LTC2974IUP vs LTC2977IUP 比較
詳細並排比較 LTC2974IUP 由 Analog Devices 與 LTC2977IUP 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 | LTC2974IUP | LTC2977IUP |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | Supervisors & Reset | Supervisors & Reset |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 拓撲 | 4-channel PMBus power system manager | — |
| Number of Outputs Managed | 4 | — |
| DAC Resolution | 10-bit (per channel) | — |
| ADC Resolution | 16-bit (per channel, differential) | 14-bit (per datasheet functional description) |
| Output Voltage Accuracy | ±0.25% (servo-trimmed) | — |
| On-Chip User EEPROM | 256 bytes | — |
| 介面 | PMBus 1.1 / SMBus 2.0 (I²C-compatible) | PMBus / I2C-compatible SMBus |
| 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 Voltage (VDD) | [DATA_NEEDED: VDD supply voltage] | 4.5 V to 15 V |
| Supply Current (Iq) | [DATA_NEEDED: typical quiescent current] | — |
| 封裝 | 64-lead (9 mm × 9 mm) Plastic QFN | 64-Pin QFN (9 mm x 9 mm) with exposed pad |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | [DATA_NEEDED: MSL rating] | 3 (per JEDEC J-STD-020) |
| RoHS 狀態 | Compliant | Compliant (#PBF suffix) |
| Tape and Reel Availability | Yes (#TRPBF suffix) | — |
| Multi-Device Sync | Yes (SHARE_CLK pin) | — |
| 功能 | — | 8-Channel PMBus Power System Manager |
| 通道數 | — | 8 |
| Auxiliary Supply (VAA/3V3) | — | 3.3 V |
| 供應電流 | — | 10 mA typical |
| Voltage Measurement Accuracy | — | [DATA_NEEDED: voltage measurement accuracy %] |
| 工作溫度 | — | -40 C to +105 C (I grade) |
| Fault Logging | — | Internal black-box EEPROM |
| Trim / Margining | — | Yes, per-rail closed-loop servo |