AD5291BRUZ-20 vs AD5270BCPZ-20 对比
详细并排对比 AD5291BRUZ-20 出自 Analog Devices 和 AD5270BCPZ-20 出自 Analog Devices。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。
Analog Devices
AD5291BRUZ-20 - 20kΩ 256-Position SPI Digital Potentiometer | ADI
AD5291BRUZ-20 ✓ 量产中
规格对比
| 参数 | AD5291BRUZ-20 | AD5270BCPZ-20 |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | Logic ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.69 | $4.65 |
| Number of Channels | 1 | 1 |
| Number of Taps | 256 | 1024 |
| End-to-End Resistance (R-AB) | 20 kΩ | 20 kΩ nominal |
| Resistance Tolerance | ±1% (max) | — |
| Temperature Coefficient (Rheostat Mode) | 5 ppm/°C (typ) | — |
| Digital Interface | SPI (Mode 1, Mode 3) | — |
| Analog Supply Voltage (VDD) | 2.7 V to 5.5 V | — |
| Logic Supply Voltage (VL) | 1.7 V to 5.5 V | — |
| Wiper Resistance | 50 Ω (typ) | — |
| Nonvolatile Memory | 20-time programmable (20-TP) | 50-TP (50-time programmable) |
| Bandwidth (Rheostat Mode, -3 dB) | [DATA_NEEDED: bandwidth] | — |
| Total Harmonic Distortion + Noise | [DATA_NEEDED: THD+N] | — |
| 工作温度范围 | -40 °C to +105 °C | — |
| 封装 | 14-pin TSSOP (RU-14) | 10-LFCSP-WD (3 mm × 3 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (unlimited) | — |
| Lead-Free / RoHS | Yes / Compliant | — |
| Reset Input | Hardware RESET pin + software reset (Command 4) | — |
| Part Number | — | AD5270BCPZ-20 |
| Resistor Tolerance | — | < 1% |
| 接口 | — | SPI (4-wire serial) |
| Wiper Resistance (Rw) | — | 35 Ω to 70 Ω typical |
| Wiper Current (max) | — | ±6 mA |
| Supply Voltage (VDD) | — | 2.7 V to 5.5 V (single 5 V operation noted) |
| 工作温度 | — | -40 °C to +125 °C |
| Memory Writes | — | 50 times maximum (50-TP) |
| Compliance | — | RoHS compliant |