參數(shù)資料
型號： TLV2553IPWR
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： GREEN, PLASTIC, TSSOP-20
文件頁數(shù)： 27/29頁
文件大?。?/td> 603K
代理商： TLV2553IPWR
TLV2553
SLAS354B – SEPTEMBER 2001 – REVISED SEPTEMBER 2002
7
www.ti.com
timing characteristics over recommended operating free-air temperature range, VREF+ = 5 V,
I/O CLOCK frequency = 15 MHz, VCC = 5 V, load = 25 pF (unless otherwise noted)
PARAMETER
MIN
TYP
MAX
UNIT
tw1
Pulse duration I/O CLOCK high or low
26.7
100000
ns
tsu1
Setup time DATA IN valid before I/O CLOCK rising edge (see Figure 26)
12
ns
th1
Hold time DATA IN valid after I/O CLOCK rising edge (see Figure 26)
0
ns
tsu2
Setup time CS low before first rising I/O CLOCK edge
(see Note 7 and Figure 27)
25
ns
th2
Hold time CS pulse duration high time (see Figure 27)
100
ns
th3
Hold time CS low after last I/O CLOCK falling edge (see Figure 27)
0
ns
th4
Hold time DATA OUT valid after I/O CLOCK falling edge (see Figure 28)
2
ns
th5
Hold time CS high after EOC rising edge when CS is toggled (see Figure 31)
0
ns
td1
Delay time CS falling edge to DATA OUT valid
Load = 25 pF
28
ns
td1
yg
g
(MSB or LSB) (see Figure 25)
Load = 10 pF
20
ns
td2
Delay time CS rising edge to DATA OUT high impedance (see Figure 25)
10
ns
td3
Delay time I/O CLOCK falling edge to next DATA OUT bit valid (see Figure 28)
2
20
ns
td4
Delay time Last I/O CLOCK falling edge to EOC falling edge
55
ns
td5
Delay time last I/O CLOCK falling edge to CS falling edge to abort conversion
1.5
s
tt1
Transition time I/O CLOCK (see Note 7 and Figure 28)
1
s
tt2
Transition time DATA OUT (see Figure 28)
5
ns
tt3
Transition time INT/EOC, CL at 7 pF (see Figure 30)
2.4
ns
tt4
Transition time DATA IN, CS
10
s
tcycle
Total cycle time (sample, conversion and delays) (see Note 7)
MAX(tconvert) +
I/O period
(8/12/16 CLKs)
s
Source impedance = 25
600
t
l
Channel acquisition time (sample), at 1 k
Source impedance = 100
650
ns
tsample
q(
),
See Figures 33–38 and Note 7
Source impedance = 500
700
ns
Source impedance = 1 k
1000
NOTE 7: I/O CLOCK period = 8X [1/(I/O CLOCK frequency)] or 12X [1/(I/O CLOCK frequency)] or 16X [1/(I/O CLOCK frequency)] depends on
I/O format selected.
相關(guān)PDF資料
PDF描述
TLV2553IDWRG4 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV2553IPWRG4 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV2553IDW 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV2553IPWG4 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV2553IPW 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
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