LTC2977IUP vs LTC2974IUP Comparación
Comparación detallada lado a lado de LTC2977IUP por Analog Devices y LTC2974IUP por Analog Devices. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Comparación de especificaciones
| Parámetro | LTC2977IUP | LTC2974IUP |
|---|---|---|
| Marca | Analog Devices | Analog Devices |
| Categoría | Supervisors & Reset | Supervisors & Reset |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $16,46 | $7,95 |
| Función | 8-Channel PMBus Power System Manager | — |
| Canales | 8 | — |
| Supply Voltage (VDD) | 4.5 V to 15 V | [DATA_NEEDED: VDD supply voltage] |
| Auxiliary Supply (VAA/3V3) | 3.3 V | — |
| Corriente de alimentación | 10 mA typical | — |
| Interfaz | 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) |
| Temperatura de funcionamiento | -40 C to +105 C (I grade) | — |
| Encapsulado | 64-Pin QFN (9 mm x 9 mm) with exposed pad | 64-lead (9 mm × 9 mm) Plastic QFN |
| Tipo de montaje | Surface Mount | Surface Mount |
| Fault Logging | Internal black-box EEPROM | — |
| Trim / Margining | Yes, per-rail closed-loop servo | — |
| Nivel MSL | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL rating] |
| Estado RoHS | Compliant (#PBF suffix) | Compliant |
| Topología | — | 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 |
| Rango de temperatura de funcionamiento | — | -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) |