LTC2389IUK-18 vs LTC2391IUK-16 对比
详细并排对比 LTC2389IUK-18 出自 Analog Devices 和 LTC2391IUK-16 出自 Analog Devices。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Analog Devices
LTC2391IUK-16 - 16-Bit 250ksps SAR ADC, ±4.096V Input | Analog Devices
LTC2391IUK-16 ✓ 量产中规格对比
| 参数 | LTC2389IUK-18 | LTC2391IUK-16 |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $45.30 | $17.40 |
| 分辨率 | 18 bit | 16 bits |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| 采样率 | 2.5 Msps | — |
| Number of Input Channels | 1 | 1 differential |
| Input Type | Pin-configurable: Fully Differential (±4.096 V), Pseudo-Differential Unipolar (0 V to 4.096 V), Pseudo-Differential Bipolar (±2.048 V) | — |
| Analog Supply Voltage | 5 V (single supply) | — |
| Digital Interface | Serial LVDS | SPI-compatible serial |
| SNR | 99.8 dB | — |
| INL (Max) | ±2 LSB | — |
| No Missing Codes | 18 bits guaranteed | — |
| Internal Reference Voltage | 4.096 V with ±20 ppm/°C max drift | — |
| Internal Reference Buffer | Yes | — |
| 工作温度范围 | -40 °C to +85 °C (Industrial grade) | -40C to +85C (I-grade) |
| 封装 | 48-lead QFN (7x7 mm) | 48-QFN (7x7 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS Compliance | RoHS compliant (PBF suffix) | — |
| Sample Rate | — | 250 ksps |
| Analog Input Range | — | ±4.096 V fully differential (true bipolar) |
| Input Common-Mode Range | — | Wide (per datasheet) |
| Analog Supply Voltage (AVDD) | — | 5 V |
| Digital I/O Supply (OVDD) | — | 2.5 V to 5 V |
| INL (max) | — | ±2 LSB |
| DNL | — | No missing codes at 16 bits |
| SNR (typical) | — | 94 dB |
| Internal Reference Accuracy | — | 0.20% initial |
| Internal Reference Tempco | — | 20 ppm/C max |
| Conversion Latency | — | Single-cycle, no latency |
| Package Code | — | HVQCCN-48 (UK suffix) |
| RoHS 状态 | — | Compliant (PBF suffix) |