Lithium Ion Battery Monitoring System Features: 12-bit ADC, 1 μs per channel conversion time 6 analog input channels,  CM range 0.5 V to 27.5 V 6 auxiliary ADC Inputs ±1.6 mV cell voltage accuracy On-chip voltage regulator Cell balancing interface Daisy-chain interface Internal reference: ±3 ppm/°C 1.8 μA power-down current High input impedance Serial interface with alert function See data sheet for additional features

True Bipolar Input, Dual 14-Bit, 2-Channel, Simultaneous Sampling SAR ADC Features: Dual 12-bit/14-bit, 2-channel ADC True bipolar analog inputs Programmable input ranges:  ±10 V, ±5 V, 0 V to 10 V  ±12 V with 3 V external reference Throughput rate: 1 MSPS Simultaneous conversion with read in less than 1 μs Low current consumption:  8.3 mA typical in normal mode  320 nA typical in shutdown mode AD7366  72 dB SNR at 50 kHz input frequency  12-bit no missing codes AD7367  76 dB SNR at 50 kHz input frequency  14-bit no missing codes Accurate on-chip reference: 2.5 V ± 0.2% −40°C to +85°C operation High speed serial interface Compatible with SPI®, QSPI™, MICROWIRE™, and DSP High analog input impedance

16-Bit, Isolated Sigma-Delta Modulator Features: 10 MHz internal clock rate 16 bits, no missing codes Signal-to-noise ratio (SNR): 87 dB typical Effective number of bits (ENOB): 13.5 bits typical Typical offset drift vs. temperature: 1.7 µV/°C On-board digital isolator On-board reference Full-scale analog input range: ±320 mV −40°C to +105°C operating range High common-mode transient immunity: >25 kV/µs 8-lead, wide-body SOIC, with increased creepage package Slew rate limited output for low electromagnetic interference (EMI)

8-Channel, 8.5 kHz, 24-Bit Sigma-Delta A/D Converter Features: High Resolution ADC 24 Bits No Missing Codes 0.0015% Nonlinearity Optimized for Fast Channel Switching 18-Bits p-p Resolution (21 Bits Effective) at 500 Hz 16-Bits p-p Resolution (19 Bits Effective) at 8.5 kHz 15-Bits p-p Resolution (18 Bits Effective) at 15 kHz On-Chip Per Channel System Calibration Configurable Inputs 8 Single-Ended or 4 Fully Differential Input Ranges +625 mV, +1.25 V, +2.5 V, 625 mV, 1.25 V, 2.5 V 3-Wire Serial Interface SPI™, QSPI™, MICROWIRE™ and DSP Compatible Schmitt Trigger on Logic Inputs Single-Supply Operation 5 V Analog Supply 3 V or 5 V Digital Supply Package: 28-Lead TSSOP

8-Channel, 24-Bit, Simultaneous Sampling ADC Features: 8-channel, 24-bit simultaneous sampling ADC Single-ended or true differential inputs PGA per channel (gains of 1, 2, 4, and 8) Low dc input current ±4 nA (differential)/±8 nA (single-ended) Up to 128 kSPS ODR per channel Programmable ODRs and bandwidth SRC for coherent sampling Sampling rate resolution up to 15.2 × 10−6 SPS Low latency sinc3 and sinc5 filter paths Adjustable phase synchronization Internal 2.5 V reference Two power modes High resolution mode Low power mode Optimizes power dissipation and performance Low resolution SAR ADC for system and chip diagnostics Power supply Bipolar (±1.65 V) or unipolar (3.3 V) supplies Digital I/O supply: 1.8 V to 3.6 V Performance temperature range: −40°C to +105°C Functional temperature range: −40°C to +125°C Performance Combined ac and dc performance 107 dB SNR/dynamic range at 32 kSPS in high resolution mode (sinc5) −109 dB THD ±8 ppm of FSR INL ±15 μV offset error ±0.1% FS gain error ±10 ppm/°C typical temperature coefficient

3-Channel, Low Noise, Low Power, 16-Bit Sigma Delta ADC with On-Chip In-Amp and Reference Features: Up to 23 bits effective resolution RMS noise 40 nV @ 4.17 Hz 85 nV @ 16.7 Hz Current: 400 μA typical Power-down: 1 μA maximum Low noise programmable gain instrumentation amp Band gap reference with 4 ppm/°C drift typical Update rate: 4.17 Hz to 470 Hz 3 differential inputs Internal clock oscillator Simultaneous 50 Hz/60 Hz rejection

18-Bit, 5 MSPS PULSAR Differential ADC Features: Throughput: 5 MSPS 18-bit resolution with no missing codes SNR 99 dB INL +/-0.8 LSB DNL +/-0.5 LSB True differential analog input voltage range: ±4.096 V or ±5 V Low power dissipation (39 mW) SAR architecture External reference options Serial LVDS interface 32-lead, 5mm × 5mm LFCSP (QFN) See datasheet for more details

Precision Integrated Analog Front End, Controller, and PWM for Battery Test and Formation Systems Features: CC and CV battery test and formation modes with transparent and automatic switchover, for systems of 20 Ah or less Precise measurement of voltage and current Independent feedback control blocks Highly accurate, factory trimmed instrumentation and differential amplifiers In-amp for current sense gain: 66 V/V Difference amplifier for voltage sense gain: 0.4V/V Stable over temperature: offset voltage drift <0.6 µV/°C (maximum) Gain drift: <3 ppm/°C (maximum) Current sense CMRR: 120 dB minimum Popular SMPS control for charge/discharge High PWM linearity with internal ramp voltage 50 kHz to 300 kHz user controlled switching frequency Synchronization output or input with adjustable phase shift Programmable soft start

SigmaDSP Digital Audio Processor Features: Qualified for automotive applications Fully programmable audio DSP for enhanced sound processing Features SigmaStudio, a proprietary graphical programming tool for the development of custom signal flows Clock oscillator for generating master clock from crystal Up to 294.912 MHz, 32-bit SigmaDSP core at 1.2 V Up to 6144 SIMD instructions per sample at 48 kHz Up to 40 kWords of parameter/data RAM Up to 800 ms digital audio delay pool at 48 kHz Audio input/output and routing 4 serial input ports, 4 serial output ports 48-channel, 32-bit digital input/output up to a sample rate of 192 kHz Flexible configuration for TDM, I2S, left and right justified formats, and PCM Up to 8 stereo ASRCs from 1:8 up to 7.75:1 ratio and 139 dB DNR Stereo S/PDIF input and output Four PDM microphone input channels Multichannel, byte addressable, TDM serial ports Integer PLL and flexible clock generators Integrated die temperature sensor

Four-ADC, Two-DAC, Low Power Codec with Audio Processor Features: Programmable audio processing engine Fast (up to 768 kHz) and slow processing paths Biquad filters, limiters, volume controls, and mixing Low latency, 24-bit ADCs and DACs 102 dB SNR (through PGA and ADC with A weighted filter) 108 dB combined SNR (through DAC and headphone with A weighted filter) Serial port sampling rate from 8 kHz to 192 kHz 5 μs analog-to-analog latency 4 single-ended analog inputs, configurable as microphone or line inputs Dual stereo digital microphone inputs Stereo analog audio output, single-ended or differential, configurable as either line output or headphone driver PLL supporting any input clock rate from 8 MHz to 27 MHz Full duplex, asynchronous sample rate converters (ASRCs) Power supplies Analog and digital input/output of 1.8 V to 3.3 V Digital signal processing (DSP) core of 1.1 V to 1.8 V Low power I2C and SPI control interfaces, self boot from I2C EEPROM 7 multipurpose (MPx) pins for digital controls and outputs