TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, +VA = +VD = +5V, VREF = internal +2.5V and fCLK = 8MHz, fSAMPLE = 500kHz, unless otherwise noted.
INTEGRAL LINEARITY ERROR MATCH
vs TEMPERATURE
Channel A0/Channel C1
(Different Converter, Different Channels)
INTEGRAL LINEARITY ERROR vs TEMPERATURE
2.0
1.6
–0.02
–0.03
–0.04
–0.05
–0.06
–0.07
–0.08
1.2
0.8
Positive ILE
Negative ILE
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0
–40
–20
0
20
40
60
80
–40
–20
0
20
40
60
80
Temperature (°C)
Temperature (°C)
INTEGRAL LINEARITY ERROR MATCH vs CODE
Channel A0/Channel B0
DIFFERENTIAL LINEARITY ERROR
vs TEMPERATURE
(Same Converter, Different Channels)
1.0
0.8
0.8
0.6
Positive DLE
0.6
0.4
0.4
0.2
0.2
0
0
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
Negative DLE
–40
–20
0
20
40
60
80
800
000
7FF
Temperature (°C)
Hex BTC Code
INTEGRAL LINEARITY ERROR MATCH vs CODE
Channel A0/Channel B1
(Different Converter, Different Channels)
CHANNEL SEPARATION
1.0
0.75
0.5
–65
–70
–75
–80
–85
–90
–95
–100
0.25
0
–0.25
–0.5
–0.75
–1.0
800
000
7FF
1k
10k
100k
Hex BTC Code
f
IN (Hz)
®
7
ADS7864
BB [ BURR-BROWN CORPORATION ]
