TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25°C, +V
A
+ V
D
= +5V, and V
REF
= internal +2.5V, f
CLK
= 8MHz, f
SAMPLE
= 500kHz, unless otherwise noted.
DIFFERENTIAL LINEARITY ERROR vs CODE
1
Typical of All Four Channels
0.75
Change in ILE (LSB)
0.8
0.7
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
INTEGRAL LINEARITY ERROR vs TEMPERATURE
0.5
DLE (LSB)
Positive ILE
0.25
0
–0.25
–0.5
–0.75
–1
800
Negative ILE
000
Hex BTC Code
7FF
–0.8
–40
25
Temperature (°C)
85
150
DIFFERENTIAL LINEARITY ERROR
vs TEMPERATURE
0.8
Positive DLE
0.6
0.4
DLE Error (LSB)
INTEGRAL LINEARITY ERROR MATCH
vs CODE CHANNEL A0/CHANNEL A1
(Same Converter, Different Channels)
0.25
0.2
0.15
0.1
ILE (LSB)
0.2
0
–0.2
–0.4
–0.6
–0.8
–40
Negative DLE
0.05
0
–0.05
–0.1
–0.15
–0.2
25
Temperature (°C)
85
150
–0.25
800
000
Hex BTC Code
7FF
INTEGRAL LINEARITY ERROR MATCH
vs CODE CHANNEL A0/CHANNEL B1
(Different Converter, Different Channels)
0.25
0.2
0.15
0.1
INTEGRAL LINEARITY ERROR MATCH
vs TEMPERATURE
Channel A0/Channel B0
(Different Converter, Different Channels)
0.47
0.46
Change in INL Match (LSB)
0.45
0.44
0.43
0.42
0.41
0.40
0.39
ILE (LSB)
0.05
0
–0.05
–0.1
–0.15
–0.2
–0.25
800
000
Hex BTC Code
7FF
0.38
–40
25
Temperature (°C)
85
150
®
7
ADS7861
ETC [ ETC ]
