Linear Technology Corp.
Milpitas, CA 95035
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Converters offer simultaneous sampling at 3 MSPS.
Models LTC1407A and LTC1407 are 14-bit and 12-bit Analog-to-Digital Converters with 2 simultaneous sampling inputs. Ten-pin MSOP package allows design of compact high-speed data acquisition systems. Powered from single 3 V supply with power dissipation of 12 mW, Model LTC1407A achieves 73.5 dB SINAD and guarantees 14-bit no missing codes. When device is not converting, power dissipation can be...
Read More »DC/DC Regulator offers up/down output voltage tracking.
Housed in 5 x 5 x 0.75 mm QFN package, LTC3708 dual output, 2-phase, step-down DC/DC controller drives external N-channel MOSFETs synchronously to allow efficiencies to 96% while delivering 5 A at 2.5 V from 5 V input supply. Multiple units can be interfaced to track 4, 6, or 8 output voltages. It utilizes no-clock-latency operation, has 0.6 V Ã-
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Laser Driver handles medium reach optical communications.
Suited for Vertical Cavity Surface Emitting Laser Diodes, 3.2 Gbps Model LTC5100 maintains very low noise transmission eye diagrams. Digital controller with on-chip A/D and D/A converters provides continuous closed-loop monitoring and control of critical laser parameters. Driver can be operated in standalone mode or controlled by external microprocessor via built-in I2C(TM) Serial Interface port....
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Quad Output Regulator protects TFT panels.
Housed in TSSOP-28 package, LT1943 adjustable switching regulator is suited for 22 in. and larger TFT LCD applications. It operates from 4.5-22 V input range, delivering independent outputs for VLOGIC, AVDD, VON, and VOFF. Unit contains 2.4 A buck regulator, 2.6 A boost regulator, TFT biasing output, and inverter. All switchers are synchronized to internal 1.2 MHz clock. It also offers Panel...
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Integrated Li-Ion Linear Charger does not overheat.
Housed in 6-lead, 2 x 2 mm DFN package, single-cell LTC4059 monitors and reports value of charge current. System requires input capacitor and charge current program resistor. With proper PCB layout design, product can safely charge single-cell, Li-Ion battery from 5 V input at up to 900 mA. Thermal regulation scheme automatically reduces charge current as necessary during high ambient temperature...
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Step-Down DC/DC Controller consumes only 16 -µA.
ThinSOT(TM) Model LTC3801 prolongs battery by limiting standby current consumption to 16 Ã-µA. With up to 94% efficiency during normal operation, Burst ModeÃ-® operation at light loads, and 6 Ã-µA shutdown current, unit conserves battery power in all modes. Reference voltage of 0.8 V is guaranteed to Ã-
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Secondary Side Drivers protect power MOSFETs.
Models LTC3900 and LTC3901 are rectifier drivers that drive two N-channel MOSFETs and accept pulse synchronization from primary side controller via pulse transformer. Both have timer and current sense comparators to protect external MOSFETs during normal and light load operation, power up/down, and when driver supply voltage drops too low. Model LTC3900 is for forward converter topologies, while...
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IF Quadrature Demodulator works in portable applications.
Model LT5546 monolithic IF (Intermediate Frequency) quadrature demodulator operates with one supply voltage as low as 1.8 V and accepts IF input signal from 40-500 MHz. It incorporates precision quadrature phase-shifter for accurate I/Q demodulation and low-distortion VGA with log-linear gain control range from -7 to +56 dB. Offered in 4 x 4 mm, 16-lead plastic QFN surface mount package, unit...
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Quad Supply Monitor assures reset for Vcc as low as 500 mV.
Model LTC2903-1 provides 10% undervoltage monitoring with tight Ã-
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Dual Wire Bus Buffer allows connection on demand.
Available in 10-pin MSOP, addressable LTC4302-1/LTC4302-2 is I2 C and SMBus compatible and provides capacitive buffering, rise time acceleration, and input to output connection control. It maintains electrical isolation between backplane and peripheral board until Vcc supplies are valid and IC receives command to initiate connection. Users can select one of 32 possible I2 C addresses using...
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