MM74C949N vs ADC0809CCN مقایسه
مقایسه دقیق کنار به کنار MM74C949N توسط Texas Instruments و ADC0809CCN توسط Texas Instruments. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
مقایسه مشخصات
| پارامتر | MM74C949N | ADC0809CCN |
|---|---|---|
| برند | Texas Instruments | Texas Instruments |
| دسته‌بندی | ADC/DAC | ADC/DAC |
| وضعیت چرخه عمر | Obsolete | فعال |
| رزولوشن | 8 bits | 8 bits |
| Number of Input Channels | 8 (single-ended, multiplexed) | — |
| Conversion Architecture | Successive Approximation (SAR) | — |
| Conversion Time | 116 microseconds (typical) | — |
| ولتاژ تغذیه | 5 V (single supply) | — |
| Analog Input Type | Single-ended, 8-channel MUX | — |
| Digital Interface | 8-bit microprocessor-compatible, tri-state outputs | — |
| بسته‌بندی | 28-PDIP (Plastic DIP, 28-pin) | 28-pin PDIP (through-hole) |
| محدوده دمای کاری | -40 C to +85 C | — |
| Output Code | Binary (unipolar) | — |
| Technology | CMOS | — |
| Sample-and-Hold | Internal | — |
| Reference | Internal (external reference option [DATA_NEEDED: pin details]) | — |
| وضعیت RoHS | [DATA_NEEDED: RoHS status - legacy part predates RoHS directive; check distributor listings] | Compliant (NOPB variant); non-compliant legacy |
| تعداد پایه | 28 | — |
| نوع نصب | Through-Hole (DIP) | Through-Hole (DIP) |
| وضعیت چرخه عمر | Obsolete / End of Life (per GlobalSpec listing) | — |
| 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) |
| جریان تغذیه | — | [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 |
| ولتاژ مرجع | — | Internal 256R ladder, VREF+ / VREF- pins |
| Digital I/O Logic Level | — | TTL/CMOS compatible |
| دمای کاری | — | -40 °C to +85 °C |
| Output Interface | — | 8-bit parallel, tri-state latched |
| Channel Selection | — | 3-bit address latch (A0/A1/A2) |