LTC2257CUJ-14 vs LTC2257IUJ-14 对比
详细并排对比 LTC2257CUJ-14 出自 Analog Devices 和 LTC2257IUJ-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。
Analog Devices
LTC2257CUJ-14 - 14-Bit 40Msps Ultralow Power ADC | Analog Devices
LTC2257CUJ-14 ✓ 量产中Analog Devices
LTC2257IUJ-14 - 14-bit, 40Msps Ultralow Power 1.8V ADC | Analog Devices
LTC2257IUJ-14 ✓ 量产中规格对比
| 参数 | LTC2257CUJ-14 | LTC2257IUJ-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） | $10.40 | $16.40 |
| 分辨率 | 14 bit | 14 bit |
| Sample Rate | 40 Msps | 40 Msps |
| Architecture | Pipelined | Pipelined |
| Number of Inputs | 1 | 1 |
| Supply Voltage (Analog) | 1.8 V (typ) | — |
| Power Dissipation | 49 mW at 40 Msps | [DATA_NEEDED: exact mW at 40 Msps, datasheet figure] |
| Input Range (selectable) | 1 Vp-p to 2 Vp-p | — |
| Full-Power Input Bandwidth | 800 MHz | — |
| INL (typical) | ±1 LSB | ±1 LSB |
| DNL (typical) | ±0.3 LSB | ±0.3 LSB |
| Transition Noise | 1.13 LSB RMS | 1.13 LSB RMS |
| Missing Codes Over Temperature | None | — |
| Digital Outputs | Full-rate CMOS / DDR CMOS / DDR LVDS (selectable) | — |
| Output Supply Range (OVDD) | 1.2 V to 1.8 V | — |
| Configuration Interface | Serial SPI port | SPI serial port |
| Power-Saving Modes | Shutdown and Nap | Shutdown, Nap modes |
| Optional Features | Data output randomizer, clock duty cycle stabilizer | — |
| 封装 | 40-pin QFN (6 mm × 6 mm) | 40-QFN (UJ) 6x6 mm with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Compliance | RoHS compliant (Pb-free #PBF suffix) | — |
| Input Type | — | Differential (single-ended capable) |
| Analog Supply Voltage | — | 1.7 V to 1.9 V (1.8 V nominal) |
| Digital Output Supply | — | 1.2 V to 1.8 V |
| Missing Codes | — | None over temperature |
| Output Interface | — | CMOS / DDR CMOS / DDR LVDS (selectable) |
| SNR | — | [DATA_NEEDED: SNR dBFS at fin] |
| SFDR | — | [DATA_NEEDED: SFDR dBc at fin] |
| 工作温度 | — | -40C to +85C (I grade) |
| Clock Duty-Cycle Stabilizer | — | Optional, on-chip |
| Reference Type | — | External or internal (per variant) |
| RoHS 状态 | — | Compliant (#PBF suffix) |