AD7685BCPZ vs AD7949BCPZRL7 对比
详细并排对比 AD7685BCPZ 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 | AD7685BCPZ | 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） | $8.10 | $6.20 |
| 分辨率 | 16 bits | 14 bit |
| 采样率 | 250 kSPS | — |
| Input Type | Pseudo-differential | Single-Ended, Pseudobipolar, Differential (GND sense) |
| 电源电压 | 2.3 V to 5.5 V | — |
| Power Consumption | 3.5 mW at 5 V | — |
| 接口 | SPI | — |
| 封装 | 10-LFCSP-WD (3x3 mm) | 20-LFCSP (4x4 mm) with exposed pad |
| 工作温度 | -40C to +125C | -40C to +125C |
| No Missing Codes | Yes | Yes (14-bit guaranteed) |
| SNR | [DATA_NEEDED: SNR] | — |
| THD | [DATA_NEEDED: THD] | — |
| INL | [DATA_NEEDED: INL] | — |
| DNL | [DATA_NEEDED: DNL] | — |
| 基准电压 | External, 0.5V to VDD | 2.3 V to 5.5 V (external) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Number of Channels | — | 8 (single-ended) / 4 (differential pairs) |
| Architecture | — | SAR (Successive Approximation Register) |
| Sample Rate | — | 250 kSPS |
| Supply Voltage (VDD) | — | 2.3 V to 5.5 V |
| INL（积分非线性） | — | +/-1 LSB (typical) |
| 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] |