LTC1405 - LTC1405是12-Bit, 5Msps, Sampling ADC
LTC1405是Linear公司的一款高速 ADC产品，LTC1405是12-Bit, 5Msps, Sampling ADC，本站介绍了LTC1405的封装应用图解、特点和优点、功能等，并给出了与LTC1405相关的凌力尔特元器件型号供参考。
LTC1405 - 12-Bit, 5Msps, Sampling ADC
LTC1405 - 12-Bit, 5Msps, Sampling ADC - Linear Technology（凌力尔特）
功能描述
The LTC1405 is a 5Msps, 12-bit sampling A/D converter that draws only 115mW from either single 5V or dual ±5V supplies. This easy-to-use device includes a high dynamic range sample-and-hold, a precision reference and a PGA input circuit.
The LTC1405 has a flexible input circuit that allows full-scale input ranges of ±2.048V, ±1.024V and ±0.512V. The input common mode range is rail-to-rail and a common mode bias voltage is provided for single supply applications. The input PGA has a digitally selectable 1x or 2x gain.
Maximum DC specs include ±1LSB INL and ±1LSB DNL over temperature. Outstanding AC performance includes 71.3dB S/(N + D) and 85dB SFDR at the Nyquist input frequency of 2.5MHz.
The unique differential input sample-and-hold can acquire single-ended or differential input signals up to its 100MHz bandwidth. The 75dB common mode rejection allows users to eliminate ground loops and common mode noise by measuring signals differentially from the source. A separate output logic supply allows direct connection to 3V components.
特点
5Msps Sample Rate Low Power Dissipation: 115mW Single 5V Supply or ±5V Supplies 71.3dB S/(N + D) and 85dB SFDR at Nyquist 100MHz Full-Power Bandwidth Sampling Input PGA Integral Nonlinearity Error <0.35LSB Differential Nonlinearity <0.25LSB ±2.048V, ±1.024V and ±0.512V Bipolar Input Range Out-of-Range Indicator True Differential Inputs with 75dB CMRR Pin-Compatible 10Msps Version (LTC1420) 28-Pin Narrow SSOP Package应用
Telecommunications Digital Signal Processing Multiplexed Data Acquisition Systems High Speed Data Acquisition Spectral Analysis Imaging Systems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) |
| LTC1405CGN | SSOP-28 | C | $8.50 | $5.95 |
| LTC1405CGN#PBF | SSOP-28 | C | $8.50 | $5.95 |
| LTC1405CGN#TR | SSOP-28 | C | | $6.01 |
| LTC1405CGN#TRPBF | SSOP-28 | C | | $6.01 |
| LTC1405IGN | SSOP-28 | I | $9.29 | $6.50 |
| LTC1405IGN#PBF | SSOP-28 | I | $9.29 | $6.50 |
| LTC1405IGN#TR | SSOP-28 | I | | $6.56 |
| LTC1405IGN#TRPBF | SSOP-28 | I | | $6.56 |
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