Datasheet

ADS8345
SBAS177C
8
www.ti.com
Output Code
3
2
1
0
–1
–2
–3
INTEGRAL LINEARITY ERROR vs CODE
0000
H
4000
H
7FFF
H
8000
H
C000
H
ILE (LSB)
Output Code
3
2
1
0
–1
–2
–3
DIFFERENTIAL LINEARITY ERROR vs CODE
0000
H
4000
H
7FFF
H
8000
H
C000
H
DLE (LSB)
SUPPLY CURRENT vs TEMPERATURE
–50 –25 0 25 50 75 100
Temperature (°C)
Supply Current (mA)
1.3
1.2
1.1
1.0
0.9
CHANGE IN BPZ vs TEMPERATURE
–50 –25 0 25 50 75 100
Temperature (°C)
Delta from 25°C (LSBs)
1.0
0.5
0
–0.5
–1.0
EFFECTIVE NUMBER OF BITS
vs INPUT FREQUENCY
101 100
Frequency (kHz)
Effective Number of Bits
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
9.5
9.0
CHANGE IN SIGNAL-TO-(NOISE + DISTORTION)
vs TEMPERATURE
–50 –25 0 20 50 75 100
Temperature (°C)
Delta from +25°C (dB)
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
f
IN
= 4.956kHz, –0.2dB
TYPICAL CHARACTERISTICS: +2.7V (Cont.)
At T
A
= +25°C, +V
CC
= +2.7V, V
REF
= +1.25V, f
SAMPLE
= 100kHz, and f
DCLK
= 24 • f
SAMPLE
= 2.4MHz, unless otherwise noted.