參數(shù)資料
型號: LTC1418AIG
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O
中文描述: 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PDSO28
封裝: 0.209 INCH, PLASTIC, SSOP-28
文件頁數(shù): 22/28頁
文件大?。?/td> 712K
代理商: LTC1418AIG
22
LTC1418
APPLICATIO
S I
N
FOR
ATIO
U
two zeros. The MSB (D13) will be valid on the first rising
and the first falling edge of the SCLK. D12 will be valid on
the second rising and the second falling edge as will all
the remaining bits. The data may be captured on either
edge. The largest hold time margin is achieved if data is
captured on the rising edge of SCLK.
BUSY gives the end of conversion indication. When the
LTC1418 is configured as a master serial device, BUSY
can be used as a framing pulse and to three-state the
W
U
Figure 22. Internal Conversion Clock Selected. Data Transferred During Conversion Using
the ADC Clock Output as a Master Shift Clock (SCLK Driven from CLKOUT)
t
15
t
14
SCLK
V
IL
V
OH
V
OL
D
OUT
1418 F21
Figure 21. SCLK to D
OUT
Delay
LTC1418
BUSY (= RD)
CLKOUT ( = SCLK)
D
OUT
BUSY
CONVST
CONVST
RD
SCLK
CLKOUT
D
OUT
EXT/INT
CS
26
24
23
17
18
19
20
25
1418 F22a
μ
P OR DSP
(CONFIGURED
AS SLAVE)
OR
SHIFT
REGISTER
D12
D11
D11
D12
CAPTURE ON
RISING CLOCK
D13
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
FILL
ZEROS
D13
1
t
5
t
6
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
D13
D13
D12
D11
Hi-Z
Hi-Z
DATA N
DATA (N – 1)
t
CONV
(SAMPLE N)
(SAMPLE N + 1)
D
OUT
CS = EXT/INT = 0
CLKOUT (= SCLK)
CONVST
t
13
t
8
SAMPLE
HOLD
HOLD
t
10
t
7
t
11
1418 F22b
BUSY (= RD)
t
15
t
14
CLKOUT
(= SCLK)
V
IL
V
OH
V
OL
D
OUT
CAPTURE ON
FALLING CLOCK
相關(guān)PDF資料
PDF描述
LTC1418ACN Quad, Low Voltage, LinCMOS(TM) Differential Comparator 14-SOIC
LTC1418AIN Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O
LTC1418C Quad, Low Voltage, LinCMOS(TM) Differential Comparator 14-PDIP
LTC1418CG Quad, Low Voltage, LinCMOS(TM) Differential Comparator 14-PDIP
LTC1418CN Quad, Low Voltage, LinCMOS(TM) Differential Comparator 14-TSSOP
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