參數(shù)資料
型號: DC1783A-G
廠商: Linear Technology
文件頁數(shù): 8/24頁
文件大?。?/td> 0K
描述: BOARD SAR ADC LTC2377-18
軟件下載: QuikEval II System
設計資源: DC1783A Design Files
DC1783A Schematic
標準包裝: 1
系列: QuikEval™
ADC 的數(shù)量: 1
位數(shù): 18
采樣率(每秒): 500k
數(shù)據(jù)接口: 串行,SPI?
輸入范圍: ±VREF
在以下條件下的電源(標準): 6.8mW @ 500kSPS
工作溫度: 0°C ~ 70°C
已用 IC / 零件: LTC2377-18
已供物品:
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LTC2377-18
16
237718f
TIMING DIAGRAMS
Normal Mode, Single Device
When CHAIN = 0, the LTC2377-18 operates in normal
mode. In normal mode, RDL/SDI enables or disables the
serial data output pin SDO. If RDL/SDI is high, SDO is in
high impedance. If RDL/SDI is low, SDO is driven.
Figure 13 shows a single LTC2377-18 operated in normal
mode with CHAIN and RDL/SDI tied to ground. With RDL/
SDI grounded, SDO is enabled and the MSB(D17) of the
new conversion data is available at the falling edge of
BUSY. This is the simplest way to operate the LTC2377-18.
CNV
LTC2377-18
BUSY
CONVERT
IRQ
DATA IN
DIGITAL HOST
CLK
SDO
SCK
237718 F13a
RDL/SDI
CHAIN
237718 F13
CONVERT
tACQ
tACQ = tCYC – tHOLD
POWER-DOWN
CNV
CHAIN = 0
BUSY
SCK
SDO
RDL/SDI = 0
tBUSYLH
tDSDOBUSYL
tSCK
tHSDO
tSCKH
tQUIET
tSCKL
tDSDO
tCONV
tCNVH
tHOLD
ACQUIRE
tCYC
tCNVL
D17
D16
D15
D1
D0
12
3
16
17
18
ACQUIRE
Figure 13. Using a Single LTC2377-18 in Normal Mode
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