LTC2977IUP vs LTC2974IUP Comparison
Detailed side-by-side comparison of LTC2977IUP by Analog Devices and LTC2974IUP 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 | LTC2977IUP | LTC2974IUP |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | Supervisors & Reset | Supervisors & Reset |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $16.46 | $7.95 |
| Function | 8-Channel PMBus Power System Manager | — |
| Channels | 8 | — |
| Supply Voltage (VDD) | 4.5 V to 15 V | [DATA_NEEDED: VDD supply voltage] |
| Auxiliary Supply (VAA/3V3) | 3.3 V | — |
| Supply Current | 10 mA typical | — |
| Interface | 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) |
| Operating Temperature | -40 C to +105 C (I grade) | — |
| Package | 64-Pin QFN (9 mm x 9 mm) with exposed pad | 64-lead (9 mm × 9 mm) Plastic QFN |
| Mounting Type | Surface Mount | Surface Mount |
| Fault Logging | Internal black-box EEPROM | — |
| Trim / Margining | Yes, per-rail closed-loop servo | — |
| MSL Level | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant (#PBF suffix) | Compliant |
| Topology | — | 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 |
| Operating Temperature Range | — | -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) |