LTC2977IUP vs LTC2974IUP 比較
詳細並排比較 LTC2977IUP 由 Analog Devices 與 LTC2974IUP 由 Analog Devices. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | LTC2977IUP | LTC2974IUP |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | Supervisors & Reset | Supervisors & Reset |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 功能 | 8-Channel PMBus Power System Manager | — |
| 通道數 | 8 | — |
| Supply Voltage (VDD) | 4.5 V to 15 V | [DATA_NEEDED: VDD supply voltage] |
| Auxiliary Supply (VAA/3V3) | 3.3 V | — |
| 供應電流 | 10 mA typical | — |
| 介面 | PMBus / I2C-compatible SMBus | PMBus 1.1 / SMBus 2.0 (I²C-compatible) |
| Voltage Measurement Accuracy | [DATA_NEEDED: voltage measurement accuracy %] | — |
| ADC Resolution | 14-bit (per datasheet functional description) | 16-bit (per channel, differential) |
| 工作溫度 | -40 C to +105 C (I grade) | — |
| 封裝 | 64-Pin QFN (9 mm x 9 mm) with exposed pad | 64-lead (9 mm × 9 mm) Plastic QFN |
| 安裝類型 | Surface Mount | Surface Mount |
| Fault Logging | Internal black-box EEPROM | — |
| Trim / Margining | Yes, per-rail closed-loop servo | — |
| MSL 等級 | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL rating] |
| RoHS 狀態 | Compliant (#PBF suffix) | Compliant |
| 拓撲 | — | 4-channel PMBus power system manager |
| Number of Outputs Managed | — | 4 |
| DAC Resolution | — | 10-bit (per channel) |
| Output Voltage Accuracy | — | ±0.25% (servo-trimmed) |
| On-Chip User EEPROM | — | 256 bytes |
| Digital I/O | — | ALERTB, CONTROL, SHARE_CLK, FAULTB pins |
| 工作溫度範圍 | — | -40 °C to +105 °C |
| Temperature Sensor | — | Integrated on-chip |
| Supply Current (Iq) | — | [DATA_NEEDED: typical quiescent current] |
| Tape and Reel Availability | — | Yes (#TRPBF suffix) |
| Multi-Device Sync | — | Yes (SHARE_CLK pin) |