LTC®2641 / LTC2642 是 16、14 和 12 位无缓冲电压输出 DAC 系列。这些 DAC 采用 2.7V 至 5.5V 单工作电源,并在整个温度范围内保证单调。LTC2641A-16 / LTC2642A-16 在整个温度范围内提供了 16 位性能 (±1LSB INL 和 ±1LSB DNL)。无缓冲 DAC 输出产生了 120μA 的低电源电流和 ±1LSB 的低偏移误差。 LTC2641 和 LTC2642 均具有一个 2V 至 VDD 的基准输入范围。VOUT 摆幅为 0V 至 VREF。对于双极操作,LTC2642 包括供一个外部精准运算放大器 (例如:LT1678) 之用的匹配调节电阻器,并在 RFB 上产生一个 ±VREF 输出摆幅。 LTC2641 / LTC2642 采用一个简单的 SPI / MICROWIRE 兼容型三线式串行接口,能够以高达 50MHz 的时钟速率来运行,并可直接与光耦合器相连,以适应那些需要隔离的应用。最初加电时,上电复位电路将 LTC2641 的 DAC 输出清至零标度,并把 LTC2642 的 DAC 输出清至中间标度。CLR 引脚上的一个逻辑低电平将把 DAC 异步清至零标度 (LTC2641) 或中间标度 (LTC2642)。这些 DAC 均具有商业和工业规格范围。
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) * |
---|---|---|---|---|
LTC2641ACDD-16#PBF | 3x3 DFN-8 | C | $11.79 | $8.25 |
LTC2641ACDD-16#TRPBF | 3x3 DFN-8 | C | $8.31 | |
LTC2641ACMS8-16#PBF | MS-8 | C | $11.79 | $8.25 |
LTC2641ACMS8-16#TRPBF | MS-8 | C | $8.31 | |
LTC2641AIDD-16#PBF | 3x3 DFN-8 | I | $14.14 | $9.90 |
LTC2641AIDD-16#TRPBF | 3x3 DFN-8 | I | $9.96 | |
LTC2641AIMS8-16#PBF | MS-8 | I | $14.14 | $9.90 |
LTC2641AIMS8-16#TRPBF | MS-8 | I | $9.96 | |
LTC2641CDD-12#PBF | 3x3 DFN-8 | C | $4.32 | $2.95 |
LTC2641CDD-12#TRPBF | 3x3 DFN-8 | C | $3.01 | |
LTC2641CDD-14#PBF | 3x3 DFN-8 | C | $7.94 | $5.42 |
LTC2641CDD-14#TRPBF | 3x3 DFN-8 | C | $5.48 | |
LTC2641CDD-16#PBF | 3x3 DFN-8 | C | $9.15 | $6.25 |
LTC2641CDD-16#TRPBF | 3x3 DFN-8 | C | $6.31 | |
LTC2641CMS8-12#PBF | MS-8 | C | $4.32 | $2.95 |
LTC2641CMS8-12#TRPBF | MS-8 | C | $3.01 | |
LTC2641CMS8-14#PBF | MS-8 | C | $7.94 | $5.42 |
LTC2641CMS8-14#TRPBF | MS-8 | C | $5.48 | |
LTC2641CMS8-16#PBF | MS-8 | C | $9.15 | $6.25 |
LTC2641CMS8-16#TRPBF | MS-8 | C | $6.31 | |
LTC2641IDD-12#PBF | 3x3 DFN-8 | I | $5.18 | $3.54 |
LTC2641IDD-12#TRPBF | 3x3 DFN-8 | I | $3.60 | |
LTC2641IDD-14#PBF | 3x3 DFN-8 | I | $9.52 | $6.50 |
LTC2641IDD-14#TRPBF | 3x3 DFN-8 | I | $6.56 | |
LTC2641IDD-16#PBF | 3x3 DFN-8 | I | $10.98 | $7.50 |
LTC2641IDD-16#TRPBF | 3x3 DFN-8 | I | $7.56 | |
LTC2641IMS8-12#PBF | MS-8 | I | $5.18 | $3.54 |
LTC2641IMS8-12#TRPBF | MS-8 | I | $3.60 | |
LTC2641IMS8-14#PBF | MS-8 | I | $9.52 | $6.50 |
LTC2641IMS8-14#TRPBF | MS-8 | I | $6.56 | |
LTC2641IMS8-16#PBF | MS-8 | I | $10.98 | $7.50 |
LTC2641IMS8-16#TRPBF | MS-8 | I | $7.56 |
器件型号 | 描述 | 价格 |
---|---|---|
DC1096B | LTC2642A-16 (LTC2641A-16) 16-bit +/-5V Unbuffered Vout DAC (req DC590B) | $75.00 |
器件型号 | 描述 | 价格 |
---|---|---|
DC2026C | Linduino One Isolated USB Demo Board: An Arduino- and QuikEval-Compatible Code Development Platform | $75.00 |
DC590B | Isolated USB Serial Controller for Linear Technology QuikEval-Compatible Demo Boards | $50.00 |