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参数资料
| 型号： | DAC8564IBPWG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO16 |
| 封装： | GREEN, PLASTIC, TSSOP-16 |
| 文件页数： | 35/51页 |
| 文件大小： | 1549K |
| 代理商： | DAC8564IBPWG4 |
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SBAS403D
– JUNE 2007 – REVISED MAY 2011
LAYOUT
A precision analog component requires careful layout,
The power applied to VDD should be well-regulated
adequate bypassing, and clean, well-regulated power
and low noise. Switching power supplies and dc/dc
supplies.
converters often have high-frequency glitches or
spikes riding on the output voltage. In addition, digital
The DAC8564 offers single-supply operation, and is
components can create similar high-frequency spikes
often used in close proximity with digital logic,
as their internal logic switches states. This noise can
microcontrollers, microprocessors, and digital signal
easily couple into the DAC output voltage through
processors. The more digital logic present in the
various paths between the power connections and
design and the higher the switching speed, the more
analog output.
difficult it is to keep digital noise from appearing at
the output.
As
with
the
GND
connection,
VDD should be
connected to a power-supply plane or trace that is
As a result of the single ground pin of the DAC8564,
separate from the connection for digital logic until
all return currents (including digital and analog return
they are connected at the power-entry point. In
currents for the DAC) must flow through a single
addition, a 1
μF to 10μF capacitor and 0.1μF bypass
point. Ideally, GND would be connected directly to an
capacitor
are
strongly
recommended.
In
some
analog ground plane. This plane would be separate
situations, additional bypassing may be required,
from
the
ground
connection
for
the
digital
such as a 100
μF electrolytic capacitor or even a Pi
components
until
they
were
connected
at
the
filter made up of inductors and capacitors
—all
power-entry point of the system.
designed to essentially low-pass filter the supply and
remove the high-frequency noise.
40
Copyright
2007–2011, Texas Instruments Incorporated
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| DAC8564IBPWR | 功能描述:数模转换器- DAC 16B Quad Ch Ultra-Lo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC8564IBPWRG4 | 功能描述:数模转换器- DAC 16B vOut DAC quad chan Ultra Lo glitch RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC8564ICPW | 功能描述:数模转换器- DAC 16B Quad Ch Ultra-Lo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC8564ICPWG4 | 功能描述:数模转换器- DAC 16B vOut DAC quad chan Ultra Lo glitch RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC8564ICPWR | 功能描述:数模转换器- DAC 16B Quad Ch Ultra-Lo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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