TYPICAL CHARACTERISTICS
(Cont.)
At T
A
= +25°C, +V
A
+ V
D
= +5V, and V
REF
= internal +2.5V, f
CLK
= 8MHz, f
SAMPLE
= 500kSPS, unless otherwise noted.
CHANGE IN NEGATIVE GAIN MATCH
vs TEMPERATURE
(Maximum Deviation for All Four Channels)
Change in Negative Gain Match (LSB)
CHANGE IN REFERENCE VOLTAGE
vs TEMPERATURE
2.51
0.2
0.18
0.14
0.12
0.1
0.08
0.06
0.04
0.02
0
–40
25
Temperature (°C)
85
150
Change in Reference (V)
0.16
2.505
2.5
2.495
2.49
2.485
–40
25
Temperature (°C)
85
150
CHANGE IN BIPOLAR ZERO
vs TEMPERATURE
0.75
0.5
0.25
0
–0.25
–0.5
–0.75
–40
Change in Bipolar Match (LSB)
CHANGE IN BPZ MATCH vs TEMPERATURE
1
Change in Bipolar Zero (LSB)
B Channel
0.75
0.5
A Channel
0.25
25
Temperature (°C)
85
150
0
–40
25
85
Temperature (°C)
150
CHANGE IN CMRR vs TEMPERATURE
86
85
Change in CMRR (dB)
1
0.75
0.5
ILE (LSB)
INTEGRAL LINEARITY ERROR vs CODE
Typical of All Four Channels
84
83
82
81
80
79
78
–40
–5
25
Temperature (°C)
55
85
0.25
0
–0.25
–0.5
–0.75
–1
800
000
Hex BTC Code
7FF
6
ADS7861
SBAS110D
TI [ TEXAS INSTRUMENTS ]
