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参数资料
| 型号： | ADS1217IPFBT |
| 英文描述： | 8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 8通道，24位模拟数字转换器 |
| 文件页数： | 2/28页 |
| 文件大小： | 458K |
| 代理商： | ADS1217IPFBT |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADS1217IPFBT | 制造商:Texas Instruments 功能描述:A/D Converter (A-D) IC 制造商:Texas Instruments 功能描述:IC, ADC, 24BIT, 780SPS, TQFP-48 |
| ADS1217IPFBTG4 | 功能描述:模数转换器 - ADC 8-Ch 24-Bit 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 |
| ADS1218 | 制造商:BB 制造商全称:BB 功能描述:8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER with FLASH Memory |
| ADS1218EVM | 功能描述:数据转换 IC 开发工具 ADS1218 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| ADS1218Y | 制造商:TI 制造商全称:Texas Instruments 功能描述:8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER with FLASH Memory |
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