參數(shù)資料
型號: ADS1602IPFBTG4
英文描述: 16-Bit, 2.5MSPS Analog-to-Digital Converter
中文描述: 16位2.5MSPS模擬到數(shù)字轉(zhuǎn)換器
文件頁數(shù): 8/26頁
文件大?。?/td> 397K
代理商: ADS1602IPFBTG4
"#$%&
SBAS341B DECEMBER 2004 REVISED APRIL 2005
www.ti.com
8
TIMING DIAGRAMS
SYNC
FSO
CLK
t
SYPW
t
STL
Figure 1. Initialization Timing
TIMING REQUIREMENTS
For TA = 40
°
C to +85
°
C, DVDD = 2.7V to 3.6V, IOVDD = 2.7V to 5.25V.
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNIT
tSYPW
SYNC positive pulse width
2
16
CLK periods
tSTL
Settling time of ADS1602(1)
51
52
Conversions
816
832
CLK periods
NOTE:(1) An FSO pulse occuring prior to TSTL
816 CLK period should be ignored.
FSO
SCLK
CLK
DOUT
t
C
t
CPW
t
CPW
t
CF
t
FPW
Bit 0 (LSB)
Old Data
Bit 1
Bit 0 (LSB)
Bit 15 (MSB)
Bit 14
t
CS
t
DHD
t
DPD
New Data
Figure 2. Data Retrieval Timing
TIMING REQUIREMENTS
For TA = 40
°
C to +85
°
C, DVDD = 2.7V to 3.6V, IOVDD = 2.7V to 5.25V.
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNIT
tC
CLK period (1/fCLK)
25
ns
tCPW
CLK positive or negative pulse width
11.25
ns
tCF
Rising edge of CLK to rising edge of FSO
15
ns
tFPW
FSO positive pulse width
1
CLK period
tCS
Rising edge of CLK to rising edge of SCLK
15
ns
tDHD
SCLK rising edge to old DOUT invalid (hold time)
0
ns
tDPD
SCLK rising edge to new DOUT valid (propagation delay)
5
ns
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