參數(shù)資料
型號(hào)： LM12L438CIWMX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PDSO28
封裝： SOP-28
文件頁數(shù)： 3/80頁
文件大?。?/td> 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)
232 8051 Interface Mode
Symbol
Parameter
Conditions
Typical
Limits
Units
(See
Figure Below)
(Note 10)
(Note 11)
(Limit)
t9
TXD (Serial Clock Period)
125 250
ns (min)
t10
CS Set-Up Time to First
25 40
ns (min)
Clock Transition
t11
Data in Valid Set-Up Time to
40
ns (min)
TXD Clock High
t12
Data in Valid Hold Time
40 90
ns (min)
from TXD Clock High
t13
Data Out Hold Time
70 120
ns (max)
from TXD Clock High
t14
CS Hold Time from Last TXD
High in a Read or Write Cycle
25 50
ns (min)
(Excluding Burst Read Cycle)
t15
CS Inactive to CS Active Again
3
CLK Cycle
(min)
t16
SCLK Idle Time between the
End of the Command Byte
3
CLK Cycle
Transfer and the Start of the
(min)
Data Transfer in Read Cycles
CLK is the main clock input to the device pin number 24 in PLCC package or pin number 2 in SO package
TLH11879 – 21
11
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM12L454CIV 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
LM12L458 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit + Sign Data Acquisition System with Self-Calibration
LM12L458_06 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit + Sign Data Acquisition System with Self-Calibration
LM12L458CIV 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
LM12L458CIV/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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