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| 型号： | DC1571A-A |
| 厂商： | Linear Technology |
| 文件页数： | 9/24页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC2383-16 |
| 软件下载： | QuikEval II System |
| 设计资源： | DC1571A Design Files DC1571A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 1M |
| 数据接口： | 串行，SPI? |
| 输入范围： | ±2.5 V |
| 在以下条件下的电源（标准）： | 13mW @ 1MSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2383-16 |
| 已供物品： | 板 |
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LTC2383-16
17
238316f
TIMING DIAGRAM
Normal Mode, Multiple Devices
Figure 13 shows multiple LTC2383-16 devices operating
in Normal Mode(CHAIN = 0) sharing CNV, SCK and SDO.
By sharing CNV, SCK and SDO, the number of required
signals to operate multiple ADCs in parallel is reduced.
Since SDO is shared, the RDL/SDI input of each ADC must
be used to allow only one LTC2383-16 to drive SDO at a
time in order to avoid bus conflicts. As shown in Figure 13,
the RDL/SDI inputs idle high and are individually brought
low to read data out of each device between conversions.
When RDL/SDI is brought low, the MSB of the selected
device is output onto SDO. To ensure the MSB is properly
output and captured, SCK must be held low at least 1ns
before and 16ns after bringing RDL/SDI low.
238316 F13
RDL2
RDL1
CONVERT
IRQ
DATA IN
DIGITAL HOST
CLK
CNV
LTC2383-16
SDO
A
SCK
RDL/SDI
CNV
LTC2383-16
SDO
B
SCK
RDL/SDI
CHAIN
BUSY
CHAIN
238316 F13
D15A
SDO
SCK
CNV
BUSY
CHAIN = 0
RDL/SDIB
RDL/SDIA
D15B
D14B
D1B
D0B
D13B
D14A
D13A
D1A
D0A
Hi-Z
tEN
tHSDO
tDSDO
tDIS
tSCKL
tSCKH
tCNVL
12
3
14
15
16
17
18
19
30
31
32
tSCK
POWER-UP
CONVERT
POWER-DOWN
CONVERT
ACQUIRE
tHSCKRDL
tSSCKRDL
tCONV
tBUSYLH
Figure 13. Normal Mode With Multiple Devices Sharing CNV, SCK and SDO
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| DC1571A-B | 功能描述:BOARD SAR ADC LTC2382-16 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:QuikEval™ 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 |
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