参数资料
型号: AD7608BSTZ-RL
厂商: Analog Devices Inc
文件页数: 25/32页
文件大小: 0K
描述: IC DAS W/ADC 18BIT 8CH 64LQFP
标准包装: 1,500
类型: 数据采集系统(DAS),ADC
分辨率(位): 18 b
采样率(每秒): 200k
数据接口: DSP,MICROWIRE?,并联,QSPI?,串行,SPI?
电压电源: 模拟和数字
电源电压: 2.3 V ~ 5.25 V,4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 带卷 (TR)
Data Sheet
AD7608
Rev. A | Page 31 of 32
To ensure good device-to-device performance matching, in a
system that contains multiple AD7608 devices, a symmetrical
layout between the AD7608 devices is important.
Figure 61 shows a layout with two devices. The AVCC supply
plane runs to the right of both devices. The VDRIVE supply
track runs to the left of the two devices. The reference chip
is positioned between both the two devices and the reference
voltage track runs north to Pin 42 of U1 and south to Pin 42
to U2. A solid ground plane is used.
These symmetrical layout principles can be applied to a system
that contains more than two AD7608 devices. The AD7608
devices can be placed in a north-south direction with the reference
voltage located midway between the AD7608 devices with the
reference track running in the north-south direction similar to
AVCC
U2
U1
U2
U1
08938-
053
Figure 61. Layout for Multiple AD7608 Devices—Top Layer and
Supply Plane Layer
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