LTC2344CUH-18 vs LTC2348HLX-18 对比
详细并排对比 LTC2344CUH-18 出自 Analog Devices 和 LTC2348HLX-18 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。
规格对比
| 参数 | LTC2344CUH-18 | LTC2348HLX-18 |
|---|---|---|
| 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） | $18.20 | $58.10 |
| 分辨率 | 18 bits | 18 bits |
| Sampling Rate per Channel | 400 kSPS | — |
| Number of Channels | 4 (simultaneous sampling) | 8 (octal, simultaneous sampling) |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| Input Type | Differential, wide common-mode range | Differential / Pseudo-Differential, SoftSpan |
| Input Range (SoftSpan) | Bipolar ±10.24 V / unipolar 0-5 V (range dependent) | — |
| 电源电压 | 5 V (single analog supply) | — |
| Digital I/O Supply | 1.8 V to 5 V (OVDD) | — |
| Internal Reference | 2.048 V (with internal buffer) | 2.048 V with 2X buffer (external reference supported) |
| SNR | 100 dB typical | — |
| INL | ±2 LSB maximum | — |
| Serial Interface | SPI CMOS (1.8V-5V) / LVDS, pin-selectable, 1-4 lanes (CMOS) | — |
| Sample-and-Hold | Per-channel, true simultaneous acquisition | — |
| 工作温度范围 | -40 to 125 C | — |
| 封装 | 32-QFN (5x5 mm) with exposed pad | 48-LQFP (7x7 mm), gull wing |
| 安装类型 | Surface Mount | — |
| RoHS 状态 | Compliant (#PBF suffix) | Compliant (PBF suffix) |
| Sample Rate | — | 200 ksps per channel |
| 输入电压范围 | — | ±10.24 V (true bipolar, SoftSpan configurable) |
| Common-Mode Rejection Ratio (CMRR) | — | 118 dB |
| Signal-to-Noise Ratio (SNR) | — | 96.7 dB |
| Integral Nonlinearity (INL) | — | ±3 LSB |
| Missing Codes | — | None at 18 bits |
| Digital Interface | — | SPI CMOS (1.8 V to 5 V) or LVDS, 1 to 8 lanes |
| Low-Voltage Supply | — | 5 V |
| Temperature Grade | — | Automotive |