AS1543-BQFT vs ADS7822PBG4 对比
详细并排对比 AS1543-BQFT 出自 ams OSRAM 和 ADS7822PBG4 出自 Texas Instruments。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。
Texas Instruments
ADS7822PBG4 - 12-Bit 200kSPS Micro-Power SAR ADC | Texas Instruments
ADS7822PBG4 ✓ 量产中规格对比
| 参数 | AS1543-BQFT | ADS7822PBG4 |
|---|---|---|
| 品牌 | ams OSRAM | Texas Instruments |
| 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 | $2.10 |
| Number of Bits | 12 | — |
| 采样率 | 1 Msps | 200 kSPS |
| 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 | Single-ended analog with integrated sample-and-hold |
| Supply Voltage (Analog) | 2.7 V to 5.25 V | — |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible Serial | Serial SPI / QSPI / Microwire |
| Analog Input Bandwidth (T/H) | > 1 MHz | — |
| 封装 / 外壳 | 20-TQFN (4x4 mm) Exposed Pad | — |
| 安装类型 | Surface Mount | Through-Hole |
| 工作温度 | -40 °C to +125 °C [DATA_NEEDED: confirm exact range from datasheet] | -40 C to +85 C (industrial) |
| 引脚数 | 20 | — |
| Input Multiplexer | 8:1 / 4:1 (configurable) | — |
| Reference Input | External [DATA_NEEDED: confirm internal/external option] | External VREF pin (ratiometric to VDD) |
| Power Consumption | [DATA_NEEDED: typical mW at 1 Msps, 3 V / 5 V] | Approximately 1.5 mW at 3 V, 200 kSPS |
| INL / DNL | [DATA_NEEDED: typical LSB values] | — |
| SNR | [DATA_NEEDED: dB at 1 Msps] | — |
| RoHS / Lead-Free | Compliant (per distributor listing) | — |
| 分辨率 | — | 12 bits |
| Number of Channels | — | 1 input, single-ended |
| Supply Voltage Range | — | 2.7 V to 5.25 V |
| 封装 | — | 8-PDIP (PB), 0.300 inch / 7.62 mm |
| 关断电流 | — | Microwatts (per datasheet) |
| RoHS 状态 | — | Pb-free green / RoHS compliant (PBG4 suffix) |
| Lead-Free Finish | — | Yes (Matte Sn, Pb-free) |