LTC2157CUP-12 vs LTC2145CUP-12 对比
详细并排对比 LTC2157CUP-12 出自 Analog Devices 和 LTC2145CUP-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。
Analog Devices
LTC2145CUP-12 - 12-Bit 125Msps Dual ADC, 1.8V, 64-QFN | Analog Devices
LTC2145CUP-12 ✓ 量产中规格对比
| 参数 | LTC2157CUP-12 | LTC2145CUP-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 | $26.40 |
| 分辨率 | 12 bit | 12 bits |
| 采样率 | 250 MSPS per channel | — |
| Number of Channels | 2 (dual) | 2 (simultaneous sampling) |
| Architecture | Pipelined | Pipelined with on-chip S/H |
| SNR | 68.5 dB | 70.6 dB |
| SFDR | 90 dB | 89 dB |
| 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) | 0 °C to +70 °C (C grade) |
| 封装 | 64-lead QFN (9mm x 9mm) | 64-QFN EP (9 mm x 9 mm, exposed pad) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (PBF suffix) | Compliant (#PBF suffix indicates lead-free RoHS) |
| Sample Rate | — | 125 Msps |
| Analog Supply Voltage | — | 1.8 V (single supply) |
| Digital I/O Supply | — | 1.2 V to 1.8 V (separate supply) |
| Analog Input Type | — | Differential |
| INL (typical) | — | ±0.3 LSB |
| DNL (typical) | — | ±0.1 LSB (no missing codes over temperature) |
| Transition Noise | — | 0.3 LSB RMS |
| Aperture Jitter | — | 0.08 ps RMS |
| Output Modes | — | Full-rate CMOS, DDR CMOS, DDR LVDS (selectable) |