AD7691BCPZRL vs AK9240NK Comparação
Comparação detalhada lado a lado de AD7691BCPZRL por Analog Devices e AK9240NK por AKM (Asahi Kasei Microdevices). Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Comparação de especificações
| Parâmetro | AD7691BCPZRL | AK9240NK |
|---|---|---|
| Marca | Analog Devices | AKM (Asahi Kasei Microdevices) |
| Categoria | ADC/DAC | ADC/DAC |
| Status do ciclo de vida | Ativo | Obsolete |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $10,40 | $5,44 |
| Number of Bits | 18 | — |
| Taxa de amostragem | 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 | — |
| Temperatura de operação | -40C to +85C | — |
| Encapsulamento | 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) | — |
| Tipo de montagem | Surface Mount | Surface Mount |
| Nível MSL | 3 (168 hours) | — |
| Status RoHS | Compliant | [DATA_NEEDED: RoHS compliance status] |
| Resolução | — | 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 |
| Faixa de temperatura de operação | — | [DATA_NEEDED: operating temperature range] |
| Product Status | — | Obsolete |