參數(shù)資料
型號： LM12458CIVF/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 18/36頁
文件大小： 1195K
代理商： LM12458CIVF/NOPB
2.0
Internal
User-Programmable
Registers
(Continued)
A4
A3
A2
A1
Purpose
T
ype
D15
D14
D13
D12
D1
1
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
000
Instruction
RAM
(RAM
Pointer
=
00)
R/W
Acquisition
T
ime
W
atch-
dog
8/12
T
imer
Sync
V
IN
V
IN+
Pause
Loop
0t
o
111
000
Instruction
RAM
(RAM
Pointer
=
01)
R/W
Don’t
Care
>
/<
Sign
Limit
#1
0t
o
111
000
Instruction
RAM
(RAM
Pointer
=
10)
R/W
Don’t
Care
>
/<
Sign
Limit
#2
0t
o
111
1
0
Configuration
Register
R/W
Don’t
Care
DIAG
T
est
=0
RAM
Pointer
i/O
Sel
Auto
Zero
ec
Char
Mask
Stand-
by
Full
CAL
Auto-
Zero
Reset
Start
1
0
1
Interrupt
Enable
Register
R/W
Number
of
Conversions
in
Conversion
FIFO
to
Generate
INT2
Sequencer
Address
to
Generate
INT1
INT7
INT6
INT5
INT4
INT3
INT2
INT1
INT0
1
0
1
0
Interrupt
Status
Register
R
Actual
Number
of
Conversion
Results
in
Conversion
FIFO
Address
of
Sequencer
Instruction
being
Executed
INST7
INST6
INST5
INST4
INST3
INST2
INST1
INST0
1
0
1
T
imer
Register
R/W
T
imer
Preset
High
Byte
T
imer
Preset
Low
Byte
1
0
Conversion
FIFO
R
Address
or
Sign
Conversion
Data:
MSBs
Conversion
Data:
LSBs
1
0
1
Limit
Status
Register
R
Limit
#2:
Status
Limit
#1:
Status
Note
19:
LM12454
(Refer
to
).
Note
20:
LM12(H)458
only
.
Must
be
set
to
“0”
for
the
LM12454.
FIGURE
13.
LM12(H)454/8
Memory
Map
for
16-Bit
W
ide
Data
Bus
(BW
=
“0”,
T
est
Bit
=
“0”
and
A0
=
Don’t
Care)
LM12454/LM12458/LM12H458
www.national.com
25
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM12458CIVX 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
LM12458CIVX/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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
LM12458CMEL/883 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System
LM12458MEL/883 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System
LM12458MW/883 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System
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