LTC2251 - LTC2251是10-Bit, 125Msps Low Noise 3V ADCs
LTC2251是Linear公司的一款高速 ADC产品，LTC2251是10-Bit, 125Msps Low Noise 3V ADCs，本站介绍了LTC2251的封装应用图解、特点和优点、功能等，并给出了与LTC2251相关的凌力尔特元器件型号供参考。
LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs
LTC2251 - 10-Bit, 125Msps Low Noise 3V ADCs - Linear Technology（凌力尔特）
功能描述
The LTC2251/LTC2250 are 10-bit 125Msps/105Msps, low noise 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2251/LTC2250 are perfect for demanding imaging and communications applications with AC performance that includes 61.6dB SNR and 85dB SFDR for signals at the Nyquist frequency.
DC specs include ±0.1LSB INL (typ), ±0.05LSB DNL (typ) and ±0.6LSB INL, ±0.6LSB DNL over temperature. The transition noise is a low 0.08LSBRMS.
A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.3V logic.
A single-ended CLK input controls converter operation. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.
特点
Sample Rate: 125Msps/105Msps Single 3V Supply (2.85V to 3.4V) Low Power: 395mW/320mW 61.6dB SNR 85dB SFDR No Missing Codes Flexible Input: 1VP-P to 2VP-P Range 640MHz Full Power Bandwidth S/H Clock Duty Cycle Stabilizer Shutdown and Nap Modes Pin Compatible Family:125Msps: LTC2251 (10-Bit), LTC2253 (12-Bit)105Msps: LTC2250 (10-Bit), LTC2252 (12-Bit)80Msps: LTC2239 (10-Bit), LTC2229 (12-Bit)65Msps: LTC2238 (10-Bit), LTC2228 (12-Bit)40Msps: LTC2237 (10-Bit), LTC2227 (12-Bit)25Msps: LTC2236 (10-Bit), LTC2226 (12-Bit) 32-Pin (5mm × 5mm) QFN Package 应用
Wireless and Wired Broadband Communication Imaging Systems Ultrasound Spectral Analysis Portable Instrumentation以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
| 器件型号 | 封装 | 温度 | 价格 (以 1 ~ 99 片为批量) | 价格 (以 1000 片为批量) |
| LTC2251CUH | 5x5 QFN-32 | C | $17.14 | $12.00 |
| LTC2251CUH#PBF | 5x5 QFN-32 | C | $17.14 | $12.00 |
| LTC2251CUH#TR | 5x5 QFN-32 | C | | $12.10 |
| LTC2251CUH#TRPBF | 5x5 QFN-32 | C | | $12.10 |
| LTC2251IUH | 5x5 QFN-32 | I | $20.57 | $14.40 |
| LTC2251IUH#PBF | 5x5 QFN-32 | I | $20.57 | $14.40 |
| LTC2251IUH#TR | 5x5 QFN-32 | I | | $14.50 |
| LTC2251IUH#TRPBF | 5x5 QFN-32 | I | | $14.50 |
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