A3982SLB-T vs A3982SLBTR-T 对比
详细并排对比 A3982SLB-T 出自 Allegro MicroSystems 和 A3982SLBTR-T 出自 Allegro MicroSystems。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | A3982SLB-T | A3982SLBTR-T |
|---|---|---|
| 品牌 | Allegro MicroSystems | Allegro MicroSystems |
| 分类 | Motor Drivers | Motor Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.20 | $4.63 |
| Motor Type | Bipolar Stepper | Bipolar stepper |
| Step Mode | Full-step, Half-step | — |
| 输出配置 | 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) | — |
| 同步整流 | Yes | — |
| 热关断 | Yes | — |
| Under-Voltage Lockout | Yes | — |
| 工作温度 | -20 C to +85 C | -20 C to +85 C |
| 封装 | 24-SOIC (Wide, 300 mil, 7.50 mm) | SOIC-24 (SLB) with exposed thermal pad |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| RoHS 状态 | Compliant | Compliant |
| 输出数量 | — | 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) |