AD7949BCPZRL7 vs AD7946BCPZ Comparación
Comparación detallada lado a lado de AD7949BCPZRL7 por Analog Devices y AD7946BCPZ por Analog Devices. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Comparación de especificaciones
| Parámetro | AD7949BCPZRL7 | AD7946BCPZ |
|---|---|---|
| Marca | Analog Devices | Analog Devices |
| Categoría | ADC/DAC | ADC/DAC |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $6,20 | $9,50 |
| Resolución | 14 bit | 14-bit |
| Number of Channels | 8 (single-ended) / 4 (differential pairs) | — |
| Architecture | SAR (Successive Approximation Register) | SAR (charge redistribution) |
| Sample Rate | 250 kSPS | — |
| Input Type | Single-Ended, Pseudobipolar, Differential (GND sense) | Pseudo-differential |
| Supply Voltage (VDD) | 2.3 V to 5.5 V | — |
| Tensión de referencia | 2.3 V to 5.5 V (external) | — |
| INL (No linealidad integral) | +/-1 LSB (typical) | — |
| No Missing Codes | Yes (14-bit guaranteed) | — |
| Digital Interface | SPI / QSPI / MICROWIRE / DSP-compatible, up to 50 MHz | — |
| Daisy-Chain Mode | Yes | — |
| Power Dissipation (250 kSPS, 5 V) | 4.5 mW (typical) | — |
| Power-Down Current | 1 uA (typical) | — |
| Acquisition Time | 290 ns (typical) | — |
| Temperatura de funcionamiento | -40C to +125C | -40°C to +85°C |
| Encapsulado | 20-LFCSP (4x4 mm) with exposed pad | 10-lead LFCSP (3 mm x 3 mm) |
| Tipo de montaje | Surface Mount | Surface Mount |
| Nivel MSL | [DATA_NEEDED: MSL rating] | — |
| Estado RoHS | Compliant | — |
| Sample Rate (Warp mode) | — | 500 kSPS |
| Sample Rate (Normal mode) | — | 450 kSPS |
| Sample Rate (Impulse mode) | — | 380 kSPS |
| INL | — | 0.4 LSB typ, 1 LSB max |
| DNL | — | 0.25 LSB typ, 0.7 LSB max |
| Rango de tensión de entrada | — | -0.5 V to 5.8 V |
| Tensión de alimentación | — | 5 V |
| Número de pines | — | 10 |
| Interfaz | — | SPI-compatible |