Multi-Sensor High Accuracy Digital Temperature Measurement System Features: Directly Digitize RTDs, Thermocouples, Thermistors, and Diodes Single 2.85V to 5.25V Supply Results Reported in °C or °F 20 Flexible Inputs Allow Interchanging Sensors Automatic Thermocouple Cold Junction Compensation Built-In Standard and User-Programmable Coefficients for Thermocouples, RTDs and Thermistors Configurable 2-, 3- or 4-Wire RTD Configurations Measures Negative Thermocouple Voltages Automatic Burn Out, Short-Circuit and Fault Detection Buffered Inputs Allow External Protection Simultaneous 50Hz/60Hz Rejection Includes 10ppm/°C (max) Reference (I-Grade)

EN55022B Compliant 58V, 4A Step-Down DC/DC Module Regulator Features: Complete Low EMI Switch Mode Power Supply EN55022 Class B Compliant Wide Input Voltage Range: 3.1V to 58V Up to 4A Output Current Output Voltage Range: 0.5V ≤ VOUT ≤ 0.94 • VIN ±1.67% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C) Parallel and Current Share with Multiple LTM4653s Analog Output Current Indicator Programmable Input Voltage Limiting Constant-Frequency Current Mode Control Power Good Indicator and Programmable Soft-Start Overcurrent/Overvoltage/Overtemperature Protection 15mm × 9mm × 5.01mm BGA Package

25V, 600mA Buck-Boost DC/DC Converter with 1.6A Quiescent Current Features: Regulates VOUT Above, Below or Equal to VIN Wide VIN Range: 2.4V to 25V, <1V to 25V (Using EXTVCC Input) VOUT Range: 1V to 25V Adjustable Output Voltage (LTC3130) Four Selectable Fixed Output Voltages (LTC3130-1) 1.2µA No-Load Input Current in Burst Mode® Operation (VIN = 12V, VOUT = 5V) 600mA Output Current in Buck Mode Pin-Selectable 850mA/450mA Current Limit (LTC3130) Up to 95% Efficiency Pin-Selectable Burst Mode Operation 1.2MHz Ultralow Noise PWM Frequency Accurate RUN Pin Threshold n Power Good Indicator Programmable Maximum Power Point Control IQ = 500nA in Shutdown Thermally-Enhanced 20-Lead 3mm × 4mm QFN and 16-Lead MSOP Packages

IC Multidisplay LED Controller Features: Step-Up/Direct-Connect Fractional Charge Pump Provides Up to 92% Efficiency Up to 400mA Continuous Output Current Independent Current and Dimming Control for 1-6 LED MAIN, 1-4 LED SUB and RGB LED Displays LED Currents Programmable Using 2-Wire I2C™ Serial Interface 1% LED Current Matching Low Noise Constant Frequency Operation* Minimal Component Count Automatic Soft-Start Limits Inrush Current 16 Exponentially Spaced Dimming States Provides 128:1 Brightness Range for MAIN and SUB Displays Up to 4096 Color Combinations for RGB Display Low Operating Current: IVIN = 180µA Tiny, Low Profile 24-Lead (4mm × 4mm × 0.75mm) QFN Package

Dual 2.6A, 2.5V to 5.5V, Ideal Diodes in 3mm 3mm DFN Features: 2-Channel Ideal Diode ORing or Load Sharing Low Loss Replacement for ORing Diodes Low Forward On-Resistance (100mΩ Max at 3.6V) Low Reverse Leakage Current (1μA Max) Small Regulated Forward Voltage (28mV Typ) 2.5V to 5.5V Operating Range 2.6A Maximum Forward Current Internal Current Limit and Thermal Protection Slow Turn-On/Off to Protect Against Inductive Source Impedance-Induced Voltage Spiking Ultralow Quiescent Current Consumption, Low Power Alternative to the LTC4413-1 Status Output to Indicate if Selected Channel is Conducting Programmable Channel On/Off Low Profile (0.75mm) 10-Lead 3mm × 3mm DFN Package

Quad,12-Bit nanoDAC with 5ppm/C On-Chip Reference Features: Low power, smallest pin-compatible, quad nanoDACs  AD5664R: 16 bits AD5644R: 14 bits AD5624R: 12 bits User selectable external or internal reference External reference default On-chip 1.25 V/2.5 V, 5 ppm/°C reference 10-lead MSOP; 10-lead, 3 mm × 3 mm LFCSP_WD; and 12-ball, 1.665 mm × 2.245 mm WLCSP 2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale Per channel power-down Serial interface, up to 50 MHz

Dual 12-Bit nanoDAC+ with 2 ppm/C Reference, I2C Interface Features: Low drift 2.5 V reference: 2 ppm/°C typical Tiny package: 3 mm × 3 mm, 16-lead LFCSP Total unadjusted error (TUE): ±0.1% of full-scale range (FSR) maximum Offset error: ±1.5 mV maximum Gain error: ±0.1% of FSR maximum High drive capability: 20 mA, 0.5 V from supply rails User selectable gain of 1 or 2 (GAIN pin) Reset to zero scale or midscale (RSTSEL pin) 1.8 V logic compatibility Low glitch: 0.5 nV-sec 400 kHz I2C-compatible serial interface Low power: 3.3 mW at 3 V 2.7 V to 5.5 V power supply −40°C to +105°C temperature range

Single-Channel, 16-Bit Current and Voltage Output DAC with Dynamic Power Control and HART Connectivity Features: 16-bit resolution and monotonicity DPC for thermal management Current/voltage output available on a single terminal Current output ranges: 0 mA to 20 mA, 4 mA to 20 mA, 0 mA to 24 mA, ±20 mA, ±24 mA, −1 mA to +22 mA Voltage output ranges (with 20% overrange): 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V User-programmable offset and gain Advanced on-chip diagnostics, including a 12-bit ADC On-chip reference Robust architecture, including output fault protection EMC test standards: IEC 61000-4-6 conducted immunity (10 V, Class A) IEC 61000-4-3 radiated immunity (20 V/m, Class A) IEC 61000-4-2 ESD (±6 kV contact, Class B) IEC 61000-4-4 electrical fast transient (EFT) (±4 kV, Class B) IEC 61000-4-5 surge (±4 kV, Class B) 32-lead, 5 mm × 5 mm LFCSP −40°C to +115°C temperature range

High Precision, Impedance & Electrochemical Front End Features: Analog input 16-bit ADC with both 800 kSPS and 1.6 MSPS options Voltage, current, and impedance measurement capability Internal and external current and voltage channels Ultralow leakage switch matrix and input mux Input buffers and programmable gain amplifier Voltage DACs Dual output voltage DAC with an output range of 0.2 V to 2.4 V 12-bit VBIAS0 output to bias potentiostat 6-bit VZERO0 output to bias TIA Ultra low power: 1 µA 1 high speed, 12-bit DAC Output range to sensor: ±607 mV Programmable gain amplifier on output with gain settings of 2 and 0.05 Amplifiers, accelerators, and references 1 low power, low noise potentiostat amplifier suitable for potentiostat bias in electrochemical sensing 1 low noise, low power TIA, suitable for measuring sensor current output 50 pA to 3 mA range Programmable load and gain resistors for sensor output Analog hardware accelerators Digital waveform generator Receive filters Complex impedance measurement (DFT) engine 1 high speed TIA to handle wide bandwidth input signals from 0.015 Hz up to 200 kHz Digital waveform generator for generation of sinusoid and trapezoid waveforms 2.5 V and 1.82 V internal reference voltage sources System level power savings Fast power-up and power-down analog blocks for duty cycling Programmable AFE sequencer to minimize workload of host controller 6 kB SRAM to preprogram AFE sequences Ultra low power potentiostat channel: 6.5 µAof current consumption when powered on and all other blocks in hibernate mode Smart sensor synchronization and data collection Cycle accurate control of sensor measurement Sequencer controlled GPIOs On-chip peripherals SPI serial input/output Wake-up timer Interrupt controller Power 2.8 V to 3.6 V supply 1.82 V input/output compliant Power-on reset Hibernate mode with low power DAC and potentiostat amplifier powered up to maintain sensor bias Package and temperature range 3.6 mm × 4.2 mm, 56-ball WLCSP 7 mm × 7 mm, 48-lead LFCSP Fully specified for operating temperature range of −40°C to +85°C AD5940 and AD5941 fully specified for operating temperature range of −40°C to +85°C AD5941W fully specified for operating temperature range of −40°C to +105°C AEC-Q100 qualified for automotive applications

4-Channel, I2C, Ultralow Power 12-Bit ADC in 20-Lead LFCSP/TSSOP Features: I2C-compatible serial interface supports standard and fast modes Ultralow power: 90 μW typical at 3 V in fast mode Specified for VDD of 2.7 V to 5.25 V On-chip accurate 2.5 V reference, 5 ppm/°C typical drift 4 single-ended analog input channels ALERT function BUSY function Autocycle mode Wide input bandwidth 68 dB signal-to-noise ratio (SNR) typical at input frequency of 1 kHz Flexible power/throughput rate management No pipeline delays Power-down mode 550 nA typical at VDD = 5.25 V 435 nA typical at VDD = 3 V 20-lead LFCSP and TSSOP packages Temperature range: −40°C to +125°C