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参数资料
| 型号： | EVAL-AD5371EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 15/29页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD5371 |
| 产品培训模块： | DAC Architectures |
| 标准包装： | 1 |
| DAC 的数量： | 40 |
| 位数： | 14 |
| 采样率（每秒）： | 540k |
| 数据接口： | 串行 |
| 设置时间： | 20µs |
| DAC 型： | 电压 |
| 工作温度： | -40°C ~ 85°C |
| 已供物品： | 板，CD |
| 已用 IC / 零件： | AD5371 |
| 相关产品： | AD5371BSTZ-REEL-ND - IC DAC 14BIT 40CH SER 80-LQFP AD5371BBCZ-REELTR-ND - IC DAC 14BIT 40CH SER 100-CSPBGA |
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AD5371
Rev. B | Page 21 of 28
TOGGLE MODE
The AD5371 has two X2 registers per channel, X2A and X2B,
that can be used to switch the DAC output between two levels
with ease. This approach greatly reduces the overhead required
by a microprocessor, which would otherwise need to write to
each channel individually. When the user writes to the X1A,
X1B, M, or C register, the calculation engine takes a certain
amount of time to calculate the appropriate X2A or X2B value.
If an application, such as a data generator, requires that the
DAC output switch between two levels only, any method that
reduces the amount of calculation time necessary is advantageous.
For the data generator example, the user needs only to set the
high and low levels for each channel once by writing to the X1A
and X1B registers. The values of X2A and X2B are calculated and
stored in their respective registers. The calculation delay, therefore,
happens only during the setup phase, that is, when programming
the initial values. To toggle a DAC output between the two levels,
it is only required to write to the relevant A/B select register to
set the MUX2 register bit. Furthermore, because there are eight
MUX2 control bits per register, it is possible to update eight
channels with a single write. Table 10 shows the bits that corre-
spond to each DAC output.
Table 10. DACs Selected by A/B Select Registers
A/B Select
Register
F7
F6
F5
F4
F3
F2
F1
F0
0
VOUT7
VOUT6
VOUT5
VOUT4
VOUT3
VOUT2
VOUT1
VOUT0
1
VOUT15
VOUT14
VOUT13
VOUT12
VOUT11
VOUT10
VOUT9
VOUT8
2
VOUT23
VOUT22
VOUT21
VOUT20
VOUT19
VOUT18
VOUT17
VOUT16
3
VOUT31
VOUT30
VOUT29
VOUT28
VOUT27
VOUT26
VOUT25
VOUT24
4
VOUT39
VOUT38
VOUT37
VOUT36
VOUT35
VOUT34
VOUT33
VOUT32
1 If the bit is set to 0, Register X2A is selected. If the bit is set to 1, Register X2B is selected.
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相关代理商/技术参数 |
参数描述 |
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| EVAL-AD5372EBZ | 功能描述:BOARD EVAL FOR AD5372 RoHS:是 类别:编程器，开发系统 >> 评估板 - 数模转换器 (DAC) 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- DAC 的数量:4 位数:12 采样率（每秒）:- 数据接口:串行，SPI? 设置时间:3µs DAC 型:电流/电压 工作温度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| EVAL-AD5373EBZ | 功能描述:BOARD EVAL FOR AD5373 RoHS:是 类别:编程器，开发系统 >> 评估板 - 数模转换器 (DAC) 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- DAC 的数量:4 位数:12 采样率（每秒）:- 数据接口:串行，SPI? 设置时间:3µs DAC 型:电流/电压 工作温度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| EVAL-AD5379EB | 制造商:AD 制造商全称:Analog Devices 功能描述:40-Channel, 14-Bit, Parallel and Serial Input, Bipolar Voltage-Output DAC |
| EVAL-AD5379EBZ | 功能描述:BOARD EVALUATION FOR AD5379 RoHS:是 类别:编程器，开发系统 >> 评估板 - 数模转换器 (DAC) 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- DAC 的数量:4 位数:12 采样率（每秒）:- 数据接口:串行，SPI? 设置时间:3µs DAC 型:电流/电压 工作温度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| EVAL-AD5380EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
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