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參數(shù)資料
| 型號： | AD5313ARUZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 11/28頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 10BIT DUAL R-R 16-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 設(shè)置時間： | 7µs |
| 位數(shù)： | 10 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 2.5mW |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 采樣率（每秒）： | 143k |
| 產(chǎn)品目錄頁面： | 782 (CN2011-ZH PDF) |
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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
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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| AD5313ARUZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.5 V to 5.5 V, 230 ??A, Dual Rail-to-Rail Voltage Output 8-/10-/12-Bit DACs |
| AD5313ARUZ-REEL7 | 功能描述:IC DAC 10BIT DUAL R-R 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Data Converter Fundamentals DAC Architectures 設(shè)計資源:Unipolar, Precision DC Digital-to-Analog Conversion using AD5450/1/2/3 8-14-Bit DACs (CN0052) Precision, Bipolar, Configuration for AD5450/1/2/3 8-14bit Multiplying DACs (CN0053) AC Signal Processing Using AD5450/1/2/3 Current Output DACs (CN0054) Programmable Gain Element Using AD5450/1/2/3 Current Output DAC Family (CN0055) Single Supply Low Noise LED Current Source Driver Using a Current Output DAC in the Reverse Mode (CN0139) 標(biāo)準(zhǔn)包裝:10,000 系列:- 設(shè)置時間:- 位數(shù):12 數(shù)據(jù)接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 薄型，TSOT-23-8 供應(yīng)商設(shè)備封裝:TSOT-23-8 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:2.7M |
| AD5313BRU | 制造商:Analog Devices 功能描述:DAC 2-CH Resistor-String 10-bit 16-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述: |
| AD5313BRU-REEL | 制造商:Analog Devices 功能描述:DAC 2-CH Resistor-String 10-bit 16-Pin TSSOP T/R 制造商:Rochester Electronics LLC 功能描述:DUAL 10-BIT VOLTAGE OUT DAC I.C. - Tape and Reel |
| AD5313BRU-REEL7 | 制造商:Analog Devices 功能描述:DAC 2-CH Resistor-String 10-bit 16-Pin TSSOP T/R 制造商:Rochester Electronics LLC 功能描述:DUAL 10-BIT VOLTAGE OUT DAC I.C. - Tape and Reel |
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