LTC2974IUP vs LTC2977IUP Comparison
Detailed side-by-side comparison of LTC2974IUP by Analog Devices and LTC2977IUP by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | LTC2974IUP | LTC2977IUP |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | Supervisors & Reset | Supervisors & Reset |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.95 | $16.46 |
| Topology | 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 | — |
| Operating Temperature Range | -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] | — |
| Package | 64-lead (9 mm × 9 mm) Plastic QFN | 64-Pin QFN (9 mm x 9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL rating] | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant (#PBF suffix) |
| Tape and Reel Availability | Yes (#TRPBF suffix) | — |
| Multi-Device Sync | Yes (SHARE_CLK pin) | — |
| Function | — | 8-Channel PMBus Power System Manager |
| Channels | — | 8 |
| Auxiliary Supply (VAA/3V3) | — | 3.3 V |
| Supply Current | — | 10 mA typical |
| Voltage Measurement Accuracy | — | [DATA_NEEDED: voltage measurement accuracy %] |
| Operating Temperature | — | -40 C to +105 C (I grade) |
| Fault Logging | — | Internal black-box EEPROM |
| Trim / Margining | — | Yes, per-rail closed-loop servo |