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| 型号： | EVAL-AD7655CBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/28页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD7655 |
| 标准包装： | 1 |
| 系列： | PulSAR® |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 1M |
| 数据接口： | 串行，并联 |
| 输入范围： | 0 ~ 2 V |
| 在以下条件下的电源（标准）： | 120mW @ 1MSPS |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7655 |
| 已供物品： | 板，CD |
| 相关产品： | AD7655ACPZRL-ND - IC ADC 16BIT 4CHAN 48LFCSP AD7655ASTZRL-ND - IC ADC 16BIT 4CHAN 48LQFP AD7655ACPZ-ND - IC ADC 16BIT 4CH 48-LFCSP AD7655ASTZ-ND - IC ADC 16BIT 1MSPS QUAD 48-LQFP |
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AD7655
Rev. B | Page 19 of 28
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
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
03536-024
Figure 24. Slave Parallel Data Timing for Reading (Read after Convert)
PREVIOUS
CONVERSION
t1
t3
t18
t19
t4
BUSY
DATA BUS
t13
t11
t12
t10
CS = 0
EOC
CNVST, RD
03536-025
Figure 25. Slave Parallel Data Timing for Reading (Read During Convert)
8-Bit Interface (Master or Slave)
The BYTESWAP pin allows a glueless interface to an 8-bit bus.
As shown in Figure 26, 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 2 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
03536-026
Figure 26. 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 function-ality
of A/B is detailed in Figure 27. 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 in parallel reading
mode, Channel A can be read immediately after the end of
conversion (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 conversion.
t18
t20
CS
DATA BUS
RD
HI-Z
A/B
HI-Z
CHANNEL A
CHANNEL B
03536-027
Figure 27. A/B Channel Reading
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| EVAL-AD7655EDZ | 功能描述:BOARD EVAL FOR AD7655 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:* 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7656-1CBZ | 功能描述:BOARD EVAL FOR AD7656-1 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:iCMOS® 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7656-1EDZ | 功能描述:BOARD EVAL CONTROL AD7656-1 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:iCMOS® 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7656-1SDZ | 功能描述:数据转换 IC 开发工具 Evaluation Control Board RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| EVAL-AD7656CB | 制造商:Analog Devices 功能描述: |
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