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參數資料
| 型號： | AD5320BRTZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 5/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT R-R W/BUFF SOT23-6 |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1 |
| 設置時間： | 8µs |
| 位數： | 12 |
| 數據接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數目： | 1 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-23-6 |
| 包裝： | 標準包裝 |
| 輸出數目和類型： | 1 電壓，雙極 |
| 采樣率（每秒）： | 125k |
| 產品目錄頁面： | 782 (CN2011-ZH PDF) |
| 其它名稱： | AD5320BRTZ-REEL7DKR-ND AD5320BRTZREEL7DKR |
AD5320
Rev. C | Page 13 of 20
POWER-DOWN MODES
The AD5320 contains four separate modes of operation. These
modes are software-programmable by setting two bits (DB13
and DB12) in the control register. Table 5 shows how the state
of the bits corresponds to the mode of operation of the device.
Table 5. Modes of Operation for the AD5320
DB13
DB12
Operating Mode
0
Normal Operation
Power-Down Modes
0
1
1 kΩ to GND
1
0
100 kΩ to GND
1
Three-State
When both bits are set to 0, the part works with its normal power
consumption of 140 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). Not
only does the supply current fall, but the output stage is also inter-
nally switched from the output of the amplifier to a resistor net-
work of known values. This has the advantage that the output
impedance of the part is known while the part is in power-down
mode. There are three different options: the output is connected
internally to GND through a 1 kΩ resistor, the output is connected
internally to GND through a 100 kΩ resistor, or it is left open-
circuited (three-state). The output stage is illustrated in Figure 27.
RESISTOR
STRING DAC
RESISTOR
NETWORK
POWER-DOWN
CIRCUITRY
VOUT
00
93
4-
02
6
AMPLIFIER
Figure 27. Output Stage During Power-Down
The bias generator, output amplifier, resistor string, and other
associated linear circuitry are shut down when the power-down
mode is activated. However, the contents of the DAC register
are unaffected when in power-down. The time to exit power-
down is typically 2.5 μs for VDD = 5 V and 5 μs for VDD = 3 V
(see Figure 21).
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相關代理商/技術參數 |
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| AD5320BRTZ-REEL71 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.7 V to 5.5 V, 140 ??A, Rail-to-Rail Output 12-Bit DAC in an SOT-23 |
| AD5321 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.5 V to 5.5 V, 230uA, Parallel Interface Dual Voltage-Output 8-/10-/12-Bit DACs |
| AD5321BRM | 功能描述:IC DAC 12BIT 2.5V 2-WIRE 8-MSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯(lián) 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD5321BRM-REEL | 制造商:Analog Devices 功能描述:DAC 1-CH Resistor-String 12-bit 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:DAC 1CH RES-STRING 12-BIT 8MSOP - Tape and Reel |
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