ADC0809CCN vs MM74C949N 比較
詳細並排比較 ADC0809CCN 由 Texas Instruments 與 MM74C949N 由 Texas Instruments. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | ADC0809CCN | MM74C949N |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 類別 | ADC/DAC | ADC/DAC |
| 生命週期狀態 | 啟用中 | Obsolete |
| 解析度 | 8 bits | 8 bits |
| Architecture | Successive Approximation (SAR) | — |
| Number of Channels | 8 single-ended | — |
| Sample Rate (max) | 10 kSPS | — |
| Input Type | Single-Ended, Multiplexed | — |
| Supply Voltage (VCC) | 4.5 V to 5.25 V (5 V typical) | — |
| 供應電流 | [DATA_NEEDED: typical quiescent current] | — |
| Analog Input Voltage Range | 0 V to VCC | — |
| Integral Nonlinearity (INL) | ±1 LSB max | — |
| Differential Nonlinearity (DNL) | ±1 LSB max (no missing codes) | — |
| Conversion Time (typ) | [DATA_NEEDED: at fCLK] | — |
| Clock Frequency | 10 kHz to 1.1 MHz | — |
| 參考電壓 | Internal 256R ladder, VREF+ / VREF- pins | — |
| Digital I/O Logic Level | TTL/CMOS compatible | — |
| 工作溫度 | -40 °C to +85 °C | — |
| 封裝 | 28-pin PDIP (through-hole) | 28-PDIP (Plastic DIP, 28-pin) |
| 安裝類型 | Through-Hole (DIP) | Through-Hole (DIP) |
| RoHS 狀態 | Compliant (NOPB variant); non-compliant legacy | [DATA_NEEDED: RoHS status - legacy part predates RoHS directive; check distributor listings] |
| Output Interface | 8-bit parallel, tri-state latched | — |
| Channel Selection | 3-bit address latch (A0/A1/A2) | — |
| Number of Input Channels | — | 8 (single-ended, multiplexed) |
| Conversion Architecture | — | Successive Approximation (SAR) |
| Conversion Time | — | 116 microseconds (typical) |
| 供應電壓 | — | 5 V (single supply) |
| Analog Input Type | — | Single-ended, 8-channel MUX |
| Digital Interface | — | 8-bit microprocessor-compatible, tri-state outputs |
| 工作溫度範圍 | — | -40 C to +85 C |
| Output Code | — | Binary (unipolar) |
| Technology | — | CMOS |
| Sample-and-Hold | — | Internal |
| Reference | — | Internal (external reference option [DATA_NEEDED: pin details]) |
| 腳位數 | — | 28 |
| 生命週期狀態 | — | Obsolete / End of Life (per GlobalSpec listing) |