AD7892BR-1 vs AD7892AR-1 比較
詳細並排比較 AD7892BR-1 由 Analog Devices 與 AD7892AR-1 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 | AD7892BR-1 | AD7892AR-1 |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | ADC/DAC | ADC/DAC |
| 生命週期狀態 | 啟用中 | NRND |
| 解析度 | 12 bits | 12 bits |
| Number of Channels | 1 | — |
| 取樣率 | 500 kSPS | — |
| Conversion Time | 1.47 µs | 1.47 us (successive approximation) |
| 供應電壓 | +5 V single supply | +5 V single supply |
| Input Range (AD7892-1) | True bipolar ±10 V or ±5 V | — |
| Input Range (AD7892-2) | 0 V to +5 V | — |
| Input Range (AD7892-3) | ±2.5 V (true bipolar) | — |
| Overvoltage Protection (AD7892-1/3) | ±17 V (AD7892-1), ±7 V (AD7892-3) | — |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation) |
| Reference Type | Internal 2.5 V or external | — |
| Data Interface | Parallel (12-bit word) or Serial | — |
| Track/Hold Amplifier | On-chip | — |
| Input Type | Single-Ended (true bipolar on -1/-3) | — |
| 工作溫度 | -40°C to +85°C | -40C to +85C |
| 封裝 | 24-SOIC W (0.295", 7.5 mm width) | 24-SOIC (SO-24 W) |
| 安裝類型 | Surface Mount | Surface Mount |
| RoHS 狀態 | Non-RoHS (BR suffix indicates matte tin / non-LEAD-FREE). Use AD7892BRZ-1 for Pb-free. | Non-RoHS (legacy, see AD7892ARZ-1 for Pb-free) |
| Number of Inputs | — | 2 (selected via R1) |
| Throughput Rate | — | 500 kSPS (AD7892-1 grade) |
| Input Range (R1 selection) | — | Bipolar ±10 V |
| 供應電流 | — | ~60 mW power dissipation typical |
| On-Chip Reference | — | +2.5 V internal (LC2MOS buried-zener) |
| On-Chip Track/Hold | — | Yes |
| 介面 | — | Parallel and Serial (selectable) |
| SNR | — | 70 dB (typical 50 kHz input) |
| INL | — | ±1 LSB (max) |
| Lead Finish | — | SnPb (legacy AD7892AR-1); AD7892ARZ-1 is Pb-free |