ADS7861_16 Datasheet, PDF (7/32 Pages) Texas Instruments – Dual, 500kSPS, 12-Bit, 2 + 2 Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER

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.
DIFFERENTIAL LINEARITY ERROR vs CODE
1
Typical of All Four Channels
0.75
0.5
0.25
0
–0.25
–0.5
–0.75
–1
800
000
7FF
Hex BTC Code
DIFFERENTIAL LINEARITY ERROR
vs TEMPERATURE
0.8
Positive DLE
0.6
0.4
0.2
0
–0.2
Negative DLE
–0.4
–0.6
–0.8
–40
25
85
150
Temperature (°C)
INTEGRAL LINEARITY ERROR vs TEMPERATURE
0.8
0.7
Positive ILE
0.6
0.4
0.2
0
–0.2
–0.4
Negative ILE
–0.6
–0.8
–40
25
85
150
Temperature (°C)
INTEGRAL LINEARITY ERROR MATCH
vs CODE CHANNEL A0/CHANNEL A1
(Same Converter, Different Channels)
0.25
0.2
0.15
0.1
0.05
0
–0.05
–0.1
–0.15
–0.2
–0.25
800
000
7FF
Hex BTC Code
INTEGRAL LINEARITY ERROR MATCH
vs CODE CHANNEL A0/CHANNEL B1
(Different Converter, Different Channels)
0.25
0.2
0.15
0.1
0.05
0
–0.05
–0.1
–0.15
–0.2
–0.25
800
000
7FF
Hex BTC Code
INTEGRAL LINEARITY ERROR MATCH
vs TEMPERATURE
Channel A0/Channel B0
(Different Converter, Different Channels)
0.47
0.46
0.45
0.44
0.43
0.42
0.41
0.40
0.39
0.38
–40
25
85
150
Temperature (°C)
ADS7861
7
SBAS110D