2.5A Supercapacitor Backup Power Manager Features: 2.5A Step-Down Supercapacitor Charger and 2.5A Step-Up Backup Supply 6.5A Switches for 2.5A Backup from One Supercapacitor or Two in Series Input Current Limit Prioritizes Load over Charge Current Input Disconnect Switch Isolates Input During Backup Automatic Seamless Switch-Over to Backup Mode Internal Supercapacitor Balancer (No External Resistors) Programmable Charge Current and Charge Voltage Input Power Fail Indicator System Power Good Indicator Optional OVP Circuitry Protects Device to >60V Constant Frequency Operation Thermally Enhanced 24-Lead 4mm × 5mm QFN Package

25A, Dual PolyPhase Regulator with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC Sub-Milliohm DCR Current Sensing Digitally Adjustable Loop Compensation Parameters 0.5% Output Voltage Accuracy Over Temperature Integrated Input Current Sense Amplifier Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate Drivers

3GHz to 20GHz Microwave Mixer with Wideband DC to 6GHz IF Features:Integrated LO Buffer: 0dBm LO Drive50 Wideband Matched RF and LO PortsWide IF Bandwidth: DC to 6GHzUpconversion or DownconversionHigh IIP3:+22.5dBm at 10GHz+18.3dBm at 17GHz+14.6dBm Input P1dB at 10GHz8dB Conversion Loss at 10GHz3.3V/132mA SupplyFast Turn ON/OFF for TDD Operation3mm × 2mm, 12-Lead QFN Package

Very Low Noise, Low Distortion Active RC Quad Universal Filter Features: Continuous Time—No Clock Four 2nd Order Filter Sections, 20kHz to 300kHz Center Frequency Butterworth, Chebyshev, Elliptic or Equiripple Delay Response Lowpass, Bandpass, Highpass Responses 99dB Typical S/N, ±5V Supply (Q = 1) 93dB Typical S/N, Single 5V Supply (Q = 1) Rail-to-Rail Input and Output Voltages DC Accurate to 3mV (Typ) ±0.5% Typical Center Frequency Accuracy “Zero-Power” Shutdown Mode Single or Dual Supply, 5V to 10V Total Resistor-Programmable fO, Q, Gain

J-FET Amplifier 2 Circuit 8-SO

Data Conversion IC Development Tools LTC2273CUJ 16-bit, 80Msps Serial ADC, 70MHz < Ain < 140MHz, req. DC890

CMOS, 12-Bit Serial DACPORT Features: 12-Bit CMOS DAC with On-Chip Voltage Reference Output Amplifier Three Selectable Output Ranges -5 V to + 5 V, 0 V to +5 V, 0 V to +10 V Serial Interface 300 kHz DAC Update Rate Small Size: 16-Lead DIP or SOIC Nonlinearity: ±1/2 LSB Tmin to Tmax Low Power Dissipation: 100 mW Typical  

Low Power, 24-Bit, 31.25 kSPS, Sigma-Delta ADC with True Rail-to-Rail Buffers Features: Fast and flexible output rate: 1.25 SPS to 31.25 kSPS Channel scan data rate of 6.21 kSPS/channel (161 µs settling) Performance specifications 17.2 noise free bits at 31.25 kSPS 24 noise free bits at 5 SPS INL: ±2 ppm of FSR 85 dB rejection of 50 Hz and 60 Hz with 50 ms settling User configurable input channels 2 fully differential channels or 4 single-ended channels Crosspoint multiplexer On-chip 2.5 V reference (±2 ppm/°C drift) True rail-to-rail analog and reference input buffers Internal or external clock See data sheet for additional features

Pin-Programmable, Ultralow Noise, 24-Bit, Sigma-Delta ADC for Bridge Sensors Features:Pin-programmable output rateOutput data rate: 10 Hz, 50 Hz, 60 Hz, 120 HzPin-programmable PGAGain: 1, 8, 64, 128Pin-programmable power-down and resetRMS noise: 15 nV @ 10 Hz (gain = 128)Up to 21.5 noise free bits (gain = 1)Please see data sheet for additional features

isoSPI Isolated Communications Interface Features: AEC-Q100 Qualified for Automotive Applications 1Mbps Isolated SPI Data Communications Simple Galvanic Isolation Using Standard Transformers Bidirectional Interface Over a Single Twisted Pair Supports Cable Lengths Up to 100 Meters Very Low EMI Susceptibility and Emissions Configurable for High Noise Immunity or Low Power Engineered for ISO26262 Compliant Systems Requires No Software Changes in Most SPI Systems Ultralow, 2µA Idle Current Automatic Wake-Up Detection Operating Temperature Range: –40°C to 125°C 2.7V to 5.5V Power Supply Interfaces to All Logic from 1.7V to 5.5V Available in 16-Lead QFN and MSOP Packages