TSA7887ARMZ-REEL vs TSA7887BRZ-REEL 对比
详细并排对比 TSA7887ARMZ-REEL 出自 Silicon Labs 和 TSA7887BRZ-REEL 出自 Silicon Labs。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 | TSA7887ARMZ-REEL | TSA7887BRZ-REEL |
|---|---|---|
| 品牌 | Silicon Labs | Silicon Labs |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.55 | $2.40 |
| Number of Bits | 12 | — |
| 采样率 | 125 ksps | 125 kSPS |
| Number of Channels | 2 (single-ended, multiplexed) | 2 single-ended (1 or 2 input mode, pin-selectable) |
| 电源电压 | +2.7 V to +5.25 V (single supply) | — |
| 电源电流 | 0.85 mA typical at full throughput | — |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| Input Track-and-Hold Acquisition Time | 500 ns | — |
| Internal Reference Voltage | +2.5 V | +2.5 V (B grade) |
| Data Interface | SPI, MICROWIRE, QSPI, DSP-compatible serial | SPI / MICROWIRE / QSPI / DSP-compatible serial |
| External Serial Clock | 2 MHz maximum | — |
| Analog Input Type | Single-ended (one or two inputs) | — |
| 封装 | MSOP-8 (RM) | — |
| 安装类型 | Surface Mount | Surface Mount |
| Operating Temperature Grade | Automotive (xIND / extended industrial, per Silabs marking) | — |
| 引脚数量 | 8 | — |
| RoHS 状态 | Compliant | — |
| Manufacturer | — | Silicon Labs (originally Touchstone Semiconductor) |
| Part Number | — | TSA7887BRZ-REEL |
| 功能 | — | 12-Bit SAR Analog-to-Digital Converter (ADC) |
| 分辨率 | — | 12 bit |
| Supply Voltage (VDD) | — | 2.7 V to 5.25 V (single supply) |
| 输入电压范围 | — | 0 V to VREF (single-ended) |
| Input Bandwidth | — | Wide-bandwidth track-and-hold |
| 封装 / 外壳 | — | 8-SOIC (R-8) |
| 工作温度 | — | -40°C to +85°C (industrial) |
| Lead-Free / RoHS | — | Compliant (per DigiKey listing) |
| Pin Configuration | — | Drop-in second source for AD7887 family, 8-SOIC |
| Duty Class | — | Micropower |