LTC2974IUP vs LTC2977IUP Comparaison
Comparaison détaillée côte à côte de LTC2974IUP par Analog Devices et LTC2977IUP par Analog Devices. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Comparaison des spécifications
| Paramètre | LTC2974IUP | LTC2977IUP |
|---|---|---|
| Marque | Analog Devices | Analog Devices |
| Catégorie | Supervisors & Reset | Supervisors & Reset |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $7,95 | $16,46 |
| Topologie | 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 | — |
| Interface | PMBus 1.1 / SMBus 2.0 (I²C-compatible) | PMBus / I2C-compatible SMBus |
| Digital I/O | ALERTB, CONTROL, SHARE_CLK, FAULTB pins | — |
| Plage de température de fonctionnement | -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] | — |
| Boîtier | 64-lead (9 mm × 9 mm) Plastic QFN | 64-Pin QFN (9 mm x 9 mm) with exposed pad |
| Type de montage | Surface Mount | Surface Mount |
| Niveau MSL | [DATA_NEEDED: MSL rating] | 3 (per JEDEC J-STD-020) |
| Statut RoHS | Compliant | Compliant (#PBF suffix) |
| Tape and Reel Availability | Yes (#TRPBF suffix) | — |
| Multi-Device Sync | Yes (SHARE_CLK pin) | — |
| Fonction | — | 8-Channel PMBus Power System Manager |
| Canaux | — | 8 |
| Auxiliary Supply (VAA/3V3) | — | 3.3 V |
| Courant d'alimentation | — | 10 mA typical |
| Voltage Measurement Accuracy | — | [DATA_NEEDED: voltage measurement accuracy %] |
| Température de fonctionnement | — | -40 C to +105 C (I grade) |
| Fault Logging | — | Internal black-box EEPROM |
| Trim / Margining | — | Yes, per-rail closed-loop servo |