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参数资料
| 型号： | LM12H458CIVX |
| 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： | 34/36页 |
| 文件大小： | 1195K |
| 代理商： | LM12H458CIVX |
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DC Characteristics (Notes 6, 7, 8)
The following specifications apply to the LM12454, LM12458, and LM12H458 for V
A+=VD+ = 5V, VREF+ = 5V, VREF = 0V,
f
CLK = 8.0 MHz (LM12H454/8) or fCLK = 5.0 MHz (LM12458), and minimum acquisition time unless otherwise specified. Bold-
face limits apply for T
A =TJ =TMIN to TMAX; all other limits TA =TJ = 25C.
Symbol
Parameter
Conditions
Typical
Limits
Units
I
D+VD+ Supply Current
CS = “1”
LM12454/8
LM12H458
0.55
1.0
1.2
mA (max)
I
A+VA+ Supply Current
CS = “1”
LM12454/8
LM12H458
3.1
5.0
5.5
mA (max)
I
ST
Stand-By Supply Current (I
D+)+(IA+)
[Power-Down Mode Selected]
Clock Stopped
8 MHz Clock
10
40
A (max)
Multiplexer ON-Channel Leakage Current
V
A+ = 5.5V
ON-Channel = 5.5V,
OFF-Channel = 0V
0.1
0.3
A (max)
ON-Channel = 0V
OFF-Channel = 5.5V
0.1
0.3
A (max)
Multiplexer OFF-Channel Leakage Current
V
A+ = 5.5V
ON-Channel = 5.5V
OFF-Channel = 0V
0.1
0.3
A (max)
ON-Channel = 0V
OFF-Channel = 5.5V
0.1
0.3
A (max)
R
ON
Multiplexer ON-Resistance
LM12454
V
IN = 5V
800
1500
(max)
V
IN = 2.5V
850
1500
(max)
V
IN = 0V
760
1500
(max)
Multiplexer Channel-to-Channel
R
ON matching
LM12454
V
IN =5V
±1.0%
±3.0%
(max)
V
IN = 2.5V
±1.0%
±3.0%
(max)
V
IN =0V
±1.0%
±3.0%
(max)
Internal Reference Characteristics (Notes 6, 7)
The following specifications apply to the LM12454, LM12458, and LM12H458 for V
A+=VD+ = 5V unless otherwise specified.
Boldface limits apply for T
A =TJ =TMIN to TMAX; all other limits TA =TJ = 25C.
Symbol
Parameter
Conditions
Typical
Limits
Units
V
REFOUT
Internal Reference Output Voltage
2.5
2.5 ±4%
V (max)
V
REF/
T Internal Reference Temperature Coefficient
40
ppm/C
REF/
I
L
Internal Reference Load Regulation
Sourcing (0 < I
L
≤ +4 mA)
0.2
%/mA (max)
Sinking (1
≤ I
IL < 0 mA)
1.2
%/mA (max)
V
REF
Line Regulation
4.5V
≤ V
A+
≤ 5.5V
3
20
mV (max)
I
SC
Internal Reference Short Circuit Current
V
REFOUT =0V
13
25
mA (max)
V
REF/
t Long Term Stability
200
ppm/kHr
t
SU
Internal Reference Start-Up Time
V
A+=VD+=0V →
5V, C
L = 100 F
10
ms
LM12454/LM12458/LM12H458
www.national.com
7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM12H458CIVX/NOPB | 功能描述:IC ACQUISITION SYS 12BIT 44-PLCC RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| LM12H458CMEL/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 |
| LM12H458MEL/883 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:12-Bit Sign Data Acquisition System with Self-Calibration |
| LM12H458MW/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 |
| LM12L438CIV | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Sign Data Acquisition System with Serial I/O and Self-Calibration |
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