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參數(shù)資料
| 型號： | ADS1217 |
| 英文描述： | 8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 8通道，24位模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/28頁 |
| 文件大?。?/td> | 458K |
| 代理商： | ADS1217 |
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ADS1217
SBAS260B
2
www.ti.com
ELECTRICAL CHARACTERISTICS: AV
DD
= 5V
All specifications at –40
°
C to +85
°
C, AV
DD
= +5V, DV
DD
= +2.7V to 5.25V, f
MOD
= 19.2kHz, PGA = 1, Buffer ON, R
DAC
= 150k
, f
DATA
= 10Hz, and V
REF
= +2.5V,
unless otherwise specified.
AV
DD
to AGND ...................................................................... –0.3V to +6V
DV
to DGND...................................................................... –0.3V to +6V
Input Current ............................................................... 100mA, Momentary
Input Current .................................................................10mA, Continuous
A
IN
................................................................... GND –0.5V to AV
+ 0.5V
AV
to DV
........................................................................... –6V to +6V
AGND to DGND ................................................................. –0.3V to +0.3V
Digital Input Voltage to GND....................................–0.3V to DV
DD
+ 0.3V
Digital Output Voltage to GND .................................–0.3V to DV
+ 0.3V
Maximum Junction Temperature ................................................... +150
°
C
Operating Temperature Range ......................................... –40
°
C to +85
°
C
Storage Temperature Range .......................................... –60
°
C to +150
°
C
Lead Temperature (soldering, 10s) .............................................. +300
°
C
NOTE: (1) Stresses above those listed under “Absolute Maximum Ratings” may
cause permanent damage to the device. Exposure to absolute maximum
conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS
(1)
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric
changes could cause the device not to meet its published
specifications.
SPECIFIED
TEMPERATURE
RANGE
PACKAGE
DESIGNATOR
PACKAGE
MARKING
ORDERING
NUMBER
TRANSPORT
MEDIA, QUANTITY
PRODUCT
PACKAGE-LEAD
ADS1217
TQFP-48
"
PFB
"
–40
°
C to +85
°
C
"
ADS1217
"
ADS1217IPFBT
ADS1217IPFBR
Tape and Reel, 250
Tape and Reel, 2000
"
NOTE: (1) For the most current package and ordering information, see the Package Option Addendum located at the end of this data sheet.
PACKAGE/ORDERING INFORMATION
(1)
ADS1217
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUT
(A
0
–
A
IN
7, A
INCOM
)
Full-Scale Input Voltage
Analog Input Voltage
(A
) – (A
IN–
)
Buffer OFF
Buffer ON
Buffer OFF
Buffer ON
±
2V
REF
/PGA
V
V
V
AGND – 0.1
AGND + 0.05
AV
DD
+ 0.1
AV
DD
– 1.5
Differential Input Impedance
Input Current
Bandwidth
Fast Settling Filter
Sinc
2
Filter
Sinc
3
Filter
Programmable Gain Amplifier
Burnout Current Sources
10/PGA
0.5
M
nA
–3dB
–3dB
–3dB
0.469f
DATA
0.318f
DATA
0.262f
DATA
Hz
Hz
Hz
User Selectable Gain Ranges
1
128
2
μ
A
OFFSET DAC
Offset DAC Range
Offset DAC Monotonicity
Offset DAC Gain Error
Offset DAC Gain Error Drift
±
V
REF
/(PGA)
V
8
Bits
%
ppm/
°
C
±
1
1
SYSTEM PERFORMANCE
Resolution
No Missing Codes
Integral Nonlinearity
24
Bits
Bits
Sinc
3
Filter
24
End Point Fit, Differential Input,
Buffer Off
Before Calibration
0.0003
0.0012
% of FSR
(1)
Offset Error
Offset Drift
Gain Error
Gain Error Drift
Common-Mode Rejection
7.5
0.02
0.005
0.5
ppm of FSR
ppm of FSR/
°
C
%
ppm/
°
C
dB
dB
dB
dB
dB
dB
Before Calibration
at DC
100
f
CM
= 60Hz, f
DATA
= 10Hz
f
CM
= 50Hz, f
DATA
= 50Hz
f
CM
= 60Hz, f
DATA
= 60Hz
f
SIG
= 50Hz, f
DATA
= 50Hz
f
SIG
= 60Hz, f
DATA
= 60Hz
130
120
120
100
100
Normal-Mode Rejection
Output Noise
Power-Supply Rejection
See Typical Characteristics
95
at DC, dB = –20log(
V
OUT
/
V
DD
)
(2)
80
dB
NOTES: (1) FSR is Full-Scale Range. (2)
V
OUT
is change in digital result. (3) 12pF switched capacitor at f
SAMP
clock frequency.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1217EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS1217 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| ADS1217IPFB | 制造商:Texas Instruments 功能描述:IC 24BIT ADC SMD 1217 TQFP48 制造商:Texas Instruments 功能描述:IC, 24BIT ADC, SMD, 1217, TQFP48 |
| ADS1217IPFB | 制造商:Texas Instruments 功能描述:IC 24BIT ADC SMD 1217 TQFP48 |
| ADS1217IPFBR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Ch 24-Bit ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1217IPFBRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Ch 24B ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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