| Part Number | ADM1027ARQ-REEL7 | ADM1021ARQ-REEL7 | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | onsemi | 
| Category | PMIC - Thermal Management | PMIC - Thermal Management | 
|   |   | |
| Product Status | Active | Obsolete | 
| Function | Fan Control, Temp Monitor | Temp Monitoring System (Sensor) | 
| Sensor Type | Internal and External | Internal and External | 
| Sensing Temperature | 0°C ~ 105°C, External Sensor | 0°C ~ 100°C, External Sensor | 
| Accuracy | ±1°C | ±1°C Local, ±5°C Remote | 
| Topology | ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank | ADC, Comparator, Multiplexer, Register Bank | 
| Output Type | SMBus | SMBus | 
| Output Alarm | No | Yes | 
| Output Fan | Yes | No | 
| Voltage - Supply | 3V ~ 5.5V | 3V ~ 5.5V | 
| Operating Temperature | 0°C ~ 105°C | 0°C ~ 100°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 24-SSOP (0.154", 3.90mm Width) | 16-SSOP (0.154", 3.90mm Width) | 
| Supplier Device Package | 24-QSOP | 16-QSOP |