LTC2389HLX-18 vs LTC2348HLX-18 对比
详细并排对比 LTC2389HLX-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。
Analog Devices
LTC2389HLX-18 - 18-Bit 2.5Msps SAR ADC 99.8dB SNR | Analog Devices
LTC2389HLX-18 ✓ 量产中规格对比
| 参数 | LTC2389HLX-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） | $50.25 | $58.10 |
| 分辨率 | 18 bits | 18 bits |
| Sample Rate | 2.5 Msps | 200 ksps per channel |
| Architecture | SAR (Successive Approximation Register) | SAR (Successive Approximation Register) |
| Input Channels | 1 (single-ended/differential configurable) | — |
| Analog Input Range | ±4.096 V differential / 0–4.096 V unipolar / ±2.048 V bipolar pseudo-differential (pin-configurable) | — |
| SNR | 99.8 dB | — |
| Internal Reference Voltage | 4.096 V | — |
| Reference Temperature Coefficient | ±20 ppm/°C (maximum) | — |
| Initial Reference Accuracy | ±0.5% | — |
| 电源电压 | 5 V (single supply) | — |
| 封装 | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm), gull wing |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| Internal Reference Buffer | Yes | — |
| No Missing Codes | 18 bits guaranteed | — |
| RoHS 状态 | Compliant | Compliant (PBF suffix) |
| Lead-Free (PBF) | Yes (per #PBF suffix) | — |
| Number of Channels | — | 8 (octal, simultaneous sampling) |
| Input Type | — | Differential / Pseudo-Differential, SoftSpan |
| 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 |
| Internal Reference | — | 2.048 V with 2X buffer (external reference supported) |
| Digital Interface | — | SPI CMOS (1.8 V to 5 V) or LVDS, 1 to 8 lanes |
| Low-Voltage Supply | — | 5 V |
| Temperature Grade | — | Automotive |