Datasheet

MAX1110/MAX1111
+2.7V, Low-Power, Multichannel,
Serial 8-Bit ADCs
6 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(V
DD
= 2.7V; f
SCLK
= 500kHz; external clock (50% duty cycle); R
L
= ∞; T
A
= +25°C, unless otherwise noted.)
400
100
2.5 6.0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
150
350
MAX1110-01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (μA)
3.0
3.5 4.0 4.5 5.0 5.5
300
250
200
OUTPUT CODE = 10101010
C
LOAD
= 60pF
C
LOAD
= 30pF
160
60
-60 140
SUPPLY CURRENT vs. TEMPERATURE
80
140
MAX1110-02
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
-20 20 60 100
120
100
OUTPUT CODE = FULL SCALE
C
LOAD
= 10pF
V
DD
= 5.5V
V
DD
= 3.6V
5.0
2.0
-60 140
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
2.5
4.5
MAX1110-03
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (μA)
-20 20 60 100
4.0
3.5
3.0
SHDN = DGND
0.8
0
2.5 6.0
OFFSET ERROR vs. SUPPLY VOLTAGE
0.1
0.7
0.6
MAX1110-04
SUPPLY VOLTAGE (V)
OFFSET ERROR (LSB)
3.0 3.5 4.0 4.5 5.0 5.5
0.5
0.4
0.3
0.2
0.5
0
2.5 6.0
INTEGRAL NONLINEARITY vs.
SUPPLY VOLTAGE
0.1
0.4
MAX1110-05
SUPPLY VOLTAGE (V)
INL (LSB)
3.0 3.5 4.0 4.5 5.0 5.5
0.3
0.2
0.3
-0.3
0256
DIFFERENTIAL NONLINEARITY
vs. CODE
-0.2
0.2
0.1
MAX1110-06
DIGITAL CODE
DNL (LSB)
64 128 192
0
-0.1
0.6
0
-60 140
OFFSET ERROR vs. TEMPERATURE
0.1
0.2
0.5
MAX1110-07
TEMPERATURE (°C)
OFFSET ERROR (LSB)
-20 20 60
100
0.4
0.3
0.20
-0.20
0 256
INTEGRAL NONLINEARITY
vs. CODE
-0.10
-0.15
0.15
0.10
0.05
MAX1110-08
DIGITAL CODE
INL (LSB)
64 128 192
0
-0.05
20
-100
025
FFT PLOT
-80
-20
0
MAX1110-09
FREQUENCY (kHz)
AMPLITUDE (dB)
5101520
-60
-40
f
CH_
= 10.034kHz, 2V
P-P
f
SAMPLE
= 50ksps