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參數資料
| 型號： | AD5313BRUZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 11/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 10BIT DUAL R-R 16-TSSOP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1,000 |
| 設置時間： | 7µs |
| 位數： | 10 |
| 數據接口： | 串行 |
| 轉換器數目： | 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） |
| 供應商設備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 采樣率（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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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD5313R | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual, 10-Bit nanoDAC with 2 ppm/C Reference, SPI Interface |
| AD5313RBCPZ-RL7 | 功能描述:數模轉換器- DAC 10-Bit 2-CHSPI on-chip ref RoHS:否 制造商:Analog Devices 轉換器數量:4 DAC 輸出端數量:4 轉換速率: 分辨率:12 bit 接口類型:Serial (I2C) 穩(wěn)定時間: 最大工作溫度:+ 105 C 安裝風格: 封裝 / 箱體:TSSOP 封裝:Reel |
| AD5313RBRUZ | 功能描述:數模轉換器- DAC 10-Bit 2-ch SPI nanoDAC+with on-chip ref RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| AD5313RBRUZ-RL7 | 功能描述:數模轉換器- DAC 10-Bit 2-CHSPI on-chip ref RoHS:否 制造商:Analog Devices 轉換器數量:4 DAC 輸出端數量:4 轉換速率: 分辨率:12 bit 接口類型:Serial (I2C) 穩(wěn)定時間: 最大工作溫度:+ 105 C 安裝風格: 封裝 / 箱體:TSSOP 封裝:Reel |
| AD5313WBRUZ-REEL7 | 功能描述:IC DAC 10BIT DUAL R-R 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色產品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 標準包裝:91 系列:- 設置時間:4µs 位數:10 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:8 電壓電源:單電源 功率耗散（最大）:2.7mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-DFN-EP（4x3） 包裝:管件 輸出數目和類型:8 電壓，單極 采樣率（每秒）:* |
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