
7
Maxim Integrated
24-Bit, Single-Channel, Ultra-Low-Power, Delta
Sigma ADC with 2-Wire Serial Interface
MAX11202
Typical Operating Characteristics (continued)
(VAVDD = 3.6V, VDVDD = 1.8V, VREFP - VREFN = AVDD; internal clock; TA = TMIN to TMAX, unless otherwise specified. Typical values
are at TA = +25NC.)
INTEGRAL NONLINEARITY vs. INPUT
VOLTAGE (MAX11202A/MAX11202B)
MAX11202
toc19
INPUT VOLTAGE (V)
INL
(ppmFSR)
2.0
1.5
0.5 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
VAVDD = 3.0V
VDVDD = 1.8V
VREF = 2.5V
VIN(CM) = 1.5V
TA = +25°C
TA = -45°C
TA = +85°C
MAX11202
toc20
TEMPERATURE (°C)
NORMALIZED
FULL-SCALE
ERROR
(ppmFSR)
FULL-SCALE ERROR vs. TEMPERATURE
(MAX11202A/MAX11202B)
75
55
15
35
-5
-25
-8
-6
-4
-2
0
2
4
6
8
10
-10
-45
VREF = 2.5V
+FS ERROR
-FS ERROR
PSRR vs. FREQUENCY
(MAX11202A)
MAX11202
toc21
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
10
-120
-100
-80
-60
-40
-20
0
-140
1
100k
VDVDD
VAVDD
CMRR vs. FREQUENCY
(MAX11202A/MAX11202B)
MAX11202
toc23
FREQUENCY (Hz)
CMRR
(dB)
10k
1k
100
10
-120
-100
-80
-60
-40
-20
0
-140
1
100k
MAX11202A
MAX11202B
PSRR vs. FREQUENCY
(MAX11202B)
MAX11202
toc22
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
10
-120
-100
-80
-60
-40
-20
0
-140
1
100k
VDVDD
VAVDD
NORMAL-MODE FREQUENCY RESPONSE
(MAX11202A)
MAX11202
toc24
FREQUENCY (Hz)
GAIN
(dB)
100
10
-120
-100
-80
-60
-40
-20
0
-140
11k
NORMAL-MODE FREQUENCY RESPONSE
(MAX11202B)
MAX11202
toc25
FREQUENCY (Hz)
GAIN
(dB)
100
10
-120
-100
-80
-60
-40
-20
0
-140
11k
NORMAL MODE REJECTION OF 50Hz TO 60Hz
(MAX11202B)
MAX11202
toc26
FREQUENCY (Hz)
GAIN
(dB)
65
60
55
50
45
-120
-100
-80
-60
-40
-20
0
-140
40
70