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參數(shù)資料
| 型號： | AD7398BRUZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT QUAD SRL-IN 16TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 設(shè)置時間： | 6µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 4 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 16mW |
| 工作溫度： | -40°C ~ 125°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： | 4 電壓，單極 |
| 采樣率（每秒）： | 167k |
| 產(chǎn)品目錄頁面： | 784 (CN2011-ZH PDF) |
AD7398/AD7399
Rev. C | Page 17 of 24
Note that the 80C51/80L51 provide the LSB first, although the
AD7398/AD7399 expect the MSB of the 16-bit/14-bit word
first. Care should be taken to ensure the transmit routine takes
this into account. This can usually be done with software by
shifting out and accumulating the bits in the correct order
before inputting to the DAC. In addition, 80C51 outputs two
byte words/16 bits of data. Thus for AD7399, the first two bits,
after rearrangement, should be don’t care as they are dropped
from the 14-bit word of the AD7399.
When data is to be transmitted to the DAC, P3.3 is taken low.
Data on RxD is valid on the falling edge of TxD, so the clock
must be inverted as the DAC clocks data into the input shift
register on the rising edge of the serial clock. The 80C51/80L51
transmit their data in 8-bit bytes with only eight falling clock
edges occurring in the transmit cycle. As the AD7399 requires a
14-bit word, P3.3 (or any one of the other programmable bits) is the
CS input signal to the DAC; therefore P3.3 should be brought low
at the beginning of the 16-bit write cycle 2 × 8 bit-words, and held
low until the 16-bit 2 × 8 cycle is completed. After that, P3.3 is
brought high again and the new data loads to the DAC. Again, the
first two bits, after rearranging, should be don’t care. LDAC on the
AD7398/AD7399 can also be controlled by the 80C51/80L51 serial
port output by using another bit-programmable pin, P3.4.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7398BRUZ | 制造商:Analog Devices 功能描述:IC, DAC, 12BIT, 167KSPS, TSSOP-16 |
| AD7398BRUZ-REEL7 | 功能描述:IC DAC 12BIT QUAD SERIAL 16TSSOP 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）:* |
| AD7398BRZ | 功能描述:IC DAC 12BIT QUAD SRL 16-SOIC 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:1 系列:- 設(shè)置時間:4.5µs 位數(shù):12 數(shù)據(jù)接口: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:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| AD7398BRZ-REEL | 功能描述:IC DAC 12BIT QUAD SERIAL 16SOIC 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）:* |
| AD7398BRZ-REEL7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad, Serial-Input 12-Bit/10-Bit DACs |
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