Analog to Digital Converters - ADC 24-Bit uPower 2/Ch Delta-Sigma ADC

2A, 3MHz Micropower Synchronous Boost Converter Features: Synchronous Rectification: Up to 97% Efficiency 2A Switch Current Rating Fixed Frequency Operation Up to 3MHz Wide Input Range: 0.5V to 5V Very Low Quiescent Current: 38µA (Burst Mode® Operation) 2.6V to 5V Adjustable Output Voltage 0.85V (Typ) Start-Up Voltage No External Schottky Diode Required (VOUT < 4.3V) Synchronizable Switching Frequency Burst Mode Enable Control Antiringing Control Reduces Switching Noise PGOOD Output OPTI-LOOP® Compensation Very Low Shutdown Current: <1µA Small 10-Pin MSOP Package

Standalone Li-Ion Switch Mode Battery Charger Features: Wide Input Supply Range: 4.7V to 22V – 4.2 Version 8.9V to 22V – 8.4 Version High Efficiency Current Mode PWM Controller with 500kHz Switching Frequency ±1% Charge Voltage Accuracy End-of-Charge Current Detection Output 3 Hour Charge Termination Timer Constant Switching Frequency for Minimum Noise ±5% Charge Current Accuracy Low 10µA Reverse Battery Drain Current Automatic Battery Recharge Automatic Shutdown When Input Supply is Removed Automatic Trickle Charging of Low Voltage Batteries Battery Temperature Sensing and Charge Qualification Stable with Ceramic Output Capacitor 8-Lead SO and 10-Lead DFN Packages

Standalone Li-Ion Switch Mode Battery Charger Features: Wide Input Supply Range: 4.7V to 22V – 4.2 Version 8.9V to 22V – 8.4 Version High Efficiency Current Mode PWM Controller with 500kHz Switching Frequency ±1% Charge Voltage Accuracy End-of-Charge Current Detection Output 3 Hour Charge Termination Timer Constant Switching Frequency for Minimum Noise ±5% Charge Current Accuracy Low 10µA Reverse Battery Drain Current Automatic Battery Recharge Automatic Shutdown When Input Supply is Removed Automatic Trickle Charging of Low Voltage Batteries Battery Temperature Sensing and Charge Qualification Stable with Ceramic Output Capacitor 8-Lead SO and 10-Lead DFN Packages

600MHz, Low Noise, High Precision Fully Differential Input/Output Amplier/Driver Features: Fully Differential Input and Output Low Noise: 1.5nV/√Hz RTI Very Low Distortion: LTC6404-1 (2VP-P , 10MHz): –91dBc LTC6404-2 (2VP-P , 10MHz): –96dBc LTC6404-4 (2VP-P , 10MHz): –101dBc Closed-Loop –3dB Bandwidth: 600MHz Slew Rate: 1200V/μs (LTC6404-4) Adjustable Output Common Mode Voltage Rail-to-Rail Output Swing Input Range Extends to Ground Large Output Current: 85mA (Typ) DC Voltage Offset < 2mV (Max) Low Power Shutdown Tiny 3mm × 3mm × 0.75mm 16-Pin QFN Package

2.7GHz, 5V, Low Noise, Rail-to-Rail Input Differential Amplifier/Driver Features: Low Noise: 1.6nV/√Hz RTI Low Power: 18mA at 5V Low Distortion (HD2/HD3): –82dBc/–65dBc at 50MHz, 2VP-P –97dBc/–91dBc at 25MHz, 2VP-P Rail-to-Rail Differential Input 4.5V to 5.25V Supply Voltage Range Fully Differential Input and Output Adjustable Output Common Mode Voltage 800MHz –3dB Bandwidth with AV = 1 Gain-Bandwidth Product: 2.7GHz Low Power Shutdown Available in 8-Lead MSOP and 16-Lead 3mm × 3mm × 0.75mm QFN Packages

1.8V to 5.5V RS-232 Single and Dual Transceivers Features: 1.8V to 5.5V Supply Voltage Single and Dual Transceivers High-Speed Operation 1Mbps for 250pF/3kΩ Load (LTC2802, LTC2804) 250kbps for 1nF/3kΩ Load 100kbps for 2.5nF/3kΩ TIA/EIA-232-F Load Low-Power 1μA Shutdown and 15μA Receivers-Active Modes No Damage or Latchup to ±10kV ESD on RS-232 Interface Logic Supply Pin for Easy Level-Shifting to UART or Microprocessor Low-Latency Output Enable Allows Line Sharing and Half-Duplex Operation True RS-232 Compliant Output Levels Small Footprint: LTC2801/LTC2802 4mm × 3mm DFN Package LTC2803/LTC2804 Narrow SSOP-16 5mm × 3mm DFN Packages

Precision Dual Supply Monitor with Pin-Selectable Thresholds Features: Monitors Two Inputs Simultaneously Nine Threshold Combinations Three Supply Tolerances (5%, 7.5%, 10%) Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Internal VCC Auto Select Power Supply Glitch Immunity 200ms Reset Time Delay (LTC2904 Only) Adjustable Reset Time Delay (LTC2905 Only) Open Drain RST Output Guaranteed RST for V1 ≥ 1V or V2 ≥ 1V Low Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm × 2mm) DFN Packages

Precision Dual Supply Monitor with Pin-Selectable Thresholds Features: Monitors Two Inputs Simultaneously Nine Threshold Combinations Three Supply Tolerances (5%, 7.5%, 10%) Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Internal VCC Auto Select Power Supply Glitch Immunity 200ms Reset Time Delay (LTC2904 Only) Adjustable Reset Time Delay (LTC2905 Only) Open Drain RST Output Guaranteed RST for V1 ≥ 1V or V2 ≥ 1V Low Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm × 2mm) DFN Packages

Power Supply Tracker with Input Monitors Features: Tracks Multiple Supplies with MOSFET Switches Monitors 5 Input Voltages Including VCC Guaranteed Threshold Accuracy: ±1% at 0.5V Automatic Remote Sense Switching Adjustable Supply Ramp Rate Overvoltage Monitor Adjustable Electronic Circuit Breaker Adjustable Power-Good Delay Available for VCC Supply Voltages of 5V, 3.3V and 2.5V Available in 16-Pin Narrow SSOP (LTC2921 Series) and 20-Pin TSSOP (LTC2922 Series)