參數(shù)資料
型號： EVAL-AD7623CBZ
廠商： Analog Devices Inc
文件頁數(shù)： 19/28頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD7623
標準包裝： 1
系列： PulSAR®
ADC 的數(shù)量： 1
位數(shù)： 16
采樣率（每秒）： 1.33M
數(shù)據(jù)接口： 串行，并聯(lián)
輸入范圍： ±VREF
在以下條件下的電源（標準）： 50mW @ 1.33MSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： AD7623
已供物品： 板
相關(guān)產(chǎn)品： AD7623ASTZ-ND - IC ADC 16BIT 1.33MSPS DFF 48LQFP
AD7623ACPZ-ND - IC ADC 16BIT 1.33MSPS 48LFCSP
AD7623ACPZRL-ND - IC ADC 16BIT 1.33MSPS 48LFCSP
AD7623ASTZRL-ND - IC ADC 16BIT 1.33MSPS DFF 48LQFP
AD7623
Rev. 0 | Page 26 of 28
MICROPROCESSOR INTERFACING
The AD7623 is ideally suited for traditional dc measurement
applications supporting a microprocessor, and ac signal
processing applications interfacing to a digital signal processor.
The AD7623 is designed to interface with a parallel 8-bit or
16-bit wide interface, or with a general-purpose serial port or
I/O ports on a microcontroller. A variety of external buffers can
be used with the AD7623 to prevent digital noise from coupling
into the ADC. The SPI Interface (ADSP-219x) section shows
the use of the AD7623 with an ADSP-219x SPI-equipped DSP.
SPI Interface (ADSP-219x)
Figure 42 shows an interface diagram between the AD7623 and
an SPI-equipped DSP, ADSP-219x. To accommodate the slower
speed of the DSP, the AD7623 acts as a slave device, and data
must be read after conversion. This mode also allows the daisy-
chain feature. The convert command could be initiated in
response to an internal timer interrupt.
The reading process can be initiated in response to the end-of-
conversion signal (BUSY going low) using an interrupt line of
the DSP. The serial peripheral interface (SPI) on the ADSP-219x
is configured for master mode (MSTR) = 1, clock polarity bit
(CPOL) = 0, clock phase bit (CPHA) = 1, and SPI interrupt
enable (TIMOD) = 00 by writing to the SPI control register
(SPICLTx).
It should be noted that to meet all timing requirements, the SPI
clock should be limited to 17 Mb/s allowing it to read an ADC
result in less than 1 μs. When a higher sampling rate is desired,
use one of the parallel interface modes.
05574-042
BUSY
CS
SDOUT
SCLK
CNVST
AD7623*
PFx
SPIxSEL (PFx)
MISOx
SCKx
PFx OR TFSx
ADSP-219x*
*ADDITIONAL PINS OMITTED FOR CLARITY
DVDD
SER/PAR
EXT/INT
RD
INVSCLK
Figure 42. Interfacing the AD7623 to SPI Interface
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參數(shù)描述
EVAL-AD7623EDZ 功能描述:BOARD EVAL FOR AD7623 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:* 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
EVAL-AD7625EDZ 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Eval Board 16-BIT 5MSPS ADC I.C RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
EVAL-AD7626EDZ 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Eval Board 16 Bit 10MSPS DIFF ADC RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
EVAL-AD7631CBZ 制造商:Analog Devices 功能描述:EVALUATION BOARD - Boxed Product (Development Kits)
EVAL-AD7631EDZ 功能描述:BOARD EVAL FOR AD7631 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:* 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
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