AD7892AR-1 vs AD7892BR-1 比較
詳細並排比較 AD7892AR-1 由 Analog Devices 與 AD7892BR-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 | AD7892AR-1 | AD7892BR-1 |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | ADC/DAC | ADC/DAC |
| 生命週期狀態 | NRND | 啟用中 |
| 解析度 | 12 bits | 12 bits |
| Number of Inputs | 2 (selected via R1) | — |
| Throughput Rate | 500 kSPS (AD7892-1 grade) | — |
| Conversion Time | 1.47 us (successive approximation) | 1.47 µs |
| Input Range (R1 selection) | Bipolar ±10 V | — |
| 供應電壓 | +5 V single supply | +5 V single supply |
| 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) | — |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation) |
| SNR | 70 dB (typical 50 kHz input) | — |
| INL | ±1 LSB (max) | — |
| 工作溫度 | -40C to +85C | -40°C to +85°C |
| 封裝 | 24-SOIC (SO-24 W) | 24-SOIC W (0.295", 7.5 mm width) |
| 安裝類型 | Surface Mount | Surface Mount |
| RoHS 狀態 | Non-RoHS (legacy, see AD7892ARZ-1 for Pb-free) | Non-RoHS (BR suffix indicates matte tin / non-LEAD-FREE). Use AD7892BRZ-1 for Pb-free. |
| Lead Finish | SnPb (legacy AD7892AR-1); AD7892ARZ-1 is Pb-free | — |
| Number of Channels | — | 1 |
| 取樣率 | — | 500 kSPS |
| 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) |
| 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) |