MAX1111CE Datasheet, PDF (6/20 Pages) Maxim Integrated Products – 2.7V, Low-Power, Multichannel, Serial 8-Bit ADCs

+2.7V, Low-Power, Multichannel,
Serial 8-Bit ADCs
__________________________________________Typical Operating Characteristics
(V_DD = 2.7V; f_SCLK = 500kHz; external clock (50% duty cycle); R_L = ∞; T_A = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
400
OUTPUT CODE = 10101010
350
300
250
C_LOAD = 60pF
200
SUPPLY CURRENT vs. TEMPERATURE
160
OUTPUT CODE = FULL SCALE
C_LOAD = 10pF
140
120
V_DD = 5.5V
100
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
5.0
SHDN = DGND
4.5
4.0
3.5
3.0
150
C_LOAD = 30pF
80
V_DD = 3.6V
2.5
100
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
60
-60 -20
20
60 100 140
TEMPERATURE (°C)
2.0
-60 -20
20
60
100 140
TEMPERATURE (°C)
OFFSET ERROR vs. SUPPLY VOLTAGE
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
INTEGRAL NONLINEARITY vs.
SUPPLY VOLTAGE
0.5
0.4
0.3
0.2
0.1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
DIFFERENTIAL NONLINEARITY
vs. CODE
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
0
64
128
192
256
DIGITAL CODE
OFFSET ERROR vs. TEMPERATURE
0.6
0.5
0.4
0.3
0.2
0.1
0
-60 -20 20
60 100 140
TEMPERATURE (°C)
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
0
INTEGRAL NONLINEARITY
vs. CODE
64
128
192
256
DIGITAL CODE
20
0
-20
-40
-60
-80
-100
0
FFT PLOT
f_{CH_} = 10.034kHz, 2V_P-P
f_SAMPLE = 50ksps
5
10
15
20
25
FREQUENCY (kHz)
6 _______________________________________________________________________________________