A3982SLB-T vs A3982SLBTR-T Comparison
Detailed side-by-side comparison of A3982SLB-T by Allegro MicroSystems and A3982SLBTR-T by Allegro MicroSystems. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Allegro MicroSystems
A3982SLB-T - 35V, ±2A Bipolar Stepper Motor Driver | Allegro
A3982SLB-T ✓ ActiveAllegro MicroSystems
A3982SLBTR-T - 35V/±2A DMOS Stepper Motor Driver | Allegro
A3982SLBTR-T ✓ ActiveSpecification Comparison
| Parameter | A3982SLB-T | A3982SLBTR-T |
|---|---|---|
| Brand | Allegro MicroSystems | Allegro MicroSystems |
| Category | Motor Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.20 | $4.63 |
| Motor Type | Bipolar Stepper | Bipolar stepper |
| Step Mode | Full-step, Half-step | — |
| Output Configuration | Dual Full Bridge | Dual full H-bridge |
| Load Voltage (Vbb) | 8 V to 35 V | — |
| Output Drive Current | ±2 A per phase | — |
| On-State Resistance (DMOS) | [DATA_NEEDED: Rdson per leg] | — |
| Logic Supply Voltage (Vdd) | 3.0 V to 5.5 V | — |
| Current Control | Fixed off-time PWM with Slow / Mixed decay | — |
| Translator | Built-in (step-and-direction interface) | — |
| Synchronous Rectification | Yes | — |
| Thermal Shutdown | Yes | — |
| Under-Voltage Lockout | Yes | — |
| Operating Temperature | -20 C to +85 C | -20 C to +85 C |
| Package | 24-SOIC (Wide, 300 mil, 7.50 mm) | SOIC-24 (SLB) with exposed thermal pad |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| RoHS Status | Compliant | Compliant |
| Number of Outputs | — | 4 (dual full bridge) |
| Logic Supply Voltage | — | 3 V to 5.5 V |
| Motor Supply Voltage (Load) | — | 8 V to 35 V |
| Continuous Output Current | — | ±2 A per phase |
| RDS(on) (typical) | — | 370 mOhm |
| Step Modes | — | Full-step, Half-step |
| Current Decay Modes | — | Slow, Mixed, Fast (auto-detected) |
| Current Regulation | — | Fixed off-time PWM |
| Built-in Translator | — | Yes (STEP/DIR input) |