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参数资料
| 型号： | LM12458CIVX |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC44 |
| 封装： | PLASTIC, LCC-44 |
| 文件页数： | 18/36页 |
| 文件大小： | 1195K |
| 代理商： | LM12458CIVX |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM12458CIVX/NOPB | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| LM12458CMEL/883 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Ended Data Acquisition System |
| LM12458MEL/883 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Ended Data Acquisition System |
| LM12458MW/883 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Ended Data Acquisition System |
| LM1246 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs |
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