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參數(shù)資料
| 型號(hào)： | AD7984BRMZ-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 18BIT 1.3MSPS SAR 10MSOP |
| 設(shè)計(jì)資源： | Converting a Single-Ended Signal with AD7984 Differential PulSAR ADC (CN0033) |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | PulSAR® |
| 位數(shù)： | 18 |
| 采樣率（每秒）： | 1.33M |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 14mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個(gè)差分，單極 |
AD7984
Rev. A | Page 16 of 24
DIGITAL INTERFACE
Although the AD7984 has a reduced number of pins, it offers
flexibility in its serial interface modes.
When in CS mode, the AD7984 is compatible with SPI, QSPI,
digital hosts, and DSPs. In this mode, the AD7984 can use
either a 3-wire or 4-wire interface. A 3-wire interface using the
CNV, SCK, and SDO signals minimizes wiring connections
useful, for instance, in isolated applications. A 4-wire interface
using the SDI, CNV, SCK, and SDO signals allows CNV, which
initiates the conversions, to be independent of the readback
timing (SDI). This is useful in low jitter sampling or
simultaneous sampling applications.
When in chain mode, the AD7984 provides a daisy-chain feature
using the SDI input for cascading multiple ADCs on a single
data line similar to a shift register.
The mode in which the part operates depends on the SDI level
when the CNV rising edge occurs. The CS mode is selected if
SDI is high, and the chain mode is selected if SDI is low. The
SDI hold time is such that when SDI and CNV are connected,
the chain mode is always selected.
In either mode, the AD7984 offers the option of forcing a start
bit in front of the data bits. This start bit can be used as a busy
signal indicator to interrupt the digital host and trigger the data
reading. Otherwise, without a busy indicator, the user must timeout
the maximum conversion time prior to readback.
The busy indicator feature is enabled
In CS mode if CNV or SDI is low when the ADC
conversion ends (see
and
).
In chain mode if SCK is high during the CNV rising edge
(see Figure 39).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7985 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP |
| AD7985BCPZ | 功能描述:IC ADC 16B 2.5MSPS PULSR 20LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個(gè)單端，單極；2 個(gè)差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AD7985BCPZ-RL7 | 功能描述:IC ADC 16B 2.5MSPS PULSR 20LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個(gè)單端，雙極 |
| AD7986 | 制造商:AD 制造商全稱:Analog Devices 功能描述:1 nV/√Hz, Low Power |
| AD7986BCPZ | 功能描述:IC ADC 18BIT 2MSPS SAR 20LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個(gè)單端，單極；2 個(gè)差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
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