MAXIM Manuals (Others)

MAX14548E/MAX14548AE 16-channel bidirectional level translators (LLTs) provide the level shifting neces- sary for 100Mbps data transfer in multivoltage systems.

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The MAX13037/MAX13038 are automotive contact monitors and level shifters that monitor and debounce eight remote mechanical switches and assert an interrupt (INT) if a switch changes state. The state of each switch is sampled through an SPI™ interface by reading the status register. Any switch can be prohibited from asserting an interrupt by writing to the command register. Four of the switch inputs are intended for ground-connected switches (IN0–IN3) and the other four inputs (IN4–IN7) are programmable in groups of two for either ground- connected or battery-connected switches. Two switch inputs (IN0, IN1) have direct level-shifted outputs (DO0, DO1) to be used for PWM or other timing-based signals. Switch input thresholds are set to 50% of the voltage applied to BATREF. The threshold hysteresis is set by connecting an external resistor from HYST to ground. The MAX13037/MAX13038 supply an adjustable wet- ting current to each closed switch to clean mechanical switch contacts that are exposed to adverse conditions. The MAX13037/MAX13038 feature a low dropout (LDO) linear regulator capable of supplying up to 150mA of current. The MAX13037 LDO has an output voltage of +5V, whereas the MAX13038 has an output voltage of +3.3V. The MAX13037/MAX13038 also feature a watch- dog timer and an open-drain reset output with adjustable timing. The MAX13037/MAX13038 operate with a +6V to +26V battery voltage applied to BAT. The MAX13037/ MAX13038 are available in a 6mm x 6mm, 36-pin SMT package.

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The MAX13362 is a 24-channel automotive contact monitor designed as an interface between mechanical switches and low-voltage processors or other logic circuits.

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The MAX1740/MAX1741 subscriber identity module (SIM)/smart card level translators provide level shifting and electrostatic discharge (ESD) protection for SIM and smart card ports. These devices integrate two unidirectional level shifters for the reset and clock signals, a bidirectional level shifter for the serial data stream, and ±10kV ESD protection on all card contacts. The MAX1740 includes a SHDN control input to aid insertion and removal of SIM and smart cards, while the MAX1741 includes a system-side data driver to support system controllers without open-drain outputs. The logic supply voltage range is +1.425V to +5.5V for the “controller side” and +2.25V to +5.5V for the “card side.” Total supply current is 2.5µA max. Both devices automatically shut down when either power supply is removed. For a complete SIM-card interface, combine the MAX1740/MAX1741 with the MAX1686H 0V/3V/5V regulated charge pump. The MAX1740/MAX1741 are available in ultra-small 10-pin µMAX packages that are only 1.09mm high and half the area of an 8-pin SO. The MAX1740/MAX1741 are compliant with GSM test specifications 11.11 and 11.12.

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The DS8007 is a multiprotocol dual smart card interface that supports all ISO 7816, EMV®, and GSM11-11 requirements. It can directly connect to the nonmultiplexed byte-wide bus of a Maxim secure microcontroller and also access the multiplexed bus of an 80C51-compatible microcontroller through MOVX memory addressing. It provides high-speed automatic smart card processing with support for T = 0, T = 1, and synchronous protocols. It also supports emergency deactivation and a third smart card.

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The DS8007A multiprotocol dual smart card interface is an automotive grade, low-cost, dual smart card reader interface supporting all ISO 7816, EMV™, and GSM11-11 requirements.

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MAX3110E/MAX3111E is a single-chip solution that integrates an RS-232 transceiver, a UART, and an SPI/QSPI/MICROWIRE-compatible serial interface. It features ±15kV ESD protection, a wide operating voltage range of 3V to 4.5V, and a low power consumption of 600µA. It is ideal for space-, cost-, and power-constrained applications.

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This datasheet introduces MAX3987, a 4-channel receive and transmit equalizer (EQ) that compensates for transmission medium losses encountered with FR4 stripline/microstrip and/or high-speed cable. The device can be used at the beginning, middle, or end of a channel. The input equalization requires no setting, and the output preemphasis (PE) is programmable. Through an I2C serial interface, the preemphasis level, output drive level, output polarity, and powering down of unused outputs are programmable for each channel. It can also be configured globally through pins. The device operates from a 2.5V or 3.3V supply, and is packaged in a 7mm x 7mm, 48-pin TQFN.

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The MAX9125/MAX9126 quad low-voltage differential signaling (LVDS) line receivers are ideal for applica- tions requiring high data rates, low power, and reduced noise.

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The MAX9159 is a dual low-voltage differential signaling (LVDS) receiver ideal for applications requiring high speed, low power, and low noise.

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The MAX9424–MAX9427 high-speed, low-skew quad PECL-to-ECL translators are designed for high-speed data and clock driver applications. These devices feature an ultra-low 0.24ps(RMS) random jitter and channel-to- channel skew is less than 90ps in asynchronous mode. The four channels can be operated synchronously with an external clock, or in asynchronous mode determined by the state of the SEL input. An enable input provides the ability to force all the outputs to a differential low state. The parts differ from one another by their input and out- put termination options. The input options are an open input or an internal differential 100Ω termination. The output options are an open-emitter output or a series 50Ω termination. See Ordering Information. The MAX9424–MAX9427 operate from a positive voltage supply of +2.375V to +5.5V, and a negative supply volt- age of -2.375V to -5.5V and operate across the extended temperature range of -40°C to +85°C. They are offered in 32-pin 5mm x 5mm TQFP and space-saving 5mm x 5mm QFN packages. Applications include Data and Clock Driver and Buffer, Central Office Backplane Clock Distribution, DSLAM Backplane, Base Station, and ATE. Features include 0.24ps RMS Added Random Jitter, 10ps Channel-to-Channel Skew in Synchronous Mode, Guaranteed 500mV Differential Output at 3GHz Clock Frequency, 420ps Propagation Delay in Asynchronous Mode, and Functionally Compatible with SK4426 (MAX9424), SK4430 (MAX9425), SK4436 (MAX9426), and SK4440 (MAX9427).

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The MAX9370/MAX9371/MAX9372 LVTTL/TTL-to-Differential LVPECL/PECL Translators are high-performance clock/data level translation devices, which can be used in central office clock distribution, DSLAM/DLC base station and other scenes.

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The MAX9171/MAX9172 are single/dual low-voltage differential signaling (LVDS) receivers designed for high-speed applications requiring minimum power consumption, space, and noise. Both devices support switching rates exceeding 500Mbps while operating from a single 3.3V supply. The MAX9171 is a single LVDS receiver and the MAX9172 is a dual LVDS receiver. Both devices con- form to the ANSI TIA/EIA-644 LVDS standard and con- vert LVDS to LVTTL/LVCMOS-compatible outputs. A fail-safe feature sets the outputs high when the inputs are undriven and open, terminated, or shorted. The MAX9171/MAX9172 are available in 8-pin SO packages and space-saving thin DFN and SOT23 packages. For lower skew devices, refer to the MAX9111/ MAX9113 data sheet. Applications include multipoint backplane interconnect, laser printers, digital copiers, cellular phone base stations, LCD displays, network switches/routers, and clock distribution.

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The MAX9164 is a MAXIM 3.3V single LVDS driver/receiver that features low power, single supply, high drive current, high sensitivity, low crosstalk, support for 200Mbps data transfer rate. The product is used in cell phone base stations, network switches/routers, add/drop multiplexers, backplane interconnect, digital cross-connects, clock distribution, DSLAMs and other fields.

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The MAX9179 is a quad low-voltage differential signaling (LVDS) line receiver designed for applications requiring high data rates, low power dissipation, and noise immunity. The receiver accepts four LVDS input signals and translates them to 3.3V LVCMOS output lev- els at speeds up to 400Mbps. The receiver features built-in hysteresis, which improves noise immunity and prevents multiple switching on slow transitioning inputs. The device supports a wide 0.038V to 2.362V common- mode input voltage range, allowing for ground potential differences and common-mode noise between the driver and the receiver. A fail-safe circuit sets the output high when the input is open, undriven and shorted, or undriven and terminated. Common enable inputs control the high- impedance outputs. The MAX9179 has a flow-through pinout for easy PC board layout, and is pin compatible with the MAX9121 and the DS90LV048A with the additional features of high ESD tolerance and built-in hysteresis. The MAX9179 operates from a single 3.3V supply, and is specified for operation from -40°C to +85°C. The device is offered in 16-pin TSSOP and thin QFN packages. Applications include Laser Printers, Digital Copiers, Cell-Phone Base Stations, Telecom Switching Equipment, LCD Displays, Network Switches/Routers, Backplane Interconnect, and Clock Distribution.

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The MAX9375 is a high-performance, low-latency LVDS/Anything-to-LVPECL translator from Maxim that supports signal rates up to 2GHz. It is ideal for various high-speed network routing and backplane applications. The MAX9375 is available in an 8-pin µMAX package and operates from a single +3.3V supply over the -40°C to +85°C temperature range.

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The MAX9376 is a high-speed LVDS/anything-to-LVPECL/LVDS dual translator from MAXIM that supports signal rates up to 2GHz. It features extremely low propagation delay and high speed, making it ideal for various high-speed network routing and backplane applications.

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The MAX1134/MAX1135 are 150ksps, 16-bit ADCs. These serially interfaced ADCs connect directly to SPI™, QSPI™, and MICROWIRE™ devices without external logic. They combine an input scaling network, internal track/hold (T/H), clock, and three general-purpose digital output pins (for external multiplexer or PGA control) in a 20-pin SSOP package. The excellent dynamic performance (THD ≥ 90dB), high speed (150ksps in bipolar mode), and low power (8.0mA) of these ADCs make them ideal for applications such as industrial process control, instrumentation, and medical applications. The MAX1134 accepts input signals of 0 to +6V (unipo- lar) or ±6V (bipolar), while the MAX1135 accepts input signals of 0 to +2.048V (unipolar) or ±2.048V (bipolar). Operating from a single 3.135V to 3.465V analog and digital supply, power-down modes reduce current con- sumption to 0.15mA at 10ksps and further reduce sup- ply current to less than 20µA at slower data rates. A serial strobe output (SSTRB) allows direct connection to the TMS320 family digital-signal processors. The MAX1134/MAX1135 user can select either the internal clock or an external serial-interface clock for the ADC to perform analog-to-digital conversions. The MAX1134/MAX1135 feature internal calibration cir- cuitry to correct linearity and offset errors. On-demand calibration allows the user to optimize performance. Three user-programmable logic outputs are provided for the control of an 8-channel mux or PGA.

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The MAX9380 is a high-precision clock distributor that uses a 2:1 multiplexer with single-ended inputs and differential outputs. It has low part-to-part skew and propagation delay. It is selected by a single select input, and the select and data inputs have internal pull-down resistors that ensure a low default state if they are left open.

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The MAX9176/MAX9177 are 670MHz, low-jitter, low-skew 2:1 multiplexers ideal for protection switching, loopback, and clock distribution. The devices feature ultra-low 68ps peak-to-peak deterministic jitter that ensures reliable operation in high-speed links that are highly sensitive to timing errors. The MAX9176 has fail-safe LVDS inputs and an LVDS output. The MAX9177 has “anything” differential inputs (CML/LVDS/LVPECL) and an LVDS output. The output can be put into high impedance using the power-down input. The MAX9176 features fail-safe circuits that drive the output high when a selected input is open, undriven and shorted, or undriven and terminated. The MAX9177 has bias circuits that force the output high when a selected input is open. The mux select and power-down inputs are compatible with standard LVTTL/ LVCMOS logic. The select and power-down inputs tolerate undershoot of -1V and overshoot of VCC + 1V. The MAX9176/ MAX9177 are available in 10-pin µMAX and 10-lead thin QFN packages, and operate from a single 3.3V supply over the -40°C to +85°C temperature range.

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