AD7946BCPZ vs AD7949BCPZRL7 对比
详细并排对比 AD7946BCPZ 出自 Analog Devices 和 AD7949BCPZRL7 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。
规格对比
| 参数 | AD7946BCPZ | AD7949BCPZRL7 |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 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） | $9.50 | $6.20 |
| 分辨率 | 14-bit | 14 bit |
| Sample Rate (Warp mode) | 500 kSPS | — |
| Sample Rate (Normal mode) | 450 kSPS | — |
| Sample Rate (Impulse mode) | 380 kSPS | — |
| INL | 0.4 LSB typ, 1 LSB max | — |
| DNL | 0.25 LSB typ, 0.7 LSB max | — |
| 输入电压范围 | -0.5 V to 5.8 V | — |
| 电源电压 | 5 V | — |
| 工作温度 | -40°C to +85°C | -40C to +125C |
| 封装 | 10-lead LFCSP (3 mm x 3 mm) | 20-LFCSP (4x4 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 引脚数 | 10 | — |
| Architecture | SAR (charge redistribution) | SAR (Successive Approximation Register) |
| Input Type | Pseudo-differential | Single-Ended, Pseudobipolar, Differential (GND sense) |
| 接口 | SPI-compatible | — |
| Number of Channels | — | 8 (single-ended) / 4 (differential pairs) |
| Sample Rate | — | 250 kSPS |
| Supply Voltage (VDD) | — | 2.3 V to 5.5 V |
| 基准电压 | — | 2.3 V to 5.5 V (external) |
| INL（积分非线性） | — | +/-1 LSB (typical) |
| No Missing Codes | — | Yes (14-bit guaranteed) |
| Digital Interface | — | SPI / QSPI / MICROWIRE / DSP-compatible, up to 50 MHz |
| Daisy-Chain Mode | — | Yes |
| Power Dissipation (250 kSPS, 5 V) | — | 4.5 mW (typical) |
| Power-Down Current | — | 1 uA (typical) |
| Acquisition Time | — | 290 ns (typical) |
| MSL 等级 | — | [DATA_NEEDED: MSL rating] |
| RoHS 状态 | — | Compliant |