1 MHz to 1.2 GHz VGA with 30 dB Gain Control Range Features: Voltage-controlled amplifier/attenuator Operating frequency: 1 MHz to 1.2 GHz Optimized for controlling output power High linearity: OIP3 47 dBm @ 100 MHz Output noise floor: −149 dBm/Hz @ maximum gain Input impedance: 50 Ω Output impedance: 20 Ω Wide gain-control range: 30 dB Linear-in-dB gain control function: 40 mV/dB Single-supply voltage: 4.75 V to 5.25 V

400 MHz TO 4000 MHz Low Noise Amplifier Features: Operation from 400 MHz to 4000 MHz Noise figure of 0.8 dB at 900 MHz Requires few external components Integrated active bias control circuit Integrated dc blocking capacitors Adjustable bias for low power applications Single-supply operation from 3 V to 5 V Gain of 20.8 dB at 900 MHz OIP3 of 37.0 dBm at 900 MHz P1dB of 21.8 dBm at 900 MHz Small footprint LFCSP Pin-compatible version with 21.5 dB gain available

Microprocessor Supervisory Circuit Features:Pin-compatible with MAX1232 and Dallas DS1232Adjustable precision voltage monitor with 4.5 V and 4.75 V optionsAdjustable strobe monitor with 150 ms, 600 ms, or 1.2 sec optionsNo external componentsSpecified from 40C to +85C

Cascadable Super Sequencer with Margin Control and Fault Recording Features: Complete supervisory and sequencing solution for up to 17 supplies Expandable to 257 supplies with additional ADM1266 ICs connected to the 2-wire interdevice bus Fully programmable sequencing engine 17 supply fault detectors enable real time supervision of supplies 0.4 V to 15 V on VH1 to VH4 (VHx) 0.4 V to 5 V on VP1 to VP13 (VPx) Device powered by the higher of VH1 and VH2 inputs for improved operating redundancy 12-bit ADC for readback of all supervised voltages Black box nonvolatile fault recording 16 PDIOs 9 GPIOs 9 voltage output 8-bit DACs allow voltage margining adjustment via dc-to-dc converter trim/feedback node Main and backup memory Industry standard PMBus interface compliant Available in a 9 mm × 9 mm, 64-lead package

High Voltage Input Protection Device Features: Controls supply voltages from 4 V to 60 V Gate drive for low voltage drop reverse supply protection Gate drive for P-channel FETs Inrush current limiting control Adjustable current limit Foldback current limiting Automatic retry or latch-off on current fault Programmable current-limit timer for safe operating area (SOA) Power-good and fault outputs Analog undervoltage (UV) and overvoltage (OV) protection 16-lead, 3 mm × 3 mm LFCSP 16-lead QSOP

High Voltage Input Protection Device Features: Controls supply voltages from 4 V to 60 V Gate drive for low voltage drop reverse supply protection Gate drive for P-channel FETs Inrush current limiting control Adjustable current limit Foldback current limiting Automatic retry or latch-off on current fault Programmable current-limit timer for safe operating area (SOA) Power-good and fault outputs Analog undervoltage (UV) and overvoltage (OV) protection 16-lead, 3 mm × 3 mm LFCSP 16-lead QSOP

High Voltage Input Protection Device Features: Controls supply voltages from 4 V to 60 V Gate drive for low voltage drop reverse supply protection Gate drive for P-channel FETs Inrush current limiting control Adjustable current limit Foldback current limiting Automatic retry or latch-off on current fault Programmable current-limit timer for safe operating area (SOA) Power-good and fault outputs Analog undervoltage (UV) and overvoltage (OV) protection 16-lead, 3 mm × 3 mm LFCSP 16-lead QSOP

Dual Processor Supervisors with Watchdog Features: Dual supervisory circuits Supply voltage range of 2.7 V to 5.5 V Pretrimmed threshold options: 1.8 V, 2.5 V, 3.3 V, and 5 V Adjustable 0.6 V voltage reference Maximum supply current of 40 μA 140 ms (minimum) reset timeout Watchdog timer with 1.6 sec (typical) timeout RESET valid from VDD ≥ 1.1 V Push-pull RESET and RESET outputs 8-lead, narrow body SOIC package Temperature range: −40°C to +85°C

Triple Processor Supervisors Features: Triple supervisory circuits Supply voltage range of 2.0 V to 5.5 V Pretrimmed threshold options: 1.8 V, 2.5 V, 3.3 V, and 5 V Adjustable 0.6 V and 1.25 V voltage references Maximum supply current of 40 μA 140 ms (minimum) reset timeout RESET valid from VDD ≥ 1.1 V Push-pull RESET and RESET outputs 8-lead, narrow body SOIC package Temperature range: −40°C to +85°C

3 kV RMS Signal and Power Isolated RS-485 Transceiver with 15 kV IEC ESD Features: 3 kV rms isolated RS-485/RS-422 transceiver Low radiated emissions, integrated, isolated dc-to-dc converter Passes EN 55032 Class B with margin on a 2-layer PCB Cable invert smart feature Correct reversed cable connection on A, B, Y, and Z bus pins while maintaining full receiver fail-safe feature ESD protection on RS-485 A, B, Y and Z pins ≥±12 kV IEC61000-4-2 contact discharge ≥±15 kV IEC61000-4-2 air discharge High speed 25 Mbps data rate (ADM2565E/ADM2567E) Low speed 500 kbps data rate for EMI control (ADM2561E/ADM2563E) Flexible power supplies Input VCC supply of 3 V to 5.5 V Logic VIO supply of 1.7 V to 5.5 V VSEL pin to select VISO supply of 5 V (VCC > 4.5 V) or 3.3 V PROFIBUS compliant for 5 V VISO Wide operating temperature range: −40°C to +105°C High common-mode transient immunity: 250 kV/µs Short-circuit, open-circuit, and floating input receiver fail-safe Supports 196 bus nodes (72 kΩ receiver input impedance) Full hot swap support (glitch free power-up/power-down) Safety and regulatory approvals (pending) CSA Component Acceptance Notice 5A, DIN V VDE V 0884-11, UL 1577, CQC11-471543-2012, IEC 61010-1 Complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E) 28-lead, fine pitch SOIC_W package (10.15 mm 10.05 mm) with >8.0 mm creepage and clearance