Datasheet

_______________________________________________________________________________________ 7
MAX11201
24-Bit, Single-Channel, Ultra-Low-Power, Delta
Sigma ADC with 2-Wire Serial Interface
Typical Operating Characteristics (continued)
(V
AVDD
= 3.6V, V
DVDD
= 1.8V, V
REFP
- V
REFN
= AVDD; internal clock; T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical values
are at T
A =
+25NC.)
INL vs. INPUT VOLTAGE
MAX11201 toc19
INPUT VOLTAGE (V)
INL (ppmFSR)
2.01.50.5 1.0-1.5 -1.0 -0.5 0-2.0
-8
-6
-4
-2
0
2
4
6
8
10
-10
-2.5 2.5
V
IN(CM)
= 1.8V
T
A
= +25°C
T
A
= +85°C
T
A
= -45°C
TUE vs. INPUT VOLTAGE
MAX11201 toc20
INPUT VOLTAGE (V)
INL (ppmFSR)
2.01.50.5 1.0-1.5 -1.0 -0.5 0-2.0
-8
-6
-4
-2
0
2
4
6
8
10
-10
-2.5 2.5
V
IN(CM)
= 1.8V
T
A
= +25°C
T
A
= +85°C
T
A
= -45°C
MAX11201 toc21
TEMPERATURE (°C)
NORMALIZED FULL-SCALE ERROR (ppmFSR)
FULL-SCALE ERROR vs. TEMPERATURE
755515 35-5-25
-8
-6
-4
-2
0
2
4
6
8
10
-10
-45
V
REF
= 2.5V
+FS ERROR
-FS ERROR
PSRR vs. FREQUENCY
(MAX11201B)
MAX11201 toc23
FREQUENCY (Hz)
PSRR (dB)
10,000100010010
-120
-100
-80
-60
-40
-20
0
-140
1 100,000
DVDD
AVDD
PSRR vs. FREQUENCY
(MAX11201A)
MAX11201 toc22
FREQUENCY (Hz)
PSRR (dB)
10,000100010010
-120
-100
-80
-60
-40
-20
0
-140
1
100,000
DVDD
AVDD
CMRR vs. FREQUENCY
MAX11201 toc24
FREQUENCY (Hz)
CMRR (dB)
10,000100010010
-120
-100
-80
-60
-40
-20
0
-140
1 100,000
MAX11201A
MAX11201B
NORMAL-MODE REJECTION
DATA RATE 120.0SPS
MAX11201 toc25
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
0
200 400 600 800
1000 1200 1400 1600 1800 2000
FREQUENCY (Hz)
GAIN (dB)
MAX11201A
NORMAL-MODE REJECTION
DATA RATE 13.750SPS
MAX11201 toc26
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (Hz)
GAIN (dB)
MAX11201B