AD7949BCPZRL7 vs AD7946BCPZ 比較
詳細並排比較 AD7949BCPZRL7 由 Analog Devices 與 AD7946BCPZ 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 | AD7949BCPZRL7 | AD7946BCPZ |
|---|---|---|
| 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 | 14 bit | 14-bit |
| Number of Channels | 8 (single-ended) / 4 (differential pairs) | — |
| Architecture | SAR (Successive Approximation Register) | SAR (charge redistribution) |
| Sample Rate | 250 kSPS | — |
| Input Type | Single-Ended, Pseudobipolar, Differential (GND sense) | Pseudo-differential |
| Supply Voltage (VDD) | 2.3 V to 5.5 V | — |
| 參考電壓 | 2.3 V to 5.5 V (external) | — |
| INL (積分非線性) | +/-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) | — |
| 工作溫度 | -40C to +125C | -40°C to +85°C |
| 封裝 | 20-LFCSP (4x4 mm) with exposed pad | 10-lead LFCSP (3 mm x 3 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | [DATA_NEEDED: MSL rating] | — |
| RoHS 狀態 | Compliant | — |
| 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 |
| 輸入電壓範圍 | — | -0.5 V to 5.8 V |
| 供應電壓 | — | 5 V |
| 腳位數 | — | 10 |
| 介面 | — | SPI-compatible |