High Efficiency Thermoelectric Cooler Controller Features: High Efficiency, Low Noise Topology Adjustable Output Slew Rate Reduces EMI Full-Bridge Controller for Bidirectional Current Control Adjustable Pulse-by-Pulse Bidirectional TEC Current Limit Open/Shorted Thermistor Indication Solution Footprint in Less Than 0.6' x 0.8' (Double-Sided PCB) Available in 5mm x 5mm QFN and 28-Pin SSOP Packages TEC Voltage Clamping TEC Current, Voltage and Heat/Cool Status Outputs Adjustable/Synchronizable Oscillator Frequency Reduces Filter Component Size and System Noise 2.5V Reference Voltage Output 2.7V Minimum Operating Voltage

Very Low Noise, High Frequency Active RC, Filter Building Block Features: Up to 10MHz Center Frequency on a Single 3V Supply Easy to Use—A Single Resistor Value Sets Lowpass Cutoff Frequency (200kHz <  fC < 5MHz), Unequal Resistor Values Extend Cutoff Frequency Up to 10MHz Extremely Flexible—Different Resistor Values Allow Lowpass Transfer Functions with or Without Gain SNR = 92dB (fC = 2MHz, 2VP-P) THD = –84dB (fC = 2MHz, 1VP-P) Internal Capacitors Trimmed to ±0.75% Single 4-Pole Lowpass Filter or Matched Pair of 2-Pole Lowpass Filters Can be Connected as a Bandpass Filter Single-Ended or Differential Output Operates from Single 3V (2.7V Min) to ±5V Supply Rail-to-Rail Input and Output Voltages

24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution Features: Up to 8 Differential or 16 Single-Ended Input Channels Up to 8kHz Output Rate Up to 4kHz Multiplexing Rate Selectable Speed/Resolution 2µVRMS Noise at 1.76kHz Output Rate 200nVRMS Noise at 13.8Hz Output Rate with Simultaneous 50/60Hz Rejection Guaranteed Modulator Stability and Lock-Up Immunity for any Input and Reference Conditions 0.0005% INL, No Missing Codes Autosleep Enables 20µA Operation at 6.9Hz <5µV Offset (4.5V < VCC < 5.5V, –40°C to 85°C) Differential Input and Differential Reference with GND to VCC Common Mode Range No Latency Mode, Each Conversion is Accurate Even After a New Channel is Selected Internal Oscillator-No External Components LTC2445/LTC2449 Include MUXOUT/ADCIN for External Buffering or Gain Tiny QFN 5mm x 7mm Package

Micropower, 3-Axis, 400 g, Digital Output, MEMS Accelerometer Features: ±400 g measurement range 160 Hz to 2560 Hz user selectable bandwidth with 4-pole antialiasing filter Selectable oversampling ratio Adjustable high-pass filter Ultra Low power Power can be derived from a coin cell battery 19 μA at 2560 Hz ODR, 2.5 V supply Low power wake-up mode for low g activity detection 1.4 μA instant on mode with adjustable threshold 0.1 μA standby mode Built-in features for system level power savings Autonomous interrupt processing without processor intervention Ultra low power event monitoring: detects impacts and wakes up fast enough to capture the transient events Adjustable low g threshold activity and inactivity detection Wide operating voltage range: 1.6 V to 3.5 V Acceleration sample synchronization via external trigger SPI digital interface and I2C interface format support 12-bit output at 200 mg/LSB scale factor Wide temperature range: −40°C to +105°C Small, thin 3.00 mm × 3.25 mm × 1.06 mm package

16-Bit 8-/16-Channel ADC with PGA and Easy Drive Input Current Cancellation Features: Up to 8 Differential or 16 Single-Ended Inputs Easy Drive™ Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current Directly Digitizes High Impedance Sensors with Full Accuracy 600nVRMS Noise Programmable Gain from 1 to 256 Integrated High Accuracy Temperature Sensor GND to VCC Input/Reference Common Mode Range Programmable 50Hz, 60Hz or Simultaneous 50Hz/60Hz Rejection Mode 2ppm INL, No Missing Codes 1ppm Offset and 15ppm Full-Scale Error 2x Speed Mode/Reduced Power Mode (15Hz Using Internal Oscillator and 80μA at 7.5Hz Output) No Latency: Digital Filter Settles in a Single Cycle, Even After a New Channel Is Selected Single-Supply 2.7V to 5.5V Operation Internal Oscillator Tiny 5mm × 7mm QFN Package

Clock-Tunable, Quad Second Order, Filter Building Blocks Features: Four Identical 2nd Order Filter Sections in an SSOP Package 2nd Order Section Center Frequency Error: ±0.3% Typical and ±0.8% Maximum Low Noise per 2nd Order Section, Q ≤ 5: LTC1068-200 50µVRMS, LTC1068 50µVRMS  LTC1068-50 70µVRMS, LTC1068-25 90µVRMS Low Power Supply Current: 4.5mA, Single 5V, LTC1068-50 Operation with ±5V Power Supply, Single 5V Supply or Single 3.3V Supply

Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/C Reference Features: Integrated Precision Reference 2.5V Full-Scale 10ppm/°C (LTC2636-L) 4.096V Full-Scale 10ppm/°C (LTC2636-H) Maximum INL Error: 2.5LSB (LTC2636-12) Low Noise: 0.75mVP-P 0.1Hz to 200KHz Guaranteed Monotonic Over –40°C to 125°C Temperature Range Selectable Internal or External Reference 2.7V to 5.5V Supply Range (LTC2636-L) Ultralow Crosstalk Between DACs (<2.4nV•s) Low Power: 0.9mA at 3V (LTC2636-L) Power-On-Reset to Zero-Scale/Mid-Scale Double-Buffered Data Latches Tiny 14-Lead 4mm × 3mm DFN and 16-Lead MSOP Packages

High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control Features: General Purpose Battery Charger Controller Efficient 550kHz Synchronous Buck PWM Topology ±0.5% Output Float Voltage Accuracy Programmable Charge Current: 4% Accuracy Programmable AC Adapter Current Limit: 3% Accuracy No Audible Noise with Ceramic Capacitors INFET Low Loss Ideal Diode PowerPath™ Control Wide Input Voltage Range: 6V to 28V Wide Output Voltage Range: 2V to 28V Indicator Outputs for AC Adapter Present, Charging, C/10 Current Detection and Input Current Limiting Analog Charge Current Monitor Micropower Shutdown 20-Pin 4mm × 4mm × 0.75mm QFN Package

32 Gbps Limiting Amplifier SMT Features: Supports Data Rates up to 43 Gbps Low Power Dissipation: 300 mW @ VCC = +3.3V Differential Small Signal Gain: 30 dB High Input Sensitivity: 10 mVP-P Differential 3-dB Bandwidth: 26.5 GHz Adjustable Output Voltage Swing up to 800 mVP-P Differential 16 Lead 3x3mm SMT package: 9mm2

High Voltage Latch-Up Proof, Quad SPST Switches Features: Latch-up proof 8 kV human body model (HBM) ESD rating Low on resistance (<10 Ω) ±9 V to ±22 V dual-supply operation 9 V to 40 V single-supply operation 48 V supply maximum ratings Fully specified at ±15 V, ±20 V, +12 V, and +36 V VSS to VDD analog signal range Qualified for automotive applications