MAX145ACUA vs MAX144BCUA مقایسه
مقایسه دقیق کنار به کنار MAX145ACUA توسط Analog Devices و MAX144BCUA توسط Maxim Integrated. 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 | MAX145ACUA | MAX144BCUA |
|---|---|---|
| برند | Analog Devices | Maxim Integrated |
| دسته‌بندی | ADC/DAC | ADC/DAC |
| وضعیت چرخه عمر | فعال | فعال |
| Manufacturer | Analog Devices / Maxim Integrated | — |
| Part Number | MAX145ACUA | — |
| عملکرد | 12-bit SAR Analog-to-Digital Converter (ADC) | — |
| Number of Channels | 2 (1 pseudo-differential per the MAX145 family) | — |
| Number of Bits | 12 | — |
| نرخ نمونه‌برداری | 108 ksps | 108 ksps |
| Architecture | Successive Approximation Register (SAR) | — |
| Supply Voltage (VDD) | +2.7 V to +5.25 V | — |
| Supply Current (108 ksps, VDD = 3.6 V) | 0.9 mA typ | — |
| Supply Current (10 ksps, VDD = 3.6 V) | 100 µA typ | — |
| Supply Current (1 ksps, VDD = 3.6 V) | 10 µA typ | — |
| Power-Down Current | 0.2 µA typ | — |
| Conversion Time | 7.4 µs (incl. track/hold acquisition) | 7.4 µs (SAR successive approximation) |
| Wake-Up Time | 2.5 µs | 2.5 µs |
| Digital Interface | 3-wire SPI/QSPI/MICROWIRE-compatible serial | — |
| Internal Clock | Yes (on-chip, 2.5 MHz typ) | — |
| Track/Hold | Internal | — |
| Reference Input | External (REF+, REF-) | — |
| بسته‌بندی | 8-pin µMAX / uSOP | 8-pin µMAX (8-MSOP, 3.00 mm width) |
| Operating Temperature (A grade) | 0 °C to +70 °C | — |
| نوع نصب | Surface Mount | Surface Mount |
| وضعیت RoHS | Compliant (lead-free variants) | [DATA_NEEDED: RoHS compliance] |
| رزولوشن | — | 12 bit |
| Number of Inputs | — | 2 (single-ended, multiplexed) |
| محدوده ولتاژ ورودی | — | 0 to VREF |
| ولتاژ تغذیه | — | +2.7 V to +5.25 V (single) |
| Supply Current (active) | — | [DATA_NEEDED: active current typ] |
| Supply Current (AutoShutdown) | — | 0.3 µA typical (between conversions) |
| Internal Clock Frequency | — | 4.096 MHz |
| رابط | — | SPI/QSPI/MICROWIRE-compatible, 3-wire serial |
| ولتاژ مرجع | — | External (VREF applied to REF pin) |
| INL (max, B grade) | — | ±1 LSB |
| دمای کاری | — | 0 °C to +70 °C (commercial, B suffix CUA) |
| سطح MSL | — | [DATA_NEEDED: MSL rating] |
| Compatible Pinout Part | — | MAX145 (14-bit upgrade, same 8-µMAX footprint) |