LTC2253 - LTC2253是12-Bit, 125Msps Low Power 3V ADCs
LTC2253是Linear公司的一款高速 ADC产品，LTC2253是12-Bit, 125Msps Low Power 3V ADCs，本站介绍了LTC2253的封装应用图解、特点和优点、功能等，并给出了与LTC2253相关的凌力尔特元器件型号供参考。
LTC2253 - 12-Bit, 125Msps Low Power 3V ADCs
LTC2253 - 12-Bit, 125Msps Low Power 3V ADCs - Linear Technology（凌力尔特）
功能描述
The LTC2253/LTC2252 are 12-bit 125Msps/105Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2253/LTC2252 are perfect for demanding imaging and communications applications with AC performance that includes 70.1dB SNR and 85dB SFDR for signals at the Nyquist frequency.
DC specs include ±0.3LSB INL (typ), ±0.15LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 0.32LSBRMS.
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 70.2dB SNR 88dB 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 Family125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit)105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit)80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit)65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit)40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit)25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit)10Msps: LTC2225 (12-Bit), LTC2245 (14-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) |
| LTC2253CUH | 5x5 QFN-32 | C | $39.29 | $27.50 |
| LTC2253CUH#PBF | 5x5 QFN-32 | C | $39.29 | $27.50 |
| LTC2253CUH#TR | 5x5 QFN-32 | C | | $27.60 |
| LTC2253CUH#TRPBF | 5x5 QFN-32 | C | | $27.60 |
| LTC2253IUH | 5x5 QFN-32 | I | $47.14 | $33.00 |
| LTC2253IUH#PBF | 5x5 QFN-32 | I | $47.14 | $33.00 |
| LTC2253IUH#TR | 5x5 QFN-32 | I | | $33.10 |
| LTC2253IUH#TRPBF | 5x5 QFN-32 | I | | $33.10 |
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