AD7691BCPZRL vs AK9240NK مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ AD7691BCPZRL بواسطة Analog Devices و AK9240NK بواسطة AKM (Asahi Kasei Microdevices). قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | AD7691BCPZRL | AK9240NK |
|---|---|---|
| العلامة التجارية | Analog Devices | AKM (Asahi Kasei Microdevices) |
| الفئة | ADC/DAC | ADC/DAC |
| حالة دورة الحياة | نشط | Obsolete |
| Number of Bits | 18 | — |
| معدل أخذ العينات | 250 kSPS | 1 MSPS per channel |
| Number of Inputs | 1 | — |
| Architecture | SAR (PulSAR, charge-redistribution) | SAR (Successive Approximation Register) |
| Input Type | Differential (pseudo-bipolar capable with REF) | Differential (current or voltage, selectable) |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible serial | SPI |
| INL (max) | ±1.5 LSB (±6 ppm of FSR) | — |
| INL (typical) | ±0.75 LSB | — |
| Dynamic Range | 102 dB (typical @ 250 kSPS) | — |
| Reference | External (REF pin, up to VDD) | — |
| Supply Voltage (VDD) | 2.3 V to 5 V | — |
| Power Dissipation (typ. @ 5V, 250 kSPS) | 6 mW | — |
| درجة حرارة التشغيل | -40C to +85C | — |
| العلبة | 10-LFCSP-WD (3x3 mm) with exposed pad | 20-QFN (3x3 mm) with exposed pad |
| Daisy-Chain Support | Yes (SDI input for multi-ADC 3-wire bus) | — |
| نوع التركيب | Surface Mount | Surface Mount |
| مستوى MSL | 3 (168 hours) | — |
| حالة RoHS | Compliant | [DATA_NEEDED: RoHS compliance status] |
| الدقة | — | 12 bits |
| Number of Channels | — | 2 (simultaneous sampling) |
| PGA | — | Integrated programmable gain amplifier |
| Input Configuration | — | PGA-ADC, 2 channels |
| Sample-and-Hold Ratio | — | 0:2 (no shared S/H; one per channel) |
| Reference Type | — | [DATA_NEEDED: internal/external reference] |
| Analog Supply Voltage (AVDD) | — | 2.7 V to 5.5 V |
| Digital Supply Voltage (DVDD) | — | 2.7 V to 5.5 V |
| LED Driver | — | Integrated |
| Auto Power Control (APC) | — | Integrated |
| On-Chip Filter | — | Band-limiting low-pass filter |
| نطاق درجة حرارة التشغيل | — | [DATA_NEEDED: operating temperature range] |
| Product Status | — | Obsolete |