参数资料
型号: DAC7631E
厂商: TEXAS INSTRUMENTS INC
元件分类: DAC
英文描述: SERIAL INPUT LOADING, 8 us SETTLING TIME, 16-BIT DAC, PDSO20
封装: GREEN, SSOP-20
文件页数: 9/22页
文件大小: 600K
代理商: DAC7631E
17
DAC7631
SYMBOL
DESCRIPTION
MIN
MAX
UNITS
tDS
Data Valid to CLK Rising
10
ns
tDH
Data Held Valid after CLK Rises
20
ns
tCH
CLK HIGH
25
ns
tCL
CLK LOW
25
ns
tCSS
CS LOW to CLK Rising
15
ns
tCSH
CLK HIGH to CS Rising
0
ns
tLD1
LOAD HIGH to CLK Rising
10
ns
tLD2
CLK Rising to LOAD LOW
30
ns
tLDRW
LOAD LOW Time
30
ns
tLDDL
LDAC LOW Time
100
ns
tLDDH
LDAC HIGH Time
150
ns
tSDO
SDO Propagation Delay
10
45
ns
tRSSS
RESETSEL Valid to RESET HIGH
0
ns
tRSSH
RESET HIGH to RESETSEL Not Valid
100
ns
tRSTL
RESET LOW Time
10
ns
tRSTH
RESET HIGH Time
10
ns
tLDDD
LOAD LOW to LDAC Rising Time
40
ns
tS
Settling Time
10
s
TABLE III. Timing Specifications (TA = –40°C to +85°C).
FIGURE 15. Digital Input and Output Timing.
D15
(LSB)
SDI
CLK
CS
LOAD
D14
D3
D2
D1
D0
SDI
CLK
LDAC
RESET
V
OUT
tcss
t
LD1
t
CL
t
SDO
t
CH
t
DS
t
DH
t
LD2
t
LDRW
t
S
t
RSTH
t
RSTL
t
RSSS
t
RSSH
SDO
t
CSH
t
S
±0.003%
ERROR BAND
±1LSB
ERROR BAND
RESETSEL
D11
D10
D9
D12
D13
(MSB)
t
LDDD
LDAC
t
LDDH
t
LDDL
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