MAX110 Datasheet, PDF (8/24 Pages) Maxim Integrated Products – Low-Cost, 2-Channel, ±14-Bit Serial ADCs

Low-Cost, 2-Channel, ±14-Bit Serial ADCs
____________________________Typical Operating Characteristics (continued)
(MAX111, V_DD = 5V, V_REF+ = 1.5V, V_REF- = 0V, differential input (V_IN+ = -V_IN-), f_XCLK = 1MHz, ÷ 2 mode (DV2 = 1),
81,920 clocks/conv, T_A = +25°C, unless otherwise noted.)
MAX111 RELATIVE ACCURACY
(-0.667V_REF < V_IN < 0.667V_REF)
0.10
MAX111 RELATIVE ACCURACY
(-V_REF < V_IN < V_REF)
0.10
0.05
0.05
0
-0.05
0
-0.05
-0.10
-2.0 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0
V_IN (V)
MAX111 RELATIVE ACCURACY vs.
OVERSAMPLING FREQUENCY (f_OSC)
0.14
V_DD = 4.75V
0.12 TA = +85°C
0.1
0.08
÷ 1 MODE
0.06
0.04 ^{÷2 MODE}
÷4 MODE
0.02
0
0
0.25
0.50
0.75
1.00
f_OSC (MHz)
-0.10
-2.0 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0
V_IN (V)
MAX111 RELATIVE ACCURACY
vs. TEMPERATURE
0.10
0.08
0.06
0.04
0.02
0
-50 -25 0 25 50 75 100
TEMPERATURE (°C)
MAX111 POWER DISSIPATION vs.
OVERSAMPLING FREQUENCY (f_OSC)
7
V_DD = 5.25V
6 V_IN = 0V
T_A = -40°C
5
÷ 4 MODE
4
3
÷ 1 MODE
2
÷ 2 MODE
1
0
0
0.25 0.50 0.75 1.00 1.25
f_OSC (MHz)
8 _______________________________________________________________________________________