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DAC7631_09 Datasheet, PDF (17/22 Pages) Texas Instruments – Serial Input, 16-Bit, Voltage Output DIGITAL-TO-ANALOG CONVERTER
◁
SDI
CLK
CS
LOAD
(MSB)
D15 D14 D13 D12 D11 D10 D9
tcss
tLD1
(LSB)
D3 D2 D1 D0
tCSH
tLD2
tLDRW
tLDDD
SDI
tSDO
CLK
tDS
tDH
tCL
tCH
SDO
LDAC
VOUT
RESET
RESETSEL
tLDDL
tLDDH
tS
±0.003%
ERROR BAND
tRSTL
tRSSS
tS
tRSTH
tRSSH
±1LSB
ERROR BAND
LDAC
FIGURE 15. Digital Input and Output Timing.
SYMBOL
DESCRIPTION
MIN
tDS
Data Valid to CLK Rising
10
tDH
Data Held Valid after CLK Rises
20
tCH
CLK HIGH
25
tCL
CLK LOW
25
tCSS
CS LOW to CLK Rising
15
tCSH
CLK HIGH to CS Rising
0
tLD1
LOAD HIGH to CLK Rising
10
tLD2
CLK Rising to LOAD LOW
30
tLDRW
LOAD LOW Time
30
tLDDL
LDAC LOW Time
100
tLDDH
LDAC HIGH Time
150
tSDO
SDO Propagation Delay
10
tRSSS
RESETSEL Valid to RESET HIGH
0
tRSSH
RESET HIGH to RESETSEL Not Valid
100
tRSTL
RESET LOW Time
10
tRSTH
RESET HIGH Time
10
tLDDD
LOAD LOW to LDAC Rising Time
40
tS
Settling Time
TABLE III. Timing Specifications (TA = –40°C to +85°C).
17
MAX
45
10
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
®
DAC7631
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