AD7949BCPZRL7 vs AD7682BCPZ 对比
详细并排对比 AD7949BCPZRL7 出自 Analog Devices 和 AD7682BCPZ 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 | AD7949BCPZRL7 | AD7682BCPZ |
|---|---|---|
| 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） | $6.20 | $4.98 |
| 分辨率 | 14 bit | 16 bits |
| Number of Channels | 8 (single-ended) / 4 (differential pairs) | 4 |
| Architecture | SAR (Successive Approximation Register) | — |
| Sample Rate | 250 kSPS | — |
| Input Type | Single-Ended, Pseudobipolar, Differential (GND sense) | Single-Ended, Differential, Pseudo-Differential |
| Supply Voltage (VDD) | 2.3 V to 5.5 V | — |
| 基准电压 | 2.3 V to 5.5 V (external) | 2.5 V or 4.096 V (internal) |
| 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) | — |
| 工作温度 | -40C to +125C | — |
| 封装 | 20-LFCSP (4x4 mm) with exposed pad | 20-Lead LFCSP (4x4 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| RoHS 状态 | Compliant | — |
| 采样率 | — | 250 kSPS |
| 接口 | — | SPI, QSPI, MICROWIRE, DSP |
| 电源电压 | — | 2.3 V to 5.5 V |
| Power Dissipation | — | 12 mW at 250 kSPS |
| 工作温度范围 | — | -40°C to +125°C |
| INL | — | ±1.5 LSB (max) |
| SNR | — | 92 dB (typical) |
| THD | — | -100 dB (typical) |
| RoHS | — | Compliant |