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器件3D模型￥ 218.897
AD9780BCPZ 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
DA转换器
封装:
LFCSP-72
描述:
ANALOG DEVICES AD9780BCPZ 数模转换器, 双路, 12 bit, 并行、串行, 3.13V 至 3.47V, LFCSP, 72 引脚
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符号图
焊盘图
引脚图
产品图
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引脚图在P7P8P9P20P24P31Hot
典型应用电路图在P29
原理图在P1P25
封装尺寸在P31
型号编码规则在P31
功能描述在P1P7P8P9P31
技术参数、封装参数在P1P3P4P5P6
应用领域在P1
电气规格在P10
导航目录
AD9780BCPZ数据手册
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of 32 Go
若手册格式错乱，请下载阅览PDF原文件
AD9780/AD9781/AD9783 Data Sheet
Rev. B | Page 24 of 32
SPI PORT, RESET, AND PIN MODE
In general, when the AD9780/AD9781/AD9783 are powered
up, an active high pulse applied to the RESET pin should follow.
This ensures the default state of all control register bits. In
addition, once the RESET pin goes low, the SPI port can be
activated; thus, CSB should be held high.
For applications without a controller, the AD9780/AD9781/
AD9783 also supports pin mode operation, which allows some
functional options to be pin selected without the use of the SPI
port. Pin mode is enabled anytime the RESET pin is held high.
In pin mode, the four SPI port pins take on secondary
functions, as shown in Table 13.
Table 13. SPI Pin Functions (Pin Mode)
Pin
Name Pin Mode Function
SDIO DATA (Register 0x02, Bit 7), bit value (1/0) equals pin
state (high/low).
CSB Enable mix mode. If CSB is high, Register 0x0A is set
to 0x05, putting both DAC1 and DAC2 into mix mode.
SDO Enable full power-down. If SDO is high, Register 0x03
is set to 0xFF.
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