Datasheet

www.ti.com
TYPICAL CHARACTERISTICS
22
21
20
19
18
17
16
15
14
13
12
DecimationRatio=f /f
MOD DATA
0 500 1000 1500 2000
PGA4
ENOB(rms)
PGA1
PGA2
PGA16
PGA8
PGA32
PGA64 PGA128
Sinc Filter
3
22
21
20
19
18
17
16
15
14
13
12
0 500 1000 1500 2000
ENOB(rms)
PGA4
PGA8
PGA1
PGA2
PGA16
PGA32
PGA64
PGA128
DecimationRatio=f /f
MOD DATA
Sinc Filter,BufferON
3
22
21
20
19
18
17
16
15
14
13
12
DecimationRatio
0 500 1000 1500 2000
ENOB(rms)
PGA4
PGA8
PGA1
PGA2
PGA16
PGA32
PGA64
PGA128
Sinc Filter,V
REF
=1.25,BUFFERON
3
22
21
20
19
18
17
16
15
14
13
12
0 500 1000 1500 2000
ENOB(rms)
PGA4
PGA8
PGA1
PGA2
PGA16
PGA32
PGA64
PGA128
DecimationRatio=f /f
MOD DATA
Sinc Filter,V
REF
=1.25V,BUFFEROFF
3
22
21
20
19
18
17
16
15
14
13
12
0 500 1000 1500 2000
ENOB(rms)
PGA4
PGA8
PGA1
PGA2
PGA32
PGA128
PGA16 PGA64
DecimationRatio=f /f
MOD DATA
Sinc Filter
2
22
21
20
19
18
17
16
15
14
13
12
0 500 1000 1500 2000
ENOB(rms)
DecimationRatio=f /f
MOD DATA
Fast-SettlingFilter
ADS1216
SBAS171D – NOVEMBER 2000 – REVISED SEPTEMBER 2006
At AV
DD
= +5V, DV
DD
= +5V, f
OSC
= 2.4576MHz, PGA = 1, R
DAC
= 150k Ω , f
DATA
= 10Hz, and V
REF
= +2.5V, unless otherwise specified.
EFFECTIVE NUMBER OF BITS EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO vs DECIMATION RATIO
Figure 1. Figure 2.
EFFECTIVE NUMBER OF BITS EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO vs DECIMATION RATIO
Figure 3. Figure 4.
EFFECTIVE NUMBER OF BITS FAST-SETTLING FILTER
vs DECIMATION RATIO EFFECTIVE NUMBER OF BITS vs DECIMATION RATIO
Figure 5. Figure 6.
11
Submit Documentation Feedback