t1 t3 t
參數(shù)資料
型號： EVAL-AD7654CBZ
廠商： Analog Devices Inc
文件頁數(shù)： 11/28頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD7654
標(biāo)準(zhǔn)包裝： 1
系列： PulSAR®
ADC 的數(shù)量： 2
位數(shù)： 16
采樣率（每秒）： 500k
數(shù)據(jù)接口： 串行，并聯(lián)
輸入范圍： 0 ~ 5 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 120mW @ 500kSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： AD7654
已供物品： 板
相關(guān)產(chǎn)品： AD7654ACPZ-ND - IC ADC 16BIT DUAL 2CH 48-LFCSP
AD7654ASTZRL-ND - IC ADC 16BIT DUAL 2CH 48LQFP
AD7654ACPZRL-ND - IC ADC 16BIT DUAL 2CH 48LFCSP
AD7654ASTZ-ND - IC ADC 16BIT 500KSPS DUAL 48LQFP
AD7654
Rev. B | Page 19 of 28
t1
t3
t4
t17
BUSY
DATA
BUS
t16
NEW A
OR B
PREVIOUS CHANNEL A
OR B
PREVIOUS CHANNEL B
OR NEW A
t10
CS = RD = 0
EOC
CNVST
03
05
7-
02
4
Figure 24. Master Parallel Data Timing for Continuous Read
Slave Parallel Interface
In slave parallel reading mode, the data can be read either after
each conversion, which is during the next acquisition phase or
during the other channel’s conversion, or during the following
conversion, as shown in Figure 25 and Figure 26, respectively.
When the data is read during the conversion, however, it is
recommended that it is read only during the first half of the
conversion phase. This avoids any potential feedthrough
between voltage transients on the digital interface and the most
critical analog conversion circuitry.
DATA BUS
t18
t19
BUSY
CURRENT
CONVERSION
CS
RD
03
05
7-
02
5
Figure 25. Slave Parallel Data Timing for a Read After Conversion
PREVIOUS
CONVERSION
t1
t3
t18
t19
t4
BUSY
DATA BUS
t13
t11
t12
t10
CS =0
EOC
CNVST, RD
03
05
7-
02
6
Figure 26. Slave Parallel Data Timing for a Read During Conversion
8-Bit Interface (Master or Slave)
The BYTESWAP pin allows a glueless interface to an 8-bit bus.
As shown in Figure 27, the LSB byte is output on D[7:0] and the
MSB is output on D[15:8] when BYTESWAP is low. When
BYTESWAP is high, the LSB and MSB bytes are swapped, the
LSB is output on D[15:8], and the MSB is output on D[7:0]. By
connecting BYTESWAP to an address line, the 16-bit data can
be read in two bytes on either D[15:8] or D[7:0].
BYTESWAP
PINS D[15:8]
PINS D[7:0]
HI-Z
HIGH BYTE
LOW BYTE
HIGH BYTE
HI-Z
t18
t19
CS
RD
03
05
7-
02
7
Figure 27. 8-Bit Parallel Interface
Channel A/B Output
The A/B input controls which channel’s conversion results
(INAx or INBx) are output on the data bus. The functionality
of A/B is detailed in Figure 28. When high, the data from
Channel A is available on the data bus. When low, the data from
Channel B is available on the bus. Note that Channel A can be
read immediately after conversion is done (EOC), while
Channel B is still in its converting phase. However, in any of the
serial reading modes, Channel A data is updated only after
Channel B is converted.
t18
t20
CS
DATA BUS
RD
HI-Z
A/B
HI-Z
CHANNEL A
CHANNEL B
03
05
7-
0
28
Figure 28. A/B Channel Reading
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EVAL-AD7655CB 制造商:Analog Devices 功能描述:Evaluation Board For The 48 Lead Pulsar Analog To Digital Converter Family 制造商:Rochester Electronics LLC 功能描述:EVAL BRD LOW COST 4-CH 1 MSPS 16-BIT ADC - Bulk
EVAL-AD7655CBZ 功能描述:BOARD EVALUATION FOR AD7655 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:PulSAR® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
EVAL-AD7655EDZ 功能描述:BOARD EVAL FOR AD7655 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(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
EVAL-AD7656-1CBZ 功能描述:BOARD EVAL FOR AD7656-1 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:iCMOS® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
EVAL-AD7656-1EDZ 功能描述:BOARD EVAL CONTROL AD7656-1 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:iCMOS® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(biāo)準(zhǔn)）:- 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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