Low Cost, Low Power, True RMS-to-DC Converter

Pin Programmable Precision Voltage Reference Features: Four Programmable Output Voltages: 10.000 V, 7.500 V, 5.000 V, 2.500 V Laser Trimmed to High Accuracies No External Components Required Trimmed Temperature Coefficient: 15 ppm/°C Max, 0°C to 70°C (AD584K) 15 ppm/°C Max, -55°C to +125°C (AD584T) Zero Output Strobe Terminal Provided Two Terminal Negative Reference  Capability (5 V and above) Output Sources or Sinks Current Low Quiescent Current: 1.0 mA Max 10 mA Current Output Capability MIL-STD-883 Compliant Versions Available

Super Sequencer with Margining Control and Temperature Monitoring Features: Complete supervisory and sequencing solution for up to 10 supplies 10 supply fault detectors enable supervision of supplies to: <0.5% accuracy at all voltages at 25°C <1.0 % accuracy across all voltages and temperatures 5 selectable input attenuators allow supervision of: Supplies up to 14.4 V on VH Supplies up to 6 V on VP1 to VP4 (VPn) 10 programmable output drivers (PDO1 to PDO10): Open collector with external pull-up Push/pull output, driven to VDDCAP or VPx Open collector with weak pull-up to VDDCAP or VPx Internally charge-pumped high drive for use with external N-FET (PDO1 to PDO6 only) Sequencing engine (SE) implements state machine control of PDO outputs State changes conditional on input events Enables complex control of boards Power-up and power-down sequence control Fault event handling Interrupt generation on warnings Watchdog function can be integrated in SE Program software control of sequencing through SMBus 5 dual-function inputs, VX1 to VX5 (VXn) High impedance input to supply fault detector with thresholds between 0.573 V and 1.375 V General-purpose logic input Complete voltage margining solution for 6 voltage rails 6 voltage output, 8-bit DACs (0.300 V to 1.551 V) allow voltage adjustment via dc-to-dc converter trim/feedback node 12-bit ADC for readback of all supervised voltages Internal and external temperature sensors Reference input (REFIN) has 2 input options Driven directly from 2.048 V (±0.25%) REFOUT pin More accurate external reference for improved ADC performance Device powered by the highest of VPx, VH for improved redundancy User EEPROM: 256 bytes Industry-standard 2-wire bus interface (SMBus) Guaranteed PDO low with VH, VPx = 1.2 V Available in 40-lead, 6 mm × 6 mm LFCSP and 48-lead, 7 mm × 7 mm TQFP packages

High Precision 2.5 V IC Reference Features: Laser Trimmed to High Accuracy: 2.500 V ± 0.4% 3-Terminal Device: Voltage In/Voltage Out Excellent Temperature Stability: 10 ppm/°C (AD580M, U) Low Quiescent Current: 1.5 mA max Excellent Long-Term Stability: 250 µV (25 µV/Month) Small, Hermetic IC Package: TO-52 Can MIL-STD-883 Compliant Versions Available

350 mA, Low VIN, Low Quiescent Current, CMOS Linear Regulator

+2.5V Low-Power Precision Voltage Reference

ADM1232 - Microprocessor Supervisory Circuit

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Voltage References 3.0V Reference

Supervisory Circuits