MM74C948N vs MM74C949N 对比
详细并排对比 MM74C948N 出自 Texas Instruments 和 MM74C949N 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
MM74C948N - 8-Bit ADC w/ 16-Ch MUX | Texas Instruments | DIP-40
MM74C948N Obsolete
规格对比
| 参数 | MM74C948N | MM74C949N |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $7.05 | $3.65 |
| 分辨率 | 8 bit | 8 bits |
| Architecture | Successive Approximation (SAR) | — |
| Number of Analog Input Channels | 16 (single-ended, multiplexed) | — |
| 电源电压 | 5 V (single supply) | 5 V (single supply) |
| Maximum Conversion Time | 116 us | — |
| Technology | CMOS | CMOS |
| 接口 | Microprocessor-compatible parallel | — |
| 工作温度 | -40C to +85C | — |
| Temperature Grade | Industrial | — |
| 封装 | PDIP-40 (N) | 28-PDIP (Plastic DIP, 28-pin) |
| 安装类型 | Through-Hole | Through-Hole (DIP) |
| Terminal Form | Through-Hole | — |
| Package Code | DIP | — |
| Number of Terminals | 40 | — |
| Package Shape | Rectangular | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status - datasheet predates RoHS era] | [DATA_NEEDED: RoHS status - legacy part predates RoHS directive; check distributor listings] |
| Number of Input Channels | — | 8 (single-ended, multiplexed) |
| Conversion Architecture | — | Successive Approximation (SAR) |
| Conversion Time | — | 116 microseconds (typical) |
| Analog Input Type | — | Single-ended, 8-channel MUX |
| Digital Interface | — | 8-bit microprocessor-compatible, tri-state outputs |
| 工作温度范围 | — | -40 C to +85 C |
| Output Code | — | Binary (unipolar) |
| Sample-and-Hold | — | Internal |
| Reference | — | Internal (external reference option [DATA_NEEDED: pin details]) |
| 引脚数量 | — | 28 |
| 生命周期状态 | — | Obsolete / End of Life (per GlobalSpec listing) |