参数资料
型号: LM12L438CIWMX
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封装: SOP-28
文件页数: 4/80页
文件大小: 1552K
代理商: LM12L438CIWMX
20 Electrical Specifications (Continued)
23 DIGITAL SWITCHING CHARACTERISTICS
The following specifications apply to the LM12434 and LM12 L 438 for VAa
e
VDae 5V 33V
AGND e DGND e 0V CL (load capacitance) on output lines e 80 pF unless otherwise specified
Boldface limits apply for TA e TJ e TMIN to TMAX all other limits for TA e TJ e 25 C (Notes 6 7 and 9) (Continued)
233 TMS320 Interface Mode
Symbol
Parameter
Conditions
Typical
Limits
Units
(See
Figure Below)
(Note 10)
(Note 11)
(Limit)
t22
SCLK (Serial Clock) Period
125 167
ns (min)
t23
FSX Set-Up Time to SCLK High
30 50
ns (min)
t24
FSX Hold Time from SCLK High
10
ns (min)
t25
Data in (DX) Set-Up
0
ns (min)
Time to SCLK Low
t26
Data in DX Hold Time from
30 120
ns (min)
SCLK Low
t27
FSR High from SCLK High
80 100
ns (max)
t28
FSR Low from SCLK Low
120
ns (max)
t29
SCLK High to Data
90
ns (max)
Out (DR) Change
TLH11879 – 23
12
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