AS1544-BQFT vs ADS7841PBG4 对比
详细并排对比 AS1544-BQFT 出自 ams OSRAM 和 ADS7841PBG4 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。
规格对比
| 参数 | AS1544-BQFT | ADS7841PBG4 |
|---|---|---|
| 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） | $2.39 | $4.12 |
| Number of Bits | 12 | — |
| Sampling Rate (Per Second) | 1 MSPS | — |
| Number of Inputs | 4 single-ended / 2 differential | — |
| Input Type | Single-Ended, Differential (Pseudo) | — |
| Data Interface | DSP, MICROWIRE, QSPI, Serial, SPI | Serial (SPI/QSPI/MICROWIRE-compatible) |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation) |
| Supply Voltage (Analog/Digital) | 2.7 V to 5.25 V (single supply) | — |
| Reference Type | [DATA_NEEDED: internal/external reference voltage] | — |
| Channel Sequencer | Yes (programmable sequential conversion) | — |
| 工作温度 | -40 C to +85 C | -40 C to +85 C (industrial) |
| 封装 / 外壳 | 20-TQFN Exposed Pad (4x4 mm) | — |
| 安装类型 | Surface Mount | Through-Hole |
| Packaging | Tape & Reel (TR) | — |
| 引脚数 | 20 | — |
| MSL 等级 | [DATA_NEEDED: MSL rating] | 1 (unlimited) |
| RoHS 状态 | Compliant | Compliant |
| 分辨率 | — | 12 bits (programmable to 8 bits) |
| Number of Input Channels | — | 4 single-ended or 2 differential |
| 采样率 | — | 200 kSPS |
| Conversion Time | — | 3.75 us |
| INL (Max) | — | +/-1 LSB |
| DNL (Max) | — | +/-1 LSB |
| SINAD | — | 72 dB |
| Missing Codes | — | None (guaranteed) |
| 电源电压 | — | 2.7 V to 5.5 V (single supply) |
| Reference Voltage (VREF) | — | 100 mV to VCC |
| Analog Input Range | — | 0 V to VREF |
| Power Dissipation (Typ, 200 kHz, VCC=5V) | — | 2 mW |
| 关断电流 | — | < 1 uA |
| 封装 | — | 16-PDIP (0.300 in, 7.62 mm) |
| Lead-Free | — | Yes |