MAX1291BEEI vs MAX1290ACEI 比較
詳細並排比較 MAX1291BEEI 由 Analog Devices 與 MAX1290ACEI 由 Maxim Integrated. 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 | MAX1291BEEI | MAX1290ACEI |
|---|---|---|
| 品牌 | Analog Devices | Maxim Integrated |
| 類別 | ADC/DAC | ADC/DAC |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 解析度 | 12 bit | 12 bit |
| Number of Channels | 8 single-ended / 4 pseudo-differential | — |
| 取樣率 | 250 ksps | 400 ksps |
| Input Type | Single-ended, pseudo-differential (software-configurable unipolar/bipolar) | Single-ended / pseudo-differential |
| Architecture | SAR (Successive Approximation Register) | — |
| Analog Supply Voltage | +2.7 V to +3.6 V | +5 V |
| Digital Supply Voltage | +2.7 V to +3.6 V | — |
| Analog Supply Current (AVCC) | 2.5 mA typ at 250 ksps | — |
| Power-Down Current | < 10 uA (auto power-down between conversions) | — |
| Internal Reference | +2.5 V, 10 ppm/°C typ | — |
| INL (max) | ±1 LSB | — |
| DNL (max) | ±1 LSB | — |
| SNR | 71 dB | — |
| Input Bandwidth | 16 MHz (-3 dB small-signal) | — |
| Track-and-Hold Acquisition Time | 100 ns | — |
| Input-Referred Noise | 0.5 LSB RMS typ | — |
| Data Interface | Byte-wide parallel (8/16-bit read) | — |
| Internal Oscillator | 20 MHz (eliminates external clock) | — |
| 工作溫度範圍 | -40 °C to +85 °C (industrial) | 0 C to +70 C (commercial) |
| 封裝 | 28-pin QSOP | 28-pin QSOP |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | 1 (unlimited) | — |
| RoHS 狀態 | Compliant | Compliant |
| Number of Input Channels | — | 8 single-ended / 4 differential |
| ADC Architecture | — | SAR (Successive Approximation) |
| Digital Logic Supply (VLOGIC) | — | +2.7 V to +5.5 V |
| Internal Reference Voltage | — | +2.5 V |
| Wake-Up Time from Shutdown | — | 2 us |
| 介面 | — | Byte-wide parallel (8-bit) |
| Automatic Power-Down | — | Yes (hardware/software controlled) |
| On-Chip Clock | — | Yes |