MHz frequency range. Its signal range is from -114dBm to 0dBm. With few external components and a low-current power-down mode, it is ideal for cost- and power-sensitive applications typical in the automotive and consumer markets. The chip consists of a low-noise amplifier (LNA), a fully differential image-rejection mixer, an on-chip phase-locked-loop (PLL) with integrated voltage-controlled oscillator (VCO), a 10.7MHz IF limiting amplifier stage with received-signal-strength indicator (RSSI), and analog baseband data-recovery circuitry. The MAX1473 also has a discrete one-step automatic gain control (AGC) that drops the LNA gain by 35dB when the RF input signal is greater than -57dBm. The MAX1473 is available in 28-pin TSSOP and 32-pin thin QFN packages. Both versions are specified for the extended (-40°C to +85°C) temperature range.

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The MAX19517 is a 10-bit, 130Msps dual-channel analog-to-digital converter (ADC) from Texas Instruments (TI). It supports baseband to frequencies above 400MHz, making it ideal for zero-intermediate frequency (ZIF) and high-intermediate frequency (IF) sampling applications.

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The MAX1698 and MAX1698A are efficient drivers for white or color LEDs. They are ideal for large LED backlit displays in PDAs and laptop computers. Numerous benefits include greater simplicity, lower cost, higher efficiency, longer bulb life, and greater reliability when compared to fluorescent (CCFL) and electrolumines- cent (EL) lamps. The MAX1698/MAX1698A are switch-mode boost con- trollers in which LED current, rather than output voltage, is regulated The devices drive series-connected LEDs with a controlled current that is measured with a typically- ly 15Ω sense resistor, not an expensive fractional-ohm value. LED current control and dimming are accom- plished with an adjust input (ADJ). For larger light out- put, multiple LED banks can be connected in parallel with up to 5W total output power. The MAX1698A has a higher, and more accurately specified, CS current limit than the MAX1698 for higher- power applications of 5W or more. Both devices are supplied in a space-saving 10-pin µMAX package that occupies half the space of an 8-pin SO. An evaluation kit (MAX1698EVKIT) is available to speed designs.

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Operating from a 1.8V single power supply, the MAX9509/ MAX9510 amplify standard-definition video signals and only consume 5.8mW quiescent power and 11.7mW average power. The MAX9509/MAX9510 leverage Maxim’s DirectDrive™ technology to generate a clean, internal negative supply. Combining the internal negative power supply with the external positive 1.8V supply, the MAX9509/MAX9510 are able to drive a 2VP-P video signal into a 150Ω load. Besides increasing the output voltage range, Maxim’s DirectDrive technology eliminates large output-coupling capacitors and sets the output video black level near ground. DirectDrive requires an integrated charge pump and an internal linear regulator to create a clean negative power supply so that the amplifier can pull the sync below ground. The charge pump injects little noise into the video output, making the picture visibly flawless. The MAX9509/MAX9510 are designed to operate from the 1.8V digital power supply. The high power-supply rejection ratio (49dB at 100kHz) allows the MAX9509/ MAX9510 to reject the noise from the digital power supply. The MAX9509 features an internal reconstruction filter that smoothes the steps and reduces the spikes on the video signal from the video digital-to-analog converter (DAC). The reconstruction filter typically has ±1dB passband flatness of 8.1MHz and 46dB attenuation at 27MHz. The large-signal, ±1dB passband flatness of the MAX9510 video amplifier is typically 8.4MHz.

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MAX917/MAX918/MAX919/MAX920 series nanopower comparators feature ultra-low supply current (only 380nA), guaranteed to operate down to +1.8V, and are ideal for all 2-cell battery applications, including monitoring/management, ultra-low-power systems, mobile communications, notebooks and PDAs, threshold detectors/discriminators, sensing at ground or supply line, telemetry and remote systems, medical instruments, etc.

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This datasheet introduces the features and characteristics of MAX3224-MAX3227/MAX3244/MAX3245 circuits, including automatic shutdown/wakeup, high data rate capability, 1µA supply current, etc.

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The MAX8804W/MAX8804Y/MAX8804Z are intelligent, dual-input, stand-alone, constant-current, constant-voltage (CCCV), thermally regulated linear chargers designed for a single-cell lithium-ion (Li+) battery. They integrate the current-sense circuit, MOS pass element, thermal-regulation circuitry, and overvoltage protection (OVP), and eliminate the reverse-blocking Schottky diode to create a simple and small charging solution for handheld equipment.

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The MAX308/MAX309 are Maxim's single-chip CMOS precision analog multiplexers, which have low on-resistance, low leakage, fast switching speed and are widely used in various circuits.

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The MAX3070E-MAX3079E are 3.3V ±15kV ESD-protected RS-485/RS-422 transceivers with one driver and one receiver. They include fail-safe circuitry that guarantees a logic-high receiver output when receiver inputs are open or shorted. The receiver outputs a logic high if all transmitters on a terminated bus are disabled (high impedance). They also feature hot-swap capability to eliminate false transitions on the bus during power-up or hot insertion. The MAX3070E/MAX3071E/MAX3072E have reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 250kbps. The MAX3073E/MAX3074E/MAX3075E also have slew-rate-limited drivers but allow transmit speeds up to 500kbps. The MAX3076E/MAX3077E/MAX3078E driver slew rates are not limited, making transmit speeds up to 16Mbps possible. The MAX3079E slew rate is pin selectable for 250kbps, 500kbps, and 16Mbps. The MAX3072E/MAX3075E/MAX3078E are intended for half-duplex communications, and the MAX3070E/MAX3071E/MAX3073E/MAX3074E/MAX3076E/MAX3077E are intended for full-duplex communications. The MAX3079E is selectable for half-duplex or full-duplex operation. It also features independently programmable receiver and transmitter output phase through separate pins. The MAX3070E-MAX3079E transceivers draw 800µA of supply current when unloaded or when fully loaded with the drivers disabled.

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The MAX900-MAX903 high-speed, low-power, single/dual/quad voltage comparators feature differential analog inputs and TTL-logic outputs with active internal pull-ups. Fast propagation delay (8ns typ at 5mV overdrive) makes the MAX900-MAX903 ideal for fast A/D converters and sampling circuits, line receivers, V/F converters, and many other data-discrimination applications. All comparators can be powered from separate analog and digital power supplies or from a single combined supply voltage. The analog input common-mode range includes the negative rail, allowing ground sensing when powered from a single supply. The MAX900-MAX903 consume 18mW per comparator when powered from +5V. The MAX900-MAX903 are equipped with independent TTL-compatible latch inputs. The comparator output states are held when the latch inputs are driven low. The MAX901 provides the same performance as the MAX900/MAX902/MAX903 with the exception of the latches. For newer, pin-for-pin compatible parts with the same speed and only half the power dissipation, see the MAX9201/MAX9202/MAX9203 data sheet.

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The MAX9705 is a 3rd-generation ultra-low EMI mono Class D audio power amplifier that combines Class AB performance with Class D efficiency. It delivers 2.3W into a 4Ω load with efficiencies above 85%. The MAX9705 actively controls the output FET gate transitions to greatly reduce EMI. It also features zero dead time technology and a patented spread-spectrum modulation scheme to eliminate the need for output filtering. The MAX9705 offers fixed-frequency mode and spread-spectrum mode to further reduce EMI-radiated emissions. It can be synchronized to an external clock and supports cascading multiple MAX9705s.

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The MAX881R is a low-noise, inverting power supply designed for biasing GaAsFET power amplifiers in portable wireless applications. It has an input voltage range of 2.5V to 5.5V and the output is preset at -2.0V or can be set to any voltage from -0.5V to (-VIN + 0.6V) using two resistors. It can deliver up to 4mA of current. The internal linear regulator also filters the output to 1mVp-p ripple and noise. Other features include a power-OK (POK) output that signals when the negative voltage is within 7.5% of its set point. It protects the GaAsFET by not allowing power to be applied to the GaAsFET’s drain until it is properly biased. The signal can be routed either to a microcontroller or directly to a switch at the GaAsFET drain. The MAX881R is available in a 10-pin µMAX package.

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