AD7892BR-1 vs AD7892AR-1 Comparación
Comparación detallada lado a lado de AD7892BR-1 por Analog Devices y AD7892AR-1 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 | AD7892BR-1 | AD7892AR-1 |
|---|---|---|
| Marca | Analog Devices | Analog Devices |
| Categoría | ADC/DAC | ADC/DAC |
| Estado del ciclo de vida | Activo | NRND |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $38,90 | $11,20 |
| Resolución | 12 bits | 12 bits |
| Number of Channels | 1 | — |
| Frecuencia de muestreo | 500 kSPS | — |
| Conversion Time | 1.47 µs | 1.47 us (successive approximation) |
| Tensión de alimentación | +5 V single supply | +5 V single supply |
| Input Range (AD7892-1) | True bipolar ±10 V or ±5 V | — |
| Input Range (AD7892-2) | 0 V to +5 V | — |
| Input Range (AD7892-3) | ±2.5 V (true bipolar) | — |
| Overvoltage Protection (AD7892-1/3) | ±17 V (AD7892-1), ±7 V (AD7892-3) | — |
| Architecture | SAR (Successive Approximation) | SAR (Successive Approximation) |
| Reference Type | Internal 2.5 V or external | — |
| Data Interface | Parallel (12-bit word) or Serial | — |
| Track/Hold Amplifier | On-chip | — |
| Input Type | Single-Ended (true bipolar on -1/-3) | — |
| Temperatura de funcionamiento | -40°C to +85°C | -40C to +85C |
| Encapsulado | 24-SOIC W (0.295", 7.5 mm width) | 24-SOIC (SO-24 W) |
| Tipo de montaje | Surface Mount | Surface Mount |
| Estado RoHS | Non-RoHS (BR suffix indicates matte tin / non-LEAD-FREE). Use AD7892BRZ-1 for Pb-free. | Non-RoHS (legacy, see AD7892ARZ-1 for Pb-free) |
| Number of Inputs | — | 2 (selected via R1) |
| Throughput Rate | — | 500 kSPS (AD7892-1 grade) |
| Input Range (R1 selection) | — | Bipolar ±10 V |
| Corriente de alimentación | — | ~60 mW power dissipation typical |
| On-Chip Reference | — | +2.5 V internal (LC2MOS buried-zener) |
| On-Chip Track/Hold | — | Yes |
| Interfaz | — | Parallel and Serial (selectable) |
| SNR | — | 70 dB (typical 50 kHz input) |
| INL | — | ±1 LSB (max) |
| Lead Finish | — | SnPb (legacy AD7892AR-1); AD7892ARZ-1 is Pb-free |