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参数资料
| 型号： | AD5313BRUZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/28页 |
| 文件大小： | 0K |
| 描述： | IC DAC 10BIT DUAL R-R 16-TSSOP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 2,500 |
| 设置时间： | 7µs |
| 位数： | 10 |
| 数据接口： | 串行 |
| 转换器数目： | 2 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 2.5mW |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电压，单极；2 电压，双极 |
| 采样率（每秒）： | 143k |
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AD5303/AD5313/AD5323
Rev. B | Page 19 of 28
POWER-DOWN MODES
The AD5303/AD5313/AD5323 have very low power consump-
tion, dissipating only 0.7 mW with a 3 V supply and 1.5 mW
with a 5 V supply. Power consumption can be further reduced
when the DACs are not in use by putting them into one of three
power-down modes, which are selected by Bit 13 and Bit 12
(PD1 and PD0) of the control word. Table 7 shows how the
state of the bits corresponds to the mode of operation of that
particular DAC.
Table 7. PD1/PD0 Operating Modes
PD1
PD0
Operating Mode
0
Normal operation
0
1
Power-down (1 kΩ load to GND)
1
0
Power-down (100 kΩ load to GND)
1
Power-down (high impedance output)
When both bits are set to 0, the DACs work normally with their
normal power consumption of 300 μA at 5 V. However, for the
three power-down modes, the supply current falls to 200 nA at
5 V (50 nA at 3 V) when both DACs are powered down. Not
only does the supply current drop, but the output stage is also
internally switched from the output of the amplifier to a resistor
network of known values. This has the advantage that the
output impedance of the part is known while the part is in
power-down mode and provides a defined input condition
for whatever is connected to the output of the DAC amplifier.
There are three different power-down options. The output is
connected internally to GND through either a 1 kΩ resistor or
a 100 kΩ resistor, or it is left in a high impedance state (three-
state). The output stage is illustrated in Figure 34.
The bias generator, the output amplifier, the resistor string, and
all other associated linear circuitry are shut down when the
power-down mode is activated. However, the contents of the
registers are unaffected when in power-down. The time to exit
power-down is typically 2.5 μs for VDD = 5 V and 5 μs when
The software power-down modes programmed by PD0 and
PD1 are overridden by the PD pin. Taking this pin low puts
both DACs into power-down mode simultaneously and both
outputs are put into a high impedance state. If PD is not used,
it should be tied high.
RESISTOR
STRING DAC
AMPLIFIER
VOUT
0
047
2-
03
4
POWER-DOWN
CIRCUITRY
RESISTOR
NETWORK
Figure 34. Output Stage During Power-Down
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| AD5313BRUZ-REEL7 | 功能描述:IC DAC 10BIT DUAL R-R 16-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色产品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 标准包装:91 系列:- 设置时间:4µs 位数:10 数据接口:MICROWIRE?，串行，SPI? 转换器数目:8 电压电源:单电源 功率耗散（最大）:2.7mW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-DFN-EP（4x3） 包装:管件 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD5313R | 制造商:AD 制造商全称:Analog Devices 功能描述:Dual, 10-Bit nanoDAC with 2 ppm/C Reference, SPI Interface |
| AD5313RBCPZ-RL7 | 功能描述:数模转换器- DAC 10-Bit 2-CHSPI on-chip ref RoHS:否 制造商:Analog Devices 转换器数量:4 DAC 输出端数量:4 转换速率: 分辨率:12 bit 接口类型:Serial (I2C) 稳定时间: 最大工作温度:+ 105 C 安装风格: 封装 / 箱体:TSSOP 封装:Reel |
| AD5313RBRUZ | 功能描述:数模转换器- DAC 10-Bit 2-ch SPI nanoDAC+with on-chip ref 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 |
| AD5313RBRUZ-RL7 | 功能描述:数模转换器- DAC 10-Bit 2-CHSPI on-chip ref RoHS:否 制造商:Analog Devices 转换器数量:4 DAC 输出端数量:4 转换速率: 分辨率:12 bit 接口类型:Serial (I2C) 稳定时间: 最大工作温度:+ 105 C 安装风格: 封装 / 箱体:TSSOP 封装:Reel |
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