参数资料
型号: ADS1217IPFBR
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: 11/28页
文件大小: 458K
代理商: ADS1217IPFBR
ADS1217
SBAS260B
11
www.ti.com
TYPICAL CHARACTERISTICS
(Cont.)
AV
DD
= +5V, DV
DD
= +5V, f
OSC
= 2.4576MHz, PGA = 1, R
DAC
= 150k
, f
DATA
= 10Hz, and V
REF
= +2.5V, unless otherwise specified.
1.00020
1.00016
1.00012
1.00008
1.00004
1.00000
0.99996
0.99992
0.99988
0.99984
0.99980
0.99976
OFFSET DAC: GAIN vs TEMPERATURE
N
Temperature (
°
C)
50
30
10
10
30
50
70
90
1.0000
1.000
0.999
0.999
0.998
IDAC
I
OUT
vs V
OUT
V
DD
V
OUT
(V)
0
1
2
3
4
5
I
O
+85
°
C
40
°
C
+25
°
C
1.010
1.005
1.000
0.995
0.990
0.985
IDAC NORMALIZED I
OUT
vs TEMPERATURE
I
O
Temperature (
°
C)
50
30
10
10
30
50
70
90
3000
2000
1000
0
1000
2000
3000
4000
5000
6000
IDAC MATCHING vs TEMPERATURE
I
Temperature (
°
C)
50
30
10
10
30
50
70
90
0.5
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
IDAC DIFFERENTIAL NONLINEARITY
(Range = 1, R
DAC
= 150k
, V
REF
= 2.5V)
IDAC Code
0
255
32
64
96
128
160
192
224
D
0.5
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
IDAC INTEGRAL NONLINEARITY
(Range = 1, R
DAC
= 150k
, V
REF
= 2.5V)
IDAC Code
0
255
32
64
96
128
160
192
224
I
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