AS1531 vs ADS7822PBG4 对比
详细并排对比 AS1531 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 | AS1531 | 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） | $4.10 | $2.10 |
| 分辨率 | 12 bits | 12 bits |
| Sample Rate | 300 ksps | — |
| Number of Input Channels | 4 single-ended / 2 pseudo-differential (8 with COM pin) | — |
| Supply Voltage (VDD) | +2.7 V to +3.6 V | — |
| Supply Current (300 ksps) | 2.2 mA | — |
| Supply Current (Reduced-Power Mode) | [DATA_NEEDED: reduced-power mode current] | — |
| Supply Current (Power-Down) | [DATA_NEEDED: power-down current] | — |
| Internal Reference Voltage | 2.5 V | — |
| Analog Input Range (Single-Ended) | 0 V to VREF | — |
| Analog Input Range (Pseudo-Differential) | 0 V to 2xVREF | — |
| 接口 | SPI / QSPI / MICROWIRE-compatible serial | — |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation) |
| Integral Nonlinearity (INL) | [DATA_NEEDED: INL max] | — |
| Differential Nonlinearity (DNL) | [DATA_NEEDED: DNL max] | — |
| Signal-to-Noise + Distortion (SINAD) | [DATA_NEEDED: SINAD] | — |
| 封装 | 20-pin TSSOP | 8-PDIP (PB), 0.300 inch / 7.62 mm |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (industrial) |
| RoHS 状态 | Compliant (per DigiKey listing) | Pb-free green / RoHS compliant (PBG4 suffix) |
| Number of Channels | — | 1 input, single-ended |
| 采样率 | — | 200 kSPS |
| Supply Voltage Range | — | 2.7 V to 5.25 V |
| Reference Input | — | External VREF pin (ratiometric to VDD) |
| Data Interface | — | Serial SPI / QSPI / Microwire |
| Input Type | — | Single-ended analog with integrated sample-and-hold |
| 安装类型 | — | Through-Hole |
| Power Consumption | — | Approximately 1.5 mW at 3 V, 200 kSPS |
| 关断电流 | — | Microwatts (per datasheet) |
| Lead-Free Finish | — | Yes (Matte Sn, Pb-free) |