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发表于 2009-12-12 09:45:05
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好牛的片子啊！口水……
8-Channel, 24-Bit Analog-to-Digital Converter (Rev. D) (PDF 971 KB)
07 Sep 2006
ADS1216
Resolution(Bits) 24
Sample Rate (max) 780SPS
Architecture Delta-Sigma
Power Consumption(Typ)(mW) 0.6
DNL(Max)(+/-LSB) 1
INL(Max)(+/-LSB) 0.0015%
No Missing Codes(Bits) 24
ENOB(Bits) 22
No. of Supplies 2
Analog Voltage AV/DD(Min)(V) 2.7
Analog Voltage AV/DD(Max)(V) 5.25
Logic Voltage DV/DD(Min)(V) 2.7
Logic Voltage DV/DD(Max)(V) 5.25
Input Configuration Range Vref/PGA (1-128)
Reference Mode Int
Rating Catalog
Pin/Package 48TQFP
# Input Channels 8
Samples
Inventory
Product Information
Features
24 BITS, NO MISSING CODES
0.0015% INL
22 BITS EFFECTIVE RESOLUTION (PGA = 1), 19 BITS (PGA = 128)
PGA FROM 1 TO 128
SINGLE-CYCLE SETTLING MODE
PROGRAMMABLE DATA OUTPUT RATES: up to 1kHz
ON-CHIP 1.25V/2.5V REFERENCE
EXTERNAL DIFFERENTIAL REFERENCE: 0.1V to 2.5V
ON-CHIP CALIBRATION
SPI™-COMPATIBLE
2.7V TO 5.25V
< 1mW POWER CONSUMPTION
APPLICATIONS
INDUSTRIAL PROCESS CONTROL
LIQUID/GAS CHROMATOGRAPHY
BLOOD ANALYSIS
SMART TRANSMITTERS
PORTABLE INSTRUMENTATION
WEIGHT SCALES
PRESSURE TRANSDUCERS
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