TYPICAL PERFORMANCE CURVES
(Cont.)
At T
A
= +25°C, +V
A
= +V
D
= +5V, V
REF
= internal +2.5V and f
CLK
= 8MHz, f
SAMPLE
= 500kHz, unless otherwise noted.
NEGATIVE GAIN MATCH vs TEMPERATURE
(Maximum Deviation for All Six Channels)
REFERENCE VOLTAGE vs TEMPERATURE
2.510
Change in Negative Gain Match (LSB)
1.50
1.40
Reference (V)
–20
0
20
40
60
80
2.506
1.30
2.502
1.20
2.498
1.10
2.494
1.00
–40
2.490
–40
–20
0
20
40
60
80
Temperature (°C)
Temperature (°C)
BIPOLAR ZERO vs TEMPERATURE
1.2
1.30
BIPOLAR ZERO MATCH vs TEMPERATURE
Bipolar Match (LSB)
Bipolar Zero (LSB)
1.0
1.20
0.8
1.10
CH1
CH0
0.6
1.00
0.4
–40
–20
0
20
40
60
80
0.90
–40
–20
0
20
40
60
80
Temperature (°C)
Temperature (°C)
DIFFERENTIAL LINEARITY ERROR vs CODE
1
Typical of All Six Channels
0.75
0.5
1.5
1.0
2.0
INTEGRAL LINEARITY ERROR vs CODE
Typical of All Six Channels
DLE (LSB)
0
–0.25
–0.5
–0.75
–1
800
ILE (LSB)
000
Hex BTC Code
7FF
0.25
0.5
0
–0.5
–1.0
–1.5
–2.0
800
000
Hex BTC Code
7FF
®
ADS7864
6
BURR-BROWN [ BURR-BROWN CORPORATION ]
