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参数资料
| 型号： | DAC8551IADGKRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO8 |
| 封装： | GREEN, PLASTIC, MSOP-8 |
| 文件页数： | 9/24页 |
| 文件大小： | 456K |
| 代理商： | DAC8551IADGKRG4 |
www.ti.com
POWER-DOWN MODES
V
OUT
Amplifier
Resistor
String
DAC
Power-Down
Circuitry
Resistor
Network
V
FB
SLAS429B – APRIL 2005 – REVISED OCTOBER 2006
power-down mode. There are three different options.
The output is connected internally to GND through a
The DAC8551 supports four separate modes of
1k
resistor, a 100k resistor, or it is left
operation. These modes are programmable by
open-circuited
(High-Z).
The
output
stage
is
setting two bits (PD1 and PD0) in the control
illustrated in Figure 49.
register. Table 1 shows how the state of the bits
corresponds to the mode of operation of the device.
Table 1. Operating Modes
PD1
PD0
(DB17)
(DB16)
OPERATING MODE
0
Normal operation
–
Power-down modes
0
1
Output typically 1k
to GND
1
0
Output typically 100k
to GND
1
High-Z
When both bits are set to '0', the device works
Figure 49. Output Stage During Power-Down
normally with its typical current consumption of
200
A at 5V. However, for the three power-down
All
analog
circuitry
is
shut
down
when
the
modes, the supply current falls to 200nA at 5V (50nA
power-down
mode
is
activated.
However,
the
at 3V). Not only does the supply current fall, but the
contents of the DAC register are unaffected when in
output stage is also internally switched from the
power-down. The time to exit power-down is typically
output of the amplifier to a resistor network of known
2.5
s for V
DD = 5V, and 5s for VDD = 3V. See the
values. This configuration has the advantage that the
Typical Characteristics for more information.
output impedance of the device is known while it is in
17
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| DAC8551IADGKT | 功能描述:数模转换器- DAC 16B Ultralow Glitch Vltg Output DAC 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 |
| DAC8551IADGKTG4 | 功能描述:数模转换器- DAC 16B Ultralow Glitch Vltg Output DAC 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 |
| DAC8551IDGK | 功能描述:数模转换器- DAC 16-Bit UltrLo 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 |
| DAC8551IDGKR | 功能描述:数模转换器- DAC 16-Bit UltrLo 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 |
| DAC8551IDGKRG4 | 功能描述:数模转换器- DAC 16-Bit UltrLo 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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