LTC2157CUP-12 vs LTC2156CUP-12 对比
详细并排对比 LTC2157CUP-12 出自 Analog Devices 和 LTC2156CUP-12 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 | LTC2156CUP-12 |
|---|---|---|
| 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 | $90.14 |
| 分辨率 | 12 bit | 12 bits |
| 采样率 | 250 MSPS per channel | 210 Msps |
| Number of Channels | 2 (dual) | 2 (dual) |
| Architecture | Pipelined | Pipelined |
| SNR | 68.5 dB | [DATA_NEEDED: signal-to-noise ratio] |
| SFDR | 90 dB | [DATA_NEEDED: spurious-free dynamic range] |
| Power Dissipation (Total) | 628 mW | — |
| 电源电压 | 1.8 V (single) | — |
| Full-Power Input Bandwidth | 1.25 GHz | — |
| Differential Input Range | 1.5 Vp-p | — |
| Digital Output | DDR LVDS | — |
| Configuration Interface | Serial SPI | — |
| 工作温度范围 | 0C to +70C (commercial, C suffix) | — |
| 封装 | 64-lead QFN (9mm x 9mm) | 64-lead QFN (UP), 9x9 mm with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (PBF suffix) | Compliant (PBF suffix) |
| Input Type | — | Differential / Single-ended |
| Digital Output Interface | — | DDR LVDS |
| INL (typical) | — | ±0.26 LSB |
| DNL (typical) | — | ±0.16 LSB |
| Transition Noise | — | 0.54 LSBRMS |
| Latency | — | 5 clock cycles |
| Missing Codes | — | None over temperature |
| Clock Input | — | Differential (sine, PECL, LVDS, TTL, CMOS) |
| Supply Voltage (analog) | — | [DATA_NEEDED: analog supply voltage] |
| Supply Voltage (digital) | — | [DATA_NEEDED: digital supply voltage] |
| Power Dissipation | — | [DATA_NEEDED: power dissipation per channel] |
| 工作温度 | — | -40 C to +85 C (C grade) |
| MSL 等级 | — | 3 |
| Family Pin-Compatibility | — | LTC2157-12 (250 Msps), LTC2155-12 (170 Msps) |
| 1ku List Price (start) | — | $90.14 (per ADI product page, as of 2026-10-13) |