LTC1854 - LTC1854是8-Channel, ±10V Input 12-Bit, 100ksps ADC Converter with Shutdown
LTC1854是Linear公司的一款通用型 SAR ADC产品，LTC1854是8-Channel, ±10V Input 12-Bit, 100ksps ADC Converter with Shutdown，本站介绍了LTC1854的封装应用图解、特点和优点、功能等，并给出了与LTC1854相关的凌力尔特元器件型号供参考。
LTC1854 - 8-Channel, ±10V Input 12-Bit, 100ksps ADC Converter with Shutdown
LTC1854 - 8-Channel, ±10V Input 12-Bit, 100ksps ADC Converter with Shutdown - Linear Technology（凌力尔特）
功能描述
The LTC1854/LTC1855 are 8-channel, low power, 12-/14-bit, 100ksps, analog-to-digital converters (ADCs). These ADCs operate from a single 5V supply and the 8-channel multiplexer can be programmed for singleended inputs or pairs of differential inputs or combinations of both. In addition, all channels are fault protected to ±30V. A fault condition on any channel will not affect the conversion result of the selected channel.
An onboard precision reference minimize external components. The low 40mW power dissipation is made even more attractive with two user selectable power shutdown modes. DC specifications include, ±1.5LSB INL for the LTC1855 and ±1LSB for the LTC1854.
The internal clock is trimmed for 5µs maximum conversion time and the sampling rate is guaranteed at 100ksps. A separate convert start input and data ready signal (BUSY) ease connections to FIFOs, DSPs and microprocessors.
特点
Single 5V Supply Sample Rate: 100ksps 8-Channel Multiplexer with ±30V Protection ±10V Bipolar Input RangeSingle Ended or Differential ±1.5LSB INL for the LTC1855, ±1LSB INL for the LTC1854 No Missing Codes Over Temperature Power Dissipation: 40mW (Typ) SPI/MICROWIRETM Compatible Serial I/O Power Shutdown: Nap and Sleep SINAD: 83dB (Typ) for the LTC1855 Operates with Internal or External Reference Internal Synchronized Clock Available in a 28-Pin SSOP Package应用
Industrial Process Control Multiplexed Data Acquisition Systems High Speed Data Acquisition for PCs Digital Signal Processing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) |
| LTC1854CG | SSOP-28 | C | $8.20 | $5.60 |
| LTC1854CG#PBF | SSOP-28 | C | $8.20 | $5.60 |
| LTC1854CG#TR | SSOP-28 | C | | $5.66 |
| LTC1854CG#TRPBF | SSOP-28 | C | | $5.66 |
| LTC1854IG | SSOP-28 | I | $9.84 | $6.72 |
| LTC1854IG#PBF | SSOP-28 | I | $9.84 | $6.72 |
| LTC1854IG#TR | SSOP-28 | I | | $6.78 |
| LTC1854IG#TRPBF | SSOP-28 | I | | $6.78 |
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