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参数资料
型号： LMP90078MHX/NOPB
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： LEAD FREE, PLASTIC, MO-153, TSSOP-28
文件页数： 60/62页
文件大小： 1721K
代理商： LMP90078MHX/NOPB
10.0 Absolute Maximum Ratings (Note
1, Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Analog Supply Voltage, VA
-0.3V to 6.0V
Digital I/O Supply Voltage, VIO
-0.3V to 6.0V
Reference Voltage, VREF
-0.3V to VA+0.3V
Voltage on Any Analog Input Pin to
GND (Note 3)
-0.3V to VA+0.3V
Voltage on Any Digital Input PIN to
GND (Note 3)
-0.3V to VIO+0.3V
Voltage on SDO (Note 3)
-0.3V to VIO + 0.3V
Input Current at Any Pin (Note 3)
5mA
Output Current Source or Sink by SDO
3mA
Total Package Input and Output
Current
20mA
ESD Susceptibility
Human Body Model (HBM)
2500V
Machine Models (MM)
200V
Charged Device Model (CDM)
1250V
Junction Temperature (T
JMAX)
+150°C
Storage Temperature Range
–65°C to +150°C
For soldering specifications:
see product folder at www.national.com and
www.national.com/ms/MS/MS-SOLDERING.pdf
11.0 Operating Ratings
Analog Supply Voltage, VA
+2.85V to 5.5V
Digital I/O Supply Voltage, VIO
+2.7V to 5.5V
Full Scale Input Range, VIN
±VREF / PGA
Reference Voltage, VREF
+0.5V to VA
Temperature Range for Electrical
Characteristics
T
MIN = –40°C
T
MAX = +125°C
Operating Temperature Range
–40°C
≤ T
A ≤ +125°C
Junction to Ambient Thermal
Resistance (
θ
JA) (Note 4)
41°C/W
12.0 Electrical Characteristics
Unless otherwise noted, the key for the condition is (VA = VIO = VREF) / ODR (SPS) / buffer / calibration / gain . Boldface limits
apply for T
MIN ≤ TA ≤ TMAX; the typical values apply for TA = +25°C.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
n
Resolution
16
Bits
ENOB /
NFR
Effective Number
of Bits and Noise
Free Resolution
3V / all / ON / OFF / all. Shorted input.
Table 1
Bits
5V / all / ON / OFF / all. Shorted input.
Table 3
Bits
ODR
Output Data Rates
1.6675
Table 1
214.6
SPS
Gain
FGA × PGA
1
Table 1
128
INL
Integral Non-
Linearity
3V / 214.65 / ON / ON / 1
-1
± 0.5
+1
LSB
3V & 5V / 214.65 / ON / ON / 16
± 1
LSB
Total Noise
3V / all / ON / ON / all. Shorted input.
Table 2
V
5V / all / ON / OFF / all. Shorted input.
Table 4
V
OE
Offset Error
3V & 5V / all / ON or OFF / ON / all
Below Noise
Floor (rms)
V
3V / 214.65 / ON / ON / 1
1.22
9.52
V
3V / 214.65 / ON / ON / 128
0.00838
0.70
V
5V / 214.65 / ON / ON / 1
1.79
8.25
V
5V / 214.65 / ON / ON / 128
0.0112
0.63
V
Offset Drift Over
Temp (Note 5)
3V & 5V / 214.65 / ON or OFF / OFF /
1-8
100
nV/°C
3V & 5V / 214.65 / ON / ON / 1-8
3
nV/°C
3V & 5V / 214.65 / ON / OFF / 16
25
nV/°C
3V & 5V / 214.65 / ON / ON / 16
0.4
nV/°C
3V & 5V / 214.65 / ON / OFF / 128
6
nV/°C
3V & 5V / 214.65 / ON / ON / 128
0.125
nV/°C
Offset Drift over
Time (Note 5)
5V / 214.65 / ON / OFF / 1, T
A = 150°C
2360
nV /
1000 hours
5V / 214.65 / ON / ON / 1, T
A = 150°C
100
nV /
1000 hours
7
www.national.com
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LMP90079MHE/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
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