3.3/5Vin 2A Ultra Low Noise LDO ADJ

Switching Voltage Regulators CMOS Voltage Converter

Linear Voltage Regulator IC Positive Fixed 1 Output 150mA 8-MSOP

10 Volt Precision Reference Series Features:Very High Accuracy: 10,000 Volts 2.5mV (L and U)Low Temperature Coefficient: 3ppm/CPerformance Guaranteed -55C to +125C10mA Output Current CapabilityLow NoiseShort Circuit ProtectedAvailable as /883B

Isolated Module DC DC Converter 1 Output 2.5 ~ 12V 440mA 3.1V - 31V Input

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

Low Cost, Low Power, True RMS-to-DC Converter Features: Converts an ac voltage waveform to a dc voltage and then converts to the true rms, average rectified, or absolute value 200 mV rms full-scale input range (larger inputs with input attenuator) High input impedance: 1012 Ω  Low input bias current: 25 pA maximum High accuracy: ±0.3 mV ± 0.3% of reading RMS conversion with signal crest factors up to 5 Wide power supply range: +2.8 V, −3.2 V to ±16.5 V Low power: 200 μA maximum supply current Buffered voltage output No external trims needed for specified accuracy Related device: the AD737 features a power-down control with standby current of only 25 μA; the dc output voltage is negative and the output impedance is 8 kΩ

High Performance, Polyphase Energy, and Class S Power Quality Monitoring IC Features: 7 high performance, 24-bit Σ-Δ ADCs 101 dB SNR at 8 kSPS with PGA = 1 Wide input voltage range: ±1 V, 707 mV rms full scale at gain = 1 Differential inputs ±25 ppm/°C maximum channel drift (including ADC, internal VREF, PGA drift) enabling 10000:1 dynamic input range, Class 0.2 metrology with standard external components With the optional ADSW-PQ-CLS Power Quality Library, the complete IEC 61000-4-30 Class S power quality standard is implemented including: Power frequency 10 sec average Magnitude of the supply Dips and swells Interruptions Rapid voltage change Flicker Mains signaling voltage Underdeviation and overdeviation Voltage and current Magnitude Harmonics Interharmonics Unbalance THD Waveform recording Optional ADSW-PQ-CLS Power Quality Library compatible with ARM® Cortex microcontrollers VRMS one-cycle and IRMS one-cycle refreshed each cycle VRMS and IRMS filtered and updated every sample 10 cycle rms/12 cycle rms Period registers to calculate line frequency, one per phase Zero crossing and zero-crossing timeout Phase angle measurements Supports CTs Multipoint phase and gain compensations for CTs Rogowski coils with the addition of an external analog integrator Continuous resampled data available Waveform buffer Advanced metrology feature set Total and fundamental active power, volt amperes reactive (VAR), volt amperes (VA), watthour, VAR hour, and VA hour Total and fundamental IRMS and VRMS Power factor Supports active energy standards: IEC 62053-21 and IEC 62053-22, EN50470-3, OIML R46, and ANSI C12.20 Supports reactive energy standards: IEC 62053-23 and IEC 62053-24 High speed communication port: 20 MHz SPI Integrated temperature sensor with 12-bit successive approximation register (SAR) ADC ±3°C accuracy from −40°C to +85°C

6.5 V, 1 A, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO Features: Input voltage range: 2.3 V to 6.5 V Maximum load current: 1 A Low noise: 5 μV rms independent of output voltage at 100 Hz to 100 kHz Fast transient response: 1.5 μs for 1 mA to 500 mA load step 60 dB PSRR at 100 kHz Low dropout voltage: 42 mV at 500 mA load, VOUT = 3 V Initial accuracy: −0.5% (minimum), +1% (maximum) Accuracy over line, load, and temperature: ±1.5% Quiescent current, IGND = 0.7 mA with no load Low shutdown current: 0.25 μA at VIN = 5 V Stable with small 4.7 μF ceramic output capacitor Adjustable and fixed output voltage options: 1.2 V to 5.0 V Adjustable output from 1.2 V to VIN − VDO Precision enable Adjustable soft start 8-lead, 3 mm × 3 mm LFCSP package Supported by ADIsimPower tool

Microprocessor Supervisory Circuit in 3-Lead SC70, Active-Low Open-Drain Output Features: Specified over temperature Low power consumption (17 μA) Precision voltage monitor: 2.5 V, 3 V, 3.3 V, 5 V options Reset assertion down to 1 V VCC 140 ms minimum power-on reset Open-drain RESET output