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參數(shù)資料
| 型號： | AD7679ACP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
| 中文描述： | 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48 |
| 封裝： | MO-220-VKKD-2, LFCSP-48 |
| 文件頁數(shù)： | 21/28頁 |
| 文件大小： | 1186K |
| 代理商： | AD7679ACP |
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AD7679
MASTER SERIAL INTERFACE
Internal Clock
The AD7679 is configured to generate and provide the serial
data clock SCLK when the EXT/INT pin is held low. The
AD7679 also generates a SYNC signal to indicate to the host
when the serial data is valid. The serial clock SCLK and the
SYNC signal can be inverted if desired. Depending on the
RDC/SDIN input, the data can be read after each conversion or
during the following conversion. Figure 38 and Figure 39 show
the detailed timing diagrams of these two modes.
In Read during Conversion mode, the serial clock and data
toggle at appropriate instants, minimizing potential feedthrough
between digital activity and critical conversion decisions.
In Read after Conversion mode, it should be noted that unlike
in other modes, the BUSY signal returns low after the 18 data
bits are pulsed out and not at the end of the conversion phase,
which results in a longer BUSY width.
To accommodate slow digital hosts, the serial clock can be
slowed down by using DIVSCLK.
Usually, because the AD7679 is used with a fast throughput, the
mode master read during conversion is the most recommended
serial mode.
t
3
BUSY
CS, RD
CNVST
SYNC
SCLK
SDOUT
1
2
3
16
17
18
D17
D16
D2
D1
D0
X
EXT/INT = 0
RDC/SDIN = 0
INVSCLK = INVSYNC = 0
t
14
t
20
t
15
t
16
t
22
t
23
t
29
t
28
t
18
t
19
t
21
t
30
t
25
t
24
t
26
t
27
03085-0-040
Figure 38. Master Serial Data Timing for Reading (Read after Convert)
Rev. 0 | Page 21 of 28
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7679ACPRL | 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
| AD7679AST | 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
| AD7679ASTRL | 18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
| AD7675 | 16-Bit, 100 kSPS, Differential ADC |
| AD7675AST | 16-Bit, 100 kSPS, Differential ADC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7679ACPRL | 制造商:Analog Devices 功能描述:ADC Single SAR 570ksps 18-bit Parallel/Serial 48-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 570KSPS 18BIT PARALLEL/SERL 48LFCSP EP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:18-BIT,100KSPSSARADC - Tape and Reel |
| AD7679ACPZ | 功能描述:IC ADC 18BIT SAR W/BUFF 48LFCSP 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 |
| AD7679ACPZRL | 功能描述:IC ADC 18BIT SAR W/BUFF 48LFCSP 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 |
| AD7679AST | 制造商:Analog Devices 功能描述:ADC Single SAR 570ksps 18-bit Parallel/Serial 48-Pin LQFP 制造商:Analog Devices 功能描述:18BIT SAR ADC SMD 7679 LQFP48 |
| AD7679ASTRL | 制造商:Analog Devices 功能描述:ADC Single SAR 570ksps 18-bit Parallel/Serial 48-Pin LQFP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 570KSPS 18BIT PARALLEL/SERL 48LQFP - Tape and Reel |
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