LTC2655BCGN-H16PBF

LTC2655BCGN-H16PBF

  • 厂商:

    LINER

  • 封装:

  • 描述:

    LTC2655BCGN-H16PBF - Quad I²C 16-/12-Bit Rail-to-Rail DACs with 10ppm/°C Max Reference - Linear Tech...

  • 详情介绍
  • 数据手册
  • 价格&库存
LTC2655BCGN-H16PBF 数据手册
FEATURES n n n n n n n n n n LTC2655 Quad I2C 16-/12-Bit Rail-to-Rail DACs with 10ppm/°C Max Reference DESCRIPTION The LTC®2655 is a family of Quad I2C 16-/12-Bit Rail-toRail DACs with integrated 10ppm/°C max reference. The DACs have built-in high performance, rail-to-rail, output buffers and are guaranteed monotonic. The LTC2655-L has a full-scale output of 2.5V with the integrated reference and operates from a single 2.7V to 5.5V supply. The LTC2655-H has a full-scale output of 4.096V with the integrated reference and operates from a 4.5V to 5.5V supply. Each DAC can also operate with an external reference, which sets the full-scale output to 2 times the external reference voltage. The parts use the 2-wire I2C compatible serial interface. The LTC2655 operates in both the standard mode (maximum clock rate of 100kHz) and the fast mode (maximum clock rate of 400kHz). The LTC2655 incorporates a power-on reset circuit that is controlled by the PORSEL pin. If PORSEL is tied to GND the DACs power-on reset to zero-scale. If PORSEL is tied to VCC, the DACs power-on reset to mid-scale. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5396245, 6891433 and 7671770. Integrated Reference 10ppm/°C Max Maximum INL Error: ±4LSB at 16 Bits Guaranteed Monotonic Over Temperature Selectable Internal or External Reference 2.7V to 5.5V Supply Range (LTC2655-L) Integrated Reference Buffers Ultralow Crosstalk Between DACs (
LTC2655BCGN-H16PBF
1. 物料型号: - LTC2655:四通道I2C 16/12位轨到轨DAC,内置10ppm/°C最大参考电压。

2. 器件简介: - LTC2655是一款带有集成参考的四通道I2C 16/12位轨到轨数模转换器(DAC)。它具备高性能的轨到轨输出缓冲器,并且保证单调性。有LTC2655-L和LTC2655-H两个版本,分别提供2.5V和4.096V的满量程输出,并支持2.7V至5.5V的电源范围。每个DAC也可以使用外部参考,将满量程输出设置为外部参考电压的两倍。

3. 引脚分配: - REFLO(Pin 1/Pin 20):参考低电平,应连接到GND。 - VOUTA到VOUTD(Pins 2,4,13,14/Pins 1, 3, 13, 14):DAC模拟电压输出。 - REFCOMP(Pin 3/Pin 2):内部参考补偿,连接0.1μF电容到GND以获得低噪声和参考稳定性。 - REFIN/OUT(Pin 5/Pin 4):内部参考模式下作为内部参考输出,在外部参考模式下作为参考输入。 - LDAC(Pin 6/Pin 5):异步DAC更新。 - CA2、CA1、CA0(Pin 7/Pin 6、Pin 10/Pin 10、Pin 11/Pin 11):芯片地址位。 - SCL(Pin 8/Pin 7):串行时钟输入。 - SDA(Pin 9/Pin 9):串行数据双向。 - PORSEL(Pin 12/Pin 12):上电复位选择。 - VCC(Pin 15/Pin 18):供电电压输入。 - GND(Pin 16/Pin 19,Exposed Pad Pin 21):地。 - DNC(NA/Pins 8, 15, 16, 17):请勿连接这些引脚。

4. 参数特性: - 集成参考:10ppm/°C最大温度漂移。 - 电源范围:LTC2655-L(2.7V至5.5V),LTC2655-H(4.5V至5.5V)。 - 输出缓冲器:轨到轨输出,保证负载调节。 - I2C接口:支持标准模式(最大时钟频率100kHz)和快速模式(最大时钟频率400kHz)。

5. 功能详解: - LTC2655支持电源上电复位到零刻度或中刻度。 - 支持内部和外部参考模式。 - 支持上电复位电路,减少上电时的抖动。 - 支持异步更新和电源管理模式,以降低功耗。

6. 应用信息: - 移动通信、过程控制、工业自动化、仪器、自动测试设备、汽车等领域。

7. 封装信息: - 20引脚4mm×4mm QFN封装和16引脚窄体SSOP封装。
LTC2655BCGN-H16PBF 价格&库存

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