LTC2974IUP#PBF vs LTC2974IUP 对比
详细并排对比 LTC2974IUP#PBF 出自 Analog Devices 和 LTC2974IUP 出自 Analog Devices。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | LTC2974IUP#PBF | LTC2974IUP |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | Supervisors & Reset | Supervisors & Reset |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.20 | $7.95 |
| 功能 | 4-channel PMBus Power System Manager | — |
| Number of Outputs Supervised | 4 | — |
| Output Voltage Servo Accuracy | 0.5% (over temperature) | — |
| Serial Interface | I2C/SMBus, PMBus-compliant | — |
| On-chip ADC | 12-bit (VIN/VOUT readback) | — |
| On-chip DACs | 4 x 10-bit (trim/margin) | — |
| User EEPROM | 256 bytes with CRC | — |
| Fault Logging | Yes, black-box with time-stamp | — |
| Supply Voltage (VCC) | 4.5 V to 15 V | — |
| Digital I/O Logic Level | 3.3 V / 5 V tolerant | — |
| 工作温度范围 | -40 C to +105 C | -40 °C to +105 °C |
| 封装 | 64-lead QFN (UP), 9 mm x 9 mm | 64-lead (9 mm × 9 mm) Plastic QFN |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL rating] |
| RoHS 状态 | Compliant | Compliant |
| Manufacturer | Analog Devices (formerly Linear Technology) | — |
| 拓扑 | — | 4-channel PMBus power system manager |
| Number of Outputs Managed | — | 4 |
| DAC Resolution | — | 10-bit (per channel) |
| ADC Resolution | — | 16-bit (per channel, differential) |
| Output Voltage Accuracy | — | ±0.25% (servo-trimmed) |
| On-Chip User EEPROM | — | 256 bytes |
| 接口 | — | PMBus 1.1 / SMBus 2.0 (I²C-compatible) |
| Digital I/O | — | ALERTB, CONTROL, SHARE_CLK, FAULTB pins |
| Temperature Sensor | — | Integrated on-chip |
| Supply Voltage (VDD) | — | [DATA_NEEDED: VDD supply voltage] |
| Supply Current (Iq) | — | [DATA_NEEDED: typical quiescent current] |
| Tape and Reel Availability | — | Yes (#TRPBF suffix) |
| Multi-Device Sync | — | Yes (SHARE_CLK pin) |