參數(shù)資料
型號: ADS8412IBPFBTG4
英文描述: 16-BIT, 2 MSPS, UNIPOLAR DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
中文描述: 16位,2 MSPS的,單極差動輸入,微采樣模數(shù)位并行接口和參考轉(zhuǎn)爐
文件頁數(shù): 5/26頁
文件大?。?/td> 736K
代理商: ADS8412IBPFBTG4
www.ti.com
TIMING CHARACTERISTICS
All specifications typical at –40
°
C to 85
°
C, +VA = +VBD = 5 V
(1)(2)(3)
ADS8412
SLAS384A–JUNE 2003–REVISED DECEMBER 2004
PARAMETER
MIN
340
100
TYP
MAX
400
UNIT
ns
ns
ns
ns
ns
ns
ns
ps
ns
ns
t
CONV
t
ACQ
t
pd1
t
pd2
t
w1
t
su1
t
w2
Conversion time
Acquisition time
CONVST low to BUSY high
Propagation delay time, end of conversion to BUSY low
Pulse duration, CONVST low
Setup time, CS low to CONVST low
Pulse duration, CONVST high
CONVST falling edge jitter
Pulse duration, BUSY signal low
Pulse duration, BUSY signal high
Hold time, first data bus data transition (RD low, or CS low for read
cycle, or BYTE input changes) after CONVST low
Delay time, CS low to RD low (or BUSY low to RD low)
Setup time, RD high to CS high
Pulse duration, RD low
Enable time, RD low (or CS low for read cycle) to data valid
Delay time, data hold from RD high
Delay time, BYTE rising edge or falling edge to data valid
Pulse duration, RD high
Pulse duration, CS high
Hold time, last RD (or CS for read cycle ) rising edge to CONVST
falling edge
Setup time, BYTE transition to RD falling edge
Hold time, BYTE transition to RD falling edge
Disable time, RD high (CS high for read cycle) to 3-stated data bus
Delay time, end of conversion to MSB data valid
Byte transition setup time, from BYTE transition to the next BYTE
transition
Delay time, CS rising edge to BUSY falling edge
Delay time, BUSY falling edge to CS rising edge
Setup time, from the falling edge of CONVST (used to start the valid
conversion) to the next falling edge of CONVST (when CS = 0 and
CONVST used to abort) or to the next falling edge of CS (when CS is
used to abort)
Setup time, falling edge of CONVST to read valid data (MSB) from
current conversion
Hold time, data (MSB) from previous conversion hold valid from falling
edge of CONVST
30
5
20
0
20
10
t
w3
t
w4
Min(t
ACQ
)
370
t
h1
40
ns
t
d1
t
su2
t
w5
t
en
t
d2
t
d3
t
w6
t
w7
0
0
ns
ns
ns
ns
ns
ns
ns
ns
50
20
0
2
20
20
20
t
h2
50
ns
t
su3
t
h3
t
dis
t
d5
0
0
ns
ns
ns
ns
20
10
t
su4
50
ns
t
d6
t
d7
50
50
ns
ns
t
su(AB)
60
340
ns
t
su5
MAX(t
CONV
) + MAX(t
d5
)
ns
t
h4
MIN(t
CONV
)
ns
(1)
(2)
(3)
All input signals are specified with t
r
= t
f
= 5 ns (10% to 90% of +VBD) and timed from a voltage level of (V
IL
+ V
IH
)/2.
See timing diagrams.
All timings are measured with 20 pF equivalent loads on all data bits and BUSY pins.
5
相關(guān)PDF資料
PDF描述
ADS8412IPFBR 16-BIT, 2 MSPS, UNIPOLAR DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
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