16-Channel, 12-/16-Bit nanoDAC+ with 2 ppm/C Voltage Reference TC, I2C Interface Features: High relative accuracy (INL): ±4 LSB maximum at 16 bits (AD5677R only) TUE: ±0.14% of FSR maximum Offset error: ±1.5 mV maximum Gain error: ±0.06% of FSR maximum Low drift, 2.5 V voltage reference TC: 2 ppm/°C typical 40 mA short-circuit current Wide operating ranges −40°C to +125°C temperature range 2.7 V to 5.5 V power supply range Simplified implementation User selectable gain of 1 or 2 (GAIN pin) 1.8 V logic compatibility 400 kHz I2C-compatible serial interface 28-lead, 4 mm × 4 mm, RoHS compliant LFCSP

5 V 18-Bit nanoDAC in a SOT-23 Features: Single 18-bit nanoDAC 18-bit monotonic 12-bit accuracy guaranteed Tiny 8-lead SOT-23 package Power-on reset to zero scale/midscale 4.5 V to 5.5 V power supply Serial interface Rail-to-rail operation SYNC interrupt facility Temperature range: −40°C to +105°C

Tiny 16-Bit SPI nanoDAC+, with 2 (16-Bit) LSB INL and 2 ppm/C Reference Features: Ultrasmall package: 2 mm × 2 mm, 8-lead LFCSP High relative accuracy (INL): ±2 LSB maximum at 16 bits AD5683R/AD5682R/AD5681R Low drift, 2.5 V reference: 2 ppm/°C typical Selectable span output: 2.5 V or 5 V Total unadjusted error (TUE): 0.06% of FSR maximum Offset error: ±1.5 mV maximum Gain error: ±0.05% of FSR maximum Low glitch: 0.1 nV-sec High drive capability: 20 mA Low power: 1.2 mW at 3.3 V Independent logic supply: 1.62 V logic compatible Wide operating temperature range: −40°C to +105°C Robust 4 kV HBM ESD protection

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

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

60VIN, 3A Silent Switcher Module Regulator Features: Complete Step-Down Switch Mode Power Supply Low Noise Silent Switcher® Architecture Wide Input Voltage Range: 3.4V to 60V Wide Output Voltage Range: 0.8V to 15V 3A Continuous Output Current, 5A Peak Parallelable for Increased Output Current Selectable Switching Frequency: 200kHz to 3MHz Programmable Soft-Start 6.25mm × 9mm × 3.32mm BGA Package

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4.5V to 60V (65V Abs Max) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 99% • VIN Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) No External Bootstrap Diodes Required Low Operating IQ: 29μA (One Channel On) Selectable Gate Drive UVLO Thresholds Out-of-Phase Operation Reduces Required Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency: 75kHz to 850kHz Selectable Continuous, Pulse Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit (LTC3892/LTC3892-2) Very Low Dropout Operation: 99% Duty Cycle Power Good Output Voltage Monitors (LTC3892/LTC3892-2) Low Shutdown IQ: 3.6μA Small 32-Lead 5mm × 5mm QFN Package (LTC3892/LTC3892-2) or TSSOP Package (LTC3892-1)

Dual Channel 2A, 42V,Synchronous Step-Down Silent Switcher 2with 6.2A Quiescent Current Features: Silent Switcher®2 Architecture: Ultralow EMI on Any PCB Eliminates PCB Layout Sensitivity Internal Bypass Capacitors Reduce Radiated EMI Optional Spread Spectrum Modulation 2A DC from Each Channel Simultaneously Up to 3A on Either Channel Ultralow Quiescent Current Burst Mode® Operation: 6.2μA IQ Regulating 12VIN to 5VOUT1 and 3.3VOUT2 Output Ripple < 10mVP–P Optional External VC Pin: Fast Transient Response Forced Continuous Mode High Efficiency at High Frequency 94.1% Efficiency at 1A, 5VOUT from 12VIN at 2MHz Pin-Selectable Fixed Output Voltages: 5V, 3.3V, 1.8V Fast Minimum Switch-On Time: 30ns Wide Input Voltage Range: 3.0V to 42V Adjustable and Synchronizable: 300kHz to 3MHz Fixed Output Pin Strap Options Internal 2MHz fSW with Fast Internal Compensation Small 4mm × 3mm 20-Pin LQFN Package AEC-Q100 Qualified for Automotive Applications

Single Port PoE/PoE+/LTPoE++ PSE Controller Features: Compliant with IEEE 802.3at Type 1 and 2 Supports LTPoE++® Up to 90W Supports Dual-Signature PDs Fully Autonomous Operation without Microcontroller Very Low Power Dissipation 0.1Ω Sense Resistance Low RDS(ON) External MOSFET Very High Reliability 4-Point PD Detection 2-Point Forced Voltage and Forced Current Robust Short-Circuit Protection Cable Surge Protected ±80V OUT pin Classification Dependent ICUT and ILIM Current Thresholds Supports 2-Pair and 4-Pair Output Power UltraPWR Mode Supports Custom PDs up to 123W Pin-Selectable Detection Backoff Timer for Midspans Pin Programmable Legacy PD Detection Pin Programmable Maximum Power Mode Status LED Pin Available in 20-Pin QFN and 16-Pin SO Packages