800MHz, 31dB Range Analog-Controlled VGA Features: 800MHz –3dB Small-Signal Bandwidth Continuously-Adjustable Gain Control –14dB to +17dB Linear-in-dB Gain Range 35dBm OIP3 at 240MHz Across All Gain Settings 10dB Noise Figure at Maximum Gain (IIP3 – NF) = +8dBm at 240MHz Across All Gains 2.7nV/√Hz Input Referred Noise Differential Inputs and Outputs 50Ω Input Impedance Across all Gains Single Supply Operation from 3V to 3.6V 110mA Supply Current 4mm × 4mm × 0.75mm 24-Pin QFN Package

Programmable Quad Supply Monitor with Adjustable Reset Timer 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 Low Supply Current: 43µA Typ Adjustable Reset Time Small MSOP and 3mm × 3mm DFN Packages Manual Reset Pin Open-Drain RST Output (LTC2900-1) Push-Pull RST Output (LTC2900-2) Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 1V

Programmable Quad Supply Monitor with Adjustable Reset and Watchdog Timers Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adj Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Selectable Supply Tolerance: 5% and 10% Below Monitored Voltage (LTC2901-3/LTC2901-4) Low Supply Current: 43µA Typ Adjustable Reset Time Adjustable Watchdog Time Open-Drain RST Output (LTC2901-1/LTC2901-3) Push-Pull RST Output (LTC2901-2/LTC2901-4) Individual Nondelayed Monitor Output for Each Supply Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 1V 16-Lead Narrow SSOP Package

Programmable Quad Supply Monitor with Adjustable Reset and Watchdog Timers Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adj Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Selectable Supply Tolerance: 5% and 10% Below Monitored Voltage (LTC2901-3/LTC2901-4) Low Supply Current: 43µA Typ Adjustable Reset Time Adjustable Watchdog Time Open-Drain RST Output (LTC2901-1/LTC2901-3) Push-Pull RST Output (LTC2901-2/LTC2901-4) Individual Nondelayed Monitor Output for Each Supply Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 1V 16-Lead Narrow SSOP Package

Programmable Quad Supply Monitor with Adjustable Reset and Watchdog Timers Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adj Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Selectable Supply Tolerance: 5% and 10% Below Monitored Voltage (LTC2901-3/LTC2901-4) Low Supply Current: 43µA Typ Adjustable Reset Time Adjustable Watchdog Time Open-Drain RST Output (LTC2901-1/LTC2901-3) Push-Pull RST Output (LTC2901-2/LTC2901-4) Individual Nondelayed Monitor Output for Each Supply Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 1V 16-Lead Narrow SSOP Package

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 Monitors with One Pin-Selectable Threshold and One Adjustable Input Features: Monitors Two Inputs Simultaneously Three Threshold Selections for 5V, 3.3V or 2.5V Supplies Low Voltage Adjustable Input (0.5V) 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 (LTC2906 Only) Adjustable Reset Time Delay (LTC2907 Only) Open Drain RST Output Guaranteed RST for V1 >= 1V or VCC >=1V Low Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm x 2mm) DFN Packages

Precision Dual Supply Monitors with One Pin-Selectable Threshold and One Adjustable Input Features: Monitors Two Inputs Simultaneously Three Threshold Selections for 5V, 3.3V or 2.5V Supplies Low Voltage Adjustable Input (0.5V) 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 (LTC2906 Only) Adjustable Reset Time Delay (LTC2907 Only) Open Drain RST Output Guaranteed RST for V1 >= 1V or VCC >=1V Low Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm x 2mm) DFN Packages

Precision Dual Supply Monitors with One Pin-Selectable Threshold and One Adjustable Input Features: Monitors Two Inputs Simultaneously Three Threshold Selections for 5V, 3.3V or 2.5V Supplies Low Voltage Adjustable Input (0.5V) 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 (LTC2906 Only) Adjustable Reset Time Delay (LTC2907 Only) Open Drain RST Output Guaranteed RST for V1 ≥ 1V or VCC ≥1V Low Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm x 2mm) DFN Packages

Precision Dual Supply Monitors with One Pin-Selectable Threshold and One Adjustable Input Features: Monitors Two Inputs Simultaneously Three Threshold Selections for 5V, 3.3V or 2.5V Supplies Low Voltage Adjustable Input (0.5V) 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 (LTC2906 Only) Adjustable Reset Time Delay (LTC2907 Only) Open Drain RST Output Guaranteed RST for V1 ≥ 1V or VCC ≥1V Low Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm x 2mm) DFN Packages