Analog Devices LTC2915 Product Info

• 9 Selectable Supply Voltages
  • 12V, 5V, 3.3V, 2.5V, 1.8V
  • 1.5V, 1.2V, 1.0V, +ADJ (0.5V)
• 3 Selectable Tolerances
  • –5%, –10%, –15% (LTC2915)
• Manual Reset Input (LTC2916)
• 1.5V to 5.5V Supply Operation
• 6.2V Shunt Regulator for High Voltage Operation
• Guaranteed Operation to 125°C
• Guaranteed Threshold Accuracy: ±1.5%
• Low Quiescent Current: 30µA Typical
• Power Supply Glitch Immunity
• Guaranteed RST for V_CC = 0.8V
• Low Profile (1mm) 8-Lead TSOT-23 (ThinSOT^™) and(3mm × 2mm) DFN Packages

The LTC2915/LTC2916 are low voltage single-supply monitors with selectable thresholds. The parts operate from 1.5V to 5.5V and consume a quiescent current of only 30µA.

Two three-state inputs select one of nine internally programmed thresholds without the need for external resistors. For the LTC2915, an additional three-state input determines the tolerance (–5%, –10%, –15%). The tolerance for the LTC2916 is fixed at –5%. Threshold accuracy is guaranteed at ±1.5% over the entire operating temperature range. Glitch filtering ensures reliable reset operation without false triggering.

The reset timeout may be set to 200ms or adjusted using an external capacitor. A separate manual reset input on the LTC2916 allows a simple push button interface.

Operation to 125°C makes the LTC2915 and LTC2916 suitable for automotive applications.

Applications

• Handheld Devices
• Cell Phone Base Stations
• Automotive Control Systems
• Network Servers
• Optical Networking Systems