LTC2157CUP-12 vs LTC2157CUP-14 对比
详细并排对比 LTC2157CUP-12 出自 Analog Devices 和 LTC2157CUP-14 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 | LTC2157CUP-12 | LTC2157CUP-14 |
|---|---|---|
| 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） | $71.30 | $132.40 |
| 分辨率 | 12 bit | 14 bits |
| 采样率 | 250 MSPS per channel | — |
| Number of Channels | 2 (dual) | 2 (simultaneous sampling) |
| Architecture | Pipelined | Pipelined |
| SNR | 68.5 dB | 70 dB |
| SFDR | 90 dB | 90 dB |
| Power Dissipation (Total) | 628 mW | — |
| 电源电压 | 1.8 V (single) | 1.8 V (single) |
| Full-Power Input Bandwidth | 1.25 GHz | — |
| Differential Input Range | 1.5 Vp-p | — |
| Digital Output | DDR LVDS | DDR LVDS |
| Configuration Interface | Serial SPI | Serial SPI port |
| 工作温度范围 | 0C to +70C (commercial, C suffix) | 0C to +70C (commercial, C grade) |
| 封装 | 64-lead QFN (9mm x 9mm) | 64-QFN (9 mm x 9 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (PBF suffix) | Compliant (PBF suffix) |
| Sample Rate | — | 250 Msps per channel |
| Input Type | — | Differential |
| Input Range | — | 1.5 Vp-p |
| Total Power Dissipation | — | 650 mW |
| Full-Power Bandwidth (S/H) | — | 1.25 GHz |
| Reference | — | Internal or external |
| Pin/Package Code | — | UP (QFN-64) |
| Clock Duty Cycle Stabilizer | — | Optional, on-chip |
| Sleep/Nap Modes | — | Yes (low-power) |