TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, +VA + VD = +5V, and VREF = internal +2.5V, fCLK = 8MHz, fSAMPLE = 500kHz, unless otherwise noted.
CHANGE IN NEGATIVE GAIN MATCH
CHANGE IN REFERENCE VOLTAGE
vs TEMPERATURE
vs TEMPERATURE
(Maximum Deviation for All Four Channels)
2.51
2.505
2.5
0.2
0.18
0.16
0.14
0.12
0.1
2.495
2.49
0.08
0.06
0.04
0.02
0
2.485
–40
25
85
150
150
7FF
–40
25
Temperature (°C)
85
150
150
85
Temperature (°C)
CHANGE IN BIPOLAR ZERO
vs TEMPERATURE
CHANGE IN BPZ MATCH vs TEMPERATURE
1
0.75
0.5
0.75
0.5
B Channel
0.25
0
–0.25
–0.5
–0.75
A Channel
0.25
0
–40
25
85
Temperature (°C)
–40
25
Temperature (°C)
85
INTEGRAL LINEARITY ERROR vs CODE
Typical of All Four Channels
CHANGE IN CMRR vs TEMPERATURE
1
86
85
84
83
82
81
80
79
78
0.75
0.5
0.25
0
–0.25
–0.5
–0.75
–1
800
000
–40
–5
25
55
Hex BTC Code
Temperature (°C)
®
ADS7861
6
BB [ BURR-BROWN CORPORATION ]
