ZHCSH64D
June 2017 – August 2018
DAC60508
,
DAC70508
,
DAC80508
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化方框图
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Digital-to-Analog Converter (DAC) Architecture
8.3.1.1
DAC Transfer Function
8.3.1.2
Output Amplifiers
8.3.1.3
DAC Register Structure
8.3.1.3.1
DAC Register Synchronous and Asynchronous Updates
8.3.1.3.2
Broadcast DAC Register
8.3.1.3.3
CLEAR Operation (DACx0508C only)
8.3.2
Internal Reference
8.3.2.1
Reference Divider
8.3.2.2
Solder Heat Reflow
8.3.3
Device Reset Options
8.3.3.1
Power-on-Reset (POR)
8.3.3.2
Software Reset
8.4
Device Functional Modes
8.4.1
Stand-Alone Operation
8.4.2
Daisy-Chain Operation
8.4.3
Frame Error Checking
8.4.4
Power-Down Mode
8.5
Programming
8.6
Register Map
8.6.1
NOP Register (address = 0x00) [reset = 0x0000]
Table 9.
NOP Register Field Descriptions
8.6.2
DEVICE ID Register (address = 0x01) [reset = 0x---]
Table 10.
DEVICE ID Field Descriptions
8.6.3
SYNC Register (address = 0x2) [reset = 0xFF00]
Table 11.
SYNC Register Field Descriptions
8.6.4
CONFIG Register (address = 0x3) [reset = 0x0000]
Table 12.
CONFIG Register Field Descriptions
8.6.5
GAIN Register (address = 0x04) [reset = 0x---]
Table 13.
GAIN Register Field Descriptions
8.6.6
TRIGGER Register (address = 0x05) [reset = 0x0000]
Table 14.
TRIGGER Register Field Descriptions
8.6.7
BRDCAST Register (address = 0x6) [reset = 0x0000]
Table 15.
BRDCAST Register Field Descriptions
8.6.8
STATUS Register (address = 0x7) [reset = 0x0000]
Table 16.
STATUS Register Field Descriptions
8.6.9
DACx Register (address = 0x8 to 0xF) [reset = 0x0000 or 0x8000]
Table 17.
DACx Register Field Descriptions
9
Application and Implementation
9.1
Application Information
9.1.1
Interfacing to Microcontroller
9.1.2
Programmable Current Source Circuit
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
器件和文档支持
12.1
相关链接
12.2
接收文档更新通知
12.3
社区资源
12.4
商标
12.5
静电放电警告
12.6
术语表
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RTE|16
MPQF149D
YZF|16
MXBG344
散热焊盘机械数据 (封装 | 引脚)
RTE|16
QFND298F
订购信息
zhcsh64d_oa
zhcsh64d_pm
1
特性
性能
INL:±1LSB,16 位分辨率时最高
TUE:FSR 最大值为 ±0.1%
集成 2.5V 精密内部基准电压
初始精度:±5mV(最大值)
低温漂:2ppm/°C(典型值),DAC80508
高驱动能力:20mA,0.5V 电源轨
灵活的输出配置
用户可选增益:2、1 或 ½
复位至零标度或中标度
清除输出函数:DACx0508C
宽运行范围:
电源电压:2.7V 至 5.5V
温度范围:–40˚C 至 125˚C
50MHz SPI 兼容型串行接口
1.7V 至 5.5V 运行
菊链运行方式
CRC 误差校验
低功耗:0.6mA/通道 (5.5V)
小型封装:
3mm × 3mm,16 引脚 WQFN
2.4mm x 2.4mm,16 引脚 DSBGA
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