TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, +VA + VD = +5V, and VREF = internal +2.5V, fCLK = 8MHz, fSAMPLE = 500kHz, unless otherwise noted.
DIFFERENTIAL LINEARITY ERROR vs CODE
Typical of All Four Channels
INTEGRAL LINEARITY ERROR vs TEMPERATURE
Positive ILE
1
0.75
0.5
0.8
0.7
0.6
0.4
0.25
0
0.2
0
–0.25
–0.5
–0.75
–1
–0.2
–0.4
–0.6
–0.8
Negative ILE
800
000
7FF
–40
25
85
150
Hex BTC Code
Temperature (°C)
INTEGRAL LINEARITY ERROR MATCH
vs CODE CHANNEL A0/CHANNEL A1
(Same Converter, Different Channels)
DIFFERENTIAL LINEARITY ERROR
vs TEMPERATURE
0.8
0.6
0.25
0.2
Positive DLE
0.15
0.1
0.4
0.2
0.05
0
0
–0.05
–0.1
–0.15
–0.2
–0.25
–0.2
–0.4
–0.6
–0.8
Negative DLE
–40
25
85
150
800
000
7FF
Temperature (°C)
Hex BTC Code
INTEGRAL LINEARITY ERROR MATCH
vs TEMPERATURE
Channel A0/Channel B0
(Different Converter, Different Channels)
INTEGRAL LINEARITY ERROR MATCH
vs CODE CHANNEL A0/CHANNEL B1
(Different Converter, Different Channels)
0.25
0.2
0.47
0.46
0.45
0.44
0.43
0.42
0.41
0.40
0.39
0.38
0.15
0.1
0.05
0
–0.05
–0.1
–0.15
–0.2
–0.25
800
000
7FF
–40
25
85
150
Hex BTC Code
Temperature (°C)
®
ADS7861
7
BB [ BURR-BROWN CORPORATION ]
