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參數資料
| 型號： | AD7677AST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 16-Bit, 1 LSB INL, 1 MSPS Differential ADC |
| 中文描述： | 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48 |
| 封裝： | LQFP-48 |
| 文件頁數： | 16/20頁 |
| 文件大小： | 322K |
| 代理商： | AD7677AST |
REV. 0
AD7677
–16–
CS
RD
BYTE
PINS D[15:8]
PINS D[7:0]
HI-Z
HI-Z
HIGH BYTE
LOW BYTE
LOW BYTE
HIGH BYTE
HI-Z
HI-Z
t
12
t
12
t
13
Figure 16. 8-Bit Parallel Interface
SERIAL INTERFACE
The AD7677 is configured to use the serial interface when the
SER/PAR is held high. The AD7677 outputs 16 bits of data,
MSB first, on the SDOUT pin. This data is synchronized with
the 16 clock pulses provided on the SCLK pin.
MASTER SERIAL INTERFACE
Internal Clock
The AD7677 is configured to generate and provide the serial
data clock SCLK when the EXT/
INT
pin is held low. The AD7677
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. The output data is valid on both the
t
3
BUSY
CS
,
RD
CNVST
SYNC
SCLK
SDOUT
1
2
3
14
15
16
D15
D14
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
Figure 17. Master Serial Data Timing for Reading (Read After Convert)
RDC/SDIN = 1
INVSCLK = INVSYNC = 0
D15
D14
D2
D1
D0
X
1
2
3
14
15
16
t
18
BUSY
SYNC
SCLK
SDOUT
CS
,
RD
CNVST
t
3
t
1
t
17
t
14
t
15
t
19
t
20
t
21
t
16
t
22
t
23
t
24
t
27
t
26
t
25
EXT/
INT
= 0
Figure 18. Master Serial Data Timing for Reading (Read Previous Conversion During Convert)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7677ASTRL | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 16-bit Parallel/Serial 48-Pin LQFP T/R |
| AD7677ASTZ | 功能描述:IC ADC 16BIT 1MSPS DIFF 48-LQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數目和類型:8 個單端，單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7677ASTZ | 制造商:Analog Devices 功能描述:IC 16-BIT ADC |
| AD7677ASTZRL | 功能描述:IC ADC 16BIT 1MSPS DIFF 48-LQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目: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） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD7678 | 制造商:AD 制造商全稱:Analog Devices 功能描述:18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
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