AS1543-BQFT vs AD7862AR-10 对比
详细并排对比 AS1543-BQFT 出自 ams OSRAM 和 AD7862AR-10 出自 Analog Devices。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | AS1543-BQFT | AD7862AR-10 |
|---|---|---|
| 品牌 | ams OSRAM | Analog Devices |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.86 | $12.35 |
| Number of Bits | 12 | — |
| 采样率 | 1 Msps | — |
| Number of Input Channels | 8 (single-ended) / 4 (differential) | — |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation) |
| Input Type | Single-Ended, Pseudo-Differential, Fully Differential | — |
| Supply Voltage (Analog) | 2.7 V to 5.25 V | — |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible Serial | — |
| Analog Input Bandwidth (T/H) | > 1 MHz | — |
| 封装 / 外壳 | 20-TQFN (4x4 mm) Exposed Pad | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 °C to +125 °C [DATA_NEEDED: confirm exact range from datasheet] | — |
| 引脚数 | 20 | — |
| Input Multiplexer | 8:1 / 4:1 (configurable) | — |
| Reference Input | External [DATA_NEEDED: confirm internal/external option] | — |
| Power Consumption | [DATA_NEEDED: typical mW at 1 Msps, 3 V / 5 V] | — |
| INL / DNL | [DATA_NEEDED: typical LSB values] | — |
| SNR | [DATA_NEEDED: dB at 1 Msps] | — |
| RoHS / Lead-Free | Compliant (per distributor listing) | — |
| Part Number | — | AD7862AR-10 |
| Number of ADCs | — | 2 |
| 分辨率 | — | 12 bits |
| Conversion Rate (Throughput) | — | 250 kSPS per channel |
| Conversion Time | — | 4 microseconds |
| Input Channels | — | 4 (2 channels x 2 inputs) |
| 输入电压范围 | — | ±10 V (AD7862-10) |
| Analog Input Type | — | Single-ended, true bipolar |
| 电源电压 | — | +5 V single supply |
| Supply Current (typ) | — | 12 mA (60 mW) |
| Internal Reference | — | +2.5 V |
| Aperture Delay Matching | — | Tight (matched between two ADCs) |
| 接口 | — | High-speed parallel |
| Integral Nonlinearity (INL) | — | ±1 LSB max (typical) / ±0.5 LSB (B-grade) |
| Signal-to-Noise Ratio (SNR) | — | 70 dB typical |
| Common-Mode Rejection | — | 80 dB typical at 50 kHz |
| Power Dissipation | — | 60 mW typical |
| 工作温度范围 | — | -40 °C to +85 °C |
| 封装 | — | 28-pin SOIC (R-28) wide body |
| Channel Selection | — | A0 logic input |
| Track-and-Hold | — | Yes, two integrated T/H amplifiers |
| RoHS 状态 | — | Compliant |