LTC2636CMS-LZ12

厂商：
LINER
封装：
描述：
LTC2636CMS-LZ12 - Octal 12-/10-/8-Bit SPI VOUT DACs with10ppm/°C Reference - Linear Technology

数据手册：

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LTC2636CMS-LZ12 数据手册

FEATURES n n n n n n n n n n n LTC2636 Octal 12-/10-/8-Bit SPI VOUT DACs with10ppm/°C Reference DESCRIPTION The LTC®2636 is a family of octal 12-, 10-, and 8-bit voltage-output DACs with an integrated, high-accuracy, low-drift 10ppm/°C reference in 14-lead DFN and 16-lead MSOP packages. It has a rail-to-rail output buffer and is guaranteed monotonic. The LTC2636-L has a full-scale output of 2.5V, and operates from a single 2.7V to 5.5V supply. The LTC2636-H has a full-scale output of 4.096V, and operates from a 4.5V to 5.5V supply. Each DAC can also operate with an external reference, which sets the DAC full-scale output to the external reference voltage. These DACs communicate via an SPI/MICROWIRE™-compatible 3-wire serial interface which operates at clock rates up to 50MHz. Hardware clear (CLR) and asynchronous DAC update (LDAC) pins are available in the MSOP package. The LTC2636 incorporates a power-on reset circuit. Options are available for reset to zero-scale or reset to mid-scale in internal reference mode, or reset to mid-scale in external reference mode after power-up. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. SPI/MICROWIRE is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5396245, 5859606, 6891433, 6937178, 7414561. Integrated Precision Reference 2.5V Full-Scale 10ppm/°C (LTC2636-L) 4.096V Full-Scale 10ppm/°C (LTC2636-H) Maximum INL Error: 2.5LSB (LTC2636-12) Low Noise: 0.75mVP-P 0.1Hz to 200KHz Guaranteed Monotonic Over –40°C to 125°C Temperature Range Selectable Internal or External Reference 2.7V to 5.5V Supply Range (LTC2636-L) Ultralow Crosstalk Between DACs (

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LTC2636CMS-LZ12

### 物料型号 - LTC2636-LMI12 - LTC2636-LMI10 - LTC2636-LMI8 - LTC2636-LMX12 - LTC2636-LMX10 - LTC2636-LMX8 - LTC2636-LZ12 - LTC2636-LZ10 - LTC2636-LZ8 - LTC2636-HMI12 - LTC2636-HMI10 - LTC2636-HMX12 - LTC2636-HMX10 - LTC2636-HZ12

### 器件简介 LTC2636是一款八通道12位、10位和8位的电压输出数字模拟转换器(DAC)，集成了高精度、低漂移的10ppm/°C参考电压源。它采用14引脚DFN和16引脚MSOP封装，具有轨到轨输出缓冲器，并保证单调性。

### 引脚分配 - VCC (Pin 1/1)：供电电压输入。 - GND (Pin 14/16)：地。 - LDAC (Pin 6, MSOP only)：异步DAC更新引脚。 - VOUT A到VOUT H (Pins 2-5, 10-13/2-5, 12-15)：DAC模拟电压输出。 - CS/LD (Pin 6/7)：串行接口芯片选择/加载输入。 - SCK (Pin 7/8)：串行接口时钟输入。 - CLR (Pin 10, MSOP only)：异步清除输入。 - SDI (Pin 8/9)：串行接口数据输入。 - Exposed Pad (Pin 15, DFN Only)：地。必须焊接到PCB地。

### 参数特性 - 集成精密参考电压。 - 2.5V全量程（LTC2636-L）或4.096V全量程（LTC2636-H）。 - 最大INL误差：2.5LSB (LTC2636-12)。 - 低噪声：0.75mVP-P (0.1Hz至200kHz)。 - 保证在-40°C至125°C温度范围内单调性。 - 可选择内部或外部参考源。 - 超低串扰：小于2.4nV·s。 - 低功耗：3V时0.9mA (LTC2636-L)。

### 功能详解 LTC2636具有SPI/MICROWIRE兼容的3线串行接口，支持高达50MHz的时钟速率。MSOP封装提供硬件清除(CLR)和异步DAC更新(LDAC)引脚。LTC2636包含上电复位电路，提供内部参考模式下的零刻度或中刻度复位选项，或在外部参考模式下复位到中刻度。

### 应用信息 - 移动通信 - 过程控制和工业自动化 - 自动测试设备 - 便携设备 - 汽车 - 光网络

### 封装信息 - 14引脚(4mm × 3mm)塑料DFN - 16引脚(4mm × 5mm)塑料MSOP

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