Microprocessor Supervisory Circuits Features: Guaranteed Reset Assertion at VCC = 1V 1.5mA Maximum Supply Current Fast (35ns Max) Onboard Gating of RAM Chip Enable Signals SO-8 and S16 Packaging 4.65V Precision Voltage Monitor Power OK/Reset Time Delay: 50ms, 200ms or Adjustable Minimum External Component Count 1μA Maximum Standby Current Voltage Monitor for Power-Fail or Low Battery Warning Thermal Limiting Performance Specified Over Temperature Superior Upgrade for MAX690 Family

Tiny Micropower, Low Voltage Dual Comparators Features: Low Supply Operation: 1.7V Minimum Low Supply Current: 30µA/Comparator Maximum Propagation Delay: 500ns Maximum (–40°C to 125°C) 3.2MHz Toggle Frequency Input Voltage Range Extends 100mV Below Ground Internal Hysteresis: 4mV High Output Drive: TTL and CMOS Compatible Specified at ±15mA (–40°C to 125°C), Capacitive Load Handling to 10,000pF Specified for –40°C to 125°C Temperature Range Available in Low Profile (1mm) ThinSOT™ and 2mm × 2mm DFN Packages

Tiny Micropower, Low Voltage Dual Comparators Features: Low Supply Operation: 1.7V Minimum Low Supply Current: 30µA/Comparator Maximum Propagation Delay: 500ns Maximum (–40°C to 125°C) 3.2MHz Toggle Frequency Input Voltage Range Extends 100mV Below Ground Internal Hysteresis: 4mV High Output Drive: TTL and CMOS Compatible Specified at ±15mA (–40°C to 125°C), Capacitive Load Handling to 10,000pF Specified for –40°C to 125°C Temperature Range Available in Low Profile (1mm) ThinSOT™ and 2mm × 2mm DFN Packages

Precision Zero Drift Current Sense Amplifier Features: Supply Range: 4V to 60V, 70V Maximum (LTC6102) 5V to 100V, 105V Maximum (LTC6102HV) ±10μV Input Offset Maximum ±50nV/°C Input Offset Drift Maximum Fast Response: 1μs Step Response Gain Configurable with Two Resistors Low Input Bias Current: 3nA Maximum PSRR 130dB Minimum Output Currents up to 1mA Operating Temperature Range: –40°C to 125°C Disable Mode (LTC6102-1 Only): 1μA Maximum Available in 8-Lead MSOP and 3mm × 3mm DFN Packages

Precision Zero Drift Current Sense Amplifier Features: Supply Range: 4V to 60V, 70V Maximum (LTC6102) 5V to 100V, 105V Maximum (LTC6102HV) ±10μV Input Offset Maximum ±50nV/°C Input Offset Drift Maximum Fast Response: 1μs Step Response Gain Configurable with Two Resistors Low Input Bias Current: 3nA Maximum PSRR 130dB Minimum Output Currents up to 1mA Operating Temperature Range: –40°C to 125°C Disable Mode (LTC6102-1 Only): 1μA Maximum Available in 8-Lead MSOP and 3mm × 3mm DFN Packages

Programmable Quad Supply Monitor with Adjustable Reset Timer and Supply Tolerance Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adjustable Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Selectable Supply Tolerance: 5%, 7.5%, 10%, 12.5% Below Monitored Voltage Low Supply Current: 43µA Typ Adjustable Reset Time RESET Disable Pin for Margining Applications Open-Drain RST Output (LTC2902-1) Push-Pull RST Output (LTC2902-2) Individual Nondelayed Monitor Outputs for Each Supply Power Supply Glitch Immunity Guaranteed RESET for VCC ≥ 1V

1kHz - 68MHz Serial Port Programmable Oscillator Features: 1kHz to 68MHz Square Wave Output 0.5% (Typ) Initial Frequency Accuracy Frequency Error <1.1% Over All Settings 10ppm/°C Typical Frequency Drift Over Temperature 0.1% Resolution 1.7mA Typical Supply Current (f < 1MHz, VS = 2.7V) 2.7V to 5.5V Single Supply Operation Jitter <0.4% Typical 1kHz to 8MHz Easy to Use SPI (LTC6903) or I2C (LTC6904) Serial Interface Output Enable Pin –55°C to 125°C Operation MS8 Package

1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation Features: 1-, 2-, 3-, 4-, 5-, 6-, 7- or 8-Phase Outputs One External Resistor Sets the Output Frequency from 12.5kHz to 6.67MHz Optional Spread Spectrum Frequency for Improved EMI Performance ±10% Frequency Spreading Outputs Can Be Held Low or Floated (Hi-Z) Three Spread Spectrum Modulation Rates fOUT/16, fOUT/32 and fOUT/64 400μA Supply Current Operates from a Single 2.7V to 5.5V Supply Fast Start-Up Time First Cycle Accurate Outputs Are High Impedance Until Frequency Settles MS16 Package

Ultralow Jitter, 4.5GHz PLL with 11 Outputs and JESD204B / JESD204C Support Features: JESD204B/C, Subclass 1 SYSREF Signal Generation Low Noise Integer-N PLL Additive Output Jitter < 6fsRMS (Integration BW = 12kHz to 20MHz, f = 4.5GHz) Additive Output Jitter 65fsRMS (ADC SNR Method) EZSync™, ParallelSync™ Multichip Synchronization –229dBc/Hz Normalized In-Band Phase Noise Floor –281dBc/Hz Normalized In-Band 1/f Noise Eleven Independent, Low Noise Outputs with Programmable Coarse Digital and Fine Analog Delays Flexible Outputs Can Serve as Either a Device Clock or SYSREF Signal Reference Input Frequency up to 500MHz LTC6952Wizard™ Software Design Tool Support –40ºC to 125°C Operating Junction Temperature Range

Microprocessor Supervisory Circuits Features: Guaranteed Reset Assertion at VCC = 1V 1.5mA Maximum Supply Current Fast (35ns Maximum) Onboard Gating of RAM Chip Enable Signals 4.40V Precision Voltage Monitor Power OK/Reset Time Delay: 200ms or Adjustable Minimum External Component Count 1μA Maximum Standby Current Voltage Monitor for Power-Fail or Low Battery Warning Thermal Limiting Performance Specified Over Temperature Superior Upgrade for MAX690 Family SO8 and SO16 Packaging