LTC2974IUP vs LTC2977IUP Comparación
Comparación detallada lado a lado de LTC2974IUP por Analog Devices y LTC2977IUP 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 | LTC2974IUP | LTC2977IUP |
|---|---|---|
| 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) | $7,95 | $16,46 |
| Topología | 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 | — |
| Interfaz | PMBus 1.1 / SMBus 2.0 (I²C-compatible) | PMBus / I2C-compatible SMBus |
| 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 Voltage (VDD) | [DATA_NEEDED: VDD supply voltage] | 4.5 V to 15 V |
| Supply Current (Iq) | [DATA_NEEDED: typical quiescent current] | — |
| Encapsulado | 64-lead (9 mm × 9 mm) Plastic QFN | 64-Pin QFN (9 mm x 9 mm) with exposed pad |
| Tipo de montaje | Surface Mount | Surface Mount |
| Nivel MSL | [DATA_NEEDED: MSL rating] | 3 (per JEDEC J-STD-020) |
| Estado RoHS | Compliant | Compliant (#PBF suffix) |
| Tape and Reel Availability | Yes (#TRPBF suffix) | — |
| Multi-Device Sync | Yes (SHARE_CLK pin) | — |
| Función | — | 8-Channel PMBus Power System Manager |
| Canales | — | 8 |
| Auxiliary Supply (VAA/3V3) | — | 3.3 V |
| Corriente de alimentación | — | 10 mA typical |
| Voltage Measurement Accuracy | — | [DATA_NEEDED: voltage measurement accuracy %] |
| Temperatura de funcionamiento | — | -40 C to +105 C (I grade) |
| Fault Logging | — | Internal black-box EEPROM |
| Trim / Margining | — | Yes, per-rail closed-loop servo |