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參數(shù)資料
| 型號(hào)： | AD5724AREZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 22/32頁(yè) |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT DSP/SRL 24TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 設(shè)計(jì)資源： | Software Configurable 12-Bit Quad Channel Unipolar/Bipolar Voltage Output Using AD5724 (CN0088) |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 設(shè)置時(shí)間： | 10µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 4 |
| 電壓電源： | 模擬和數(shù)字，雙 ± |
| 功率耗散（最大）： | 310mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm）裸露焊盤(pán) |
| 供應(yīng)商設(shè)備封裝： | 24-TSSOP 裸露焊盤(pán) |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 4 電壓，單極；4 電壓，雙極 |
| 采樣率（每秒）： | 100k |
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AD5724/AD5734/AD5754
Rev. D | Page 29 of 32
Reference output voltage noise needs to be considered in
high accuracy applications that have relatively low noise
budgets. It is important to choose a reference with as low
an output noise voltage as practical for the required system
resolution. Precision voltage references such as the ADR431
(XFET design) produce low output noise in the 0.1 Hz to
10 Hz range. However, as the circuit bandwidth increases,
filtering the output of the reference may be required to
minimize the output noise.
MICROPROCESSOR INTERFACING
Microprocessor interfacing to the AD5724/AD5734/AD5754 is
via a serial bus that uses standard protocol compatible with
microcontrollers and DSP processors. The communications
channel is a 3-wire (minimum) interface consisting of a clock
signal, a data signal, and a synchronization signal. The AD5724/
AD5734/AD5754 require a 24-bit data-word with data valid on
the falling edge of SCLK.
For all interfaces, the DAC output update can be initiated
automatically when all the data is clocked in, or it can be
performed under the control of LDAC. The contents of the
registers can be read using the readback function.
AD5724/AD5734/AD5754 to Blackfin DSP Interface
Figure 44 shows how the AD5724/AD5734/AD5754 can be inter-
faced to the Analog Devices Blackfin DSP. The Blackfin has an
integrated SPI port that can be connected directly to the SPI pins
of the AD5724/AD5734/AD5754 and the programmable I/O pins
that can be used to set the state of a digital input such as the
LDAC pin.
SYNC
ADSP-BF531
AD5724/
AD5734/
AD5754
SCLK
SDIN
SPISELx
SCK
MOSI
LDAC
PF10
06
46
8-
01
2
Figure 44. AD5724/AD5734/AD5754 to Blackfin Interface
Table 28. Some Precision References Recommended for Use with the AD5724/AD5734/AD5754
Part No.
Initial Accuracy (mV max)
Long-Term Drift (ppm typ)
Temp Drift (ppm/°C max)
0.1 Hz to 10 Hz Noise (μV p-p typ)
40
3
3.5
±1
50
3
1.75
±2.5
50
3
6
±2
50
8
±1
20
3
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD5724R | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete, Quad, 12-/14-/16-Bit, Serial Input, Unipolar/Bipolar Voltage Output DACs |
| AD5724RBREL | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete, Quad, 12-/14-/16-Bit, Serial Input, Unipolar/Bipolar Voltage Output DACs |
| AD5724RBREZ | 功能描述:IC DAC 12BIT DSP/SRL 24TSSOP 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:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 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）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁(yè)面:1398 (CN2011-ZH PDF) |
| AD5724RBREZ-REEL7 | 功能描述:IC DAC 12BIT DSP/SRL 24TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:47 系列:- 設(shè)置時(shí)間:2µs 位數(shù):14 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)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(yīng)商設(shè)備封裝:28-SSOP 包裝:管件 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD5724REZ | 制造商:Analog Devices 功能描述:- Rail/Tube |
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