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PDF NAU7802 Data sheet ( Hoja de datos )
| Número de pieza | NAU7802 | |
| Descripción | 24-Bit Dual-Channel ADC | |
| Fabricantes | nuvoton | |
| Logotipo |  |
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NAU7802 24-bit ADC
NAU7802
24-Bit Dual-Channel ADC
For Bridge Sensors
Nuvoton Confidential
Date: January, 2012
Revision 1.7
-1-
Revision 1.7
1 page  
NAU7802 24-bit ADC
3 FEATURES
Supply power: 2.7V~5.5V
On-chip VDDA regulator for internal analog circuit or external load cell
Programmable VDDA: Off, 2.4V to 4.5V with eight options
Minimum 10mA output drive capability at 3.0V output voltage
Note: DVDD must be 0.3Vdc greater than desired VDDA output voltage
23 bits effective precision analog-to-digital converter
Simultaneous 50Hz and 60Hz rejection (reaching －90dB）
RMS Noise:
50nV in 10 SPS data output rate and PGA gain = 128
150nV in 80 SPS data output rate and PGA gain = 128
Programmable PGA gains from 1 to 128
Programmable ADC data output rates
External differential reference voltage range from 0.1V to 5V
System clock: External crystal oscillator or on-chip RC oscillator (4.9152Mhz)
On-chip calibration
On-chip power-on reset circuit
On-chip temperature sensor
Low Power Consumption and Programmable Power Management Options
< 1uA standby current
External 4.9152MHz Crystal oscillator
System clock:
Internal 4.9152MHz RC oscillator (power-on default system clock)
External 4.9152MHz Crystal oscillator
MCU control interface: 2-wire interface compatible with I2C protocol
Operating Temperature: -40~85C
Packages:
SOP-16 (150mil) / PDIP-16
4 APPLICATIONS
Weigh scales
Strain Gauge
Industrial process control
Liquid/gas flow control
Pressure sensors
Voltage monitors
Nuvoton Confidential
-5-
Revision 1.7
5 Page 
7.5.2 Noise Performance – NAU7802
NAU7802 24-bit ADC
7.5.3 ESD Performance – NAU7802
Zapping
Method
HBM
PD
4kV
PS
4kV
MM
400V
400V
ND
-4kV
-400V
NS
-4kV
-400V
Remark
Pass
Pass
Nuvoton Confidential
- 11 -
Revision 1.7
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet NAU7802.PDF ] | |
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