AD7685BCPZ vs AD7949BCPZRL7 比較
詳細並排比較 AD7685BCPZ 由 Analog Devices 與 AD7949BCPZRL7 由 Analog Devices. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | AD7685BCPZ | AD7949BCPZRL7 |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | ADC/DAC | ADC/DAC |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 解析度 | 16 bits | 14 bit |
| 取樣率 | 250 kSPS | — |
| Input Type | Pseudo-differential | Single-Ended, Pseudobipolar, Differential (GND sense) |
| 供應電壓 | 2.3 V to 5.5 V | — |
| Power Consumption | 3.5 mW at 5 V | — |
| 介面 | SPI | — |
| 封裝 | 10-LFCSP-WD (3x3 mm) | 20-LFCSP (4x4 mm) with exposed pad |
| 工作溫度 | -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] | — |
| 參考電壓 | External, 0.5V to VDD | 2.3 V to 5.5 V (external) |
| 安裝類型 | Surface Mount | Surface Mount |
| RoHS 狀態 | 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 (積分非線性) | — | +/-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 等級 | — | [DATA_NEEDED: MSL rating] |