MAX1291BCEI vs MAX1291BEEI مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ MAX1291BCEI بواسطة Maxim Integrated و MAX1291BEEI بواسطة Analog Devices. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | MAX1291BCEI | MAX1291BEEI |
|---|---|---|
| العلامة التجارية | Maxim Integrated | Analog Devices |
| الفئة | ADC/DAC | ADC/DAC |
| حالة دورة الحياة | نشط | نشط |
| الدقة | 12 bit | 12 bit |
| Number of Channels | 8 single-ended / 4 differential (software-configurable) | 8 single-ended / 4 pseudo-differential |
| معدل أخذ العينات | 250 ksps | 250 ksps |
| ADC Architecture | SAR (Successive Approximation Register) | — |
| Supply Voltage (Analog) | 2.7 V to 3.6 V (single +3 V supply) | — |
| Supply Voltage (Digital) | 2.7 V to 3.6 V | — |
| Internal Reference Voltage | +2.5 V | — |
| نطاق جهد الدخل | 0 to VREF / 0 to 2 VREF / ±VREF / ±2 VREF (software-configurable) | — |
| Data Interface | Parallel (12-bit wide) | Byte-wide parallel (8/16-bit read) |
| Number of Inputs | 4 or 8 (software-configurable) | — |
| Input Type | Single-Ended / Pseudo-Differential | Single-ended, pseudo-differential (software-configurable unipolar/bipolar) |
| العلبة | 28-pin QSOP | 28-pin QSOP |
| نوع التركيب | Surface Mount | Surface Mount |
| درجة حرارة التشغيل | 0C to +70C (commercial grade, B suffix) | — |
| حالة RoHS | Compliant (BCEI suffix) | Compliant |
| Power-Down Mode | Yes (hardware and software configurable) | — |
| INL (Max) | [DATA_NEEDED: INL maximum in LSB] | — |
| DNL (Max) | [DATA_NEEDED: DNL maximum in LSB] | — |
| Power Consumption (Active) | [DATA_NEEDED: active supply current in mA] | — |
| Power Consumption (Power-Down) | [DATA_NEEDED: power-down current in uA] | — |
| Architecture | — | SAR (Successive Approximation Register) |
| Analog Supply Voltage | — | +2.7 V to +3.6 V |
| Digital Supply Voltage | — | +2.7 V to +3.6 V |
| Analog Supply Current (AVCC) | — | 2.5 mA typ at 250 ksps |
| Power-Down Current | — | < 10 uA (auto power-down between conversions) |
| Internal Reference | — | +2.5 V, 10 ppm/°C typ |
| INL (max) | — | ±1 LSB |
| DNL (max) | — | ±1 LSB |
| SNR | — | 71 dB |
| Input Bandwidth | — | 16 MHz (-3 dB small-signal) |
| Track-and-Hold Acquisition Time | — | 100 ns |
| Input-Referred Noise | — | 0.5 LSB RMS typ |
| Internal Oscillator | — | 20 MHz (eliminates external clock) |
| نطاق درجة حرارة التشغيل | — | -40 °C to +85 °C (industrial) |
| مستوى MSL | — | 1 (unlimited) |